Waste water management
•Download as PPTX, PDF•
1 like•101 views
Wastewater treatment involves a 5-stage process to clean sewage and wastewater before it is released back into the environment. The physical process uses bar screens to remove large objects, grit chambers to remove heavier particles, and clarifiers to separate solids from liquids. The biological process uses aeration tanks to grow aerobic bacteria that break down organic matter. The chemical process uses disinfection with chlorine or ozone to kill pathogens before the treated wastewater is discharged. Proper disposal of fats, oils, chemicals, and solid waste is important to prevent clogs and protect the wastewater treatment process.
Report
Share
Report
Share
Recommended
waste water treatment
The document summarizes wastewater treatment processes. It discusses that wastewater undergoes preliminary, primary, secondary, and tertiary treatment stages to remove contaminants. This includes physical screening and grit removal, sedimentation to remove settleable solids, biological treatment using bacteria to break down organic matter, and disinfection before discharge. Sludge is also treated through anaerobic digestion, composting, and dewatering. The goal is to make wastewater suitable for release back into the environment while treating sludge for off-site use.
Waste water treatment
The document summarizes the primary, secondary, and tertiary treatment processes for water treatment. In primary treatment, bars screen out large debris while settling tanks allow sludge to sink and grease to be skimmed. Flocculation adds coagulants to remove small solids. Secondary treatment removes dissolved solids using activated sludge processes in aeration tanks or lagoon systems. Tertiary treatment like disinfection further purifies the water using agents like ozone, hydrogen peroxide, UV radiation, or chlorine to reduce microorganisms before environmental discharge.
Physical Water Treatment
The purpose of industrial water treatment is to remove impurities from the source water. There are a number of methods to achieve this including: biological processes, physical equipment, and chemical treatment. In this presentation we focus on the physical means of industrial water treatment.
Industrial waste water treatment
The document discusses important contaminants of concern in wastewater treatment including suspended solids, nutrients, priority pollutants, refractory organics, heavy metals, and dissolved inorganics. It then describes characteristics of industrial wastewater such as physical characteristics (total solids, odors, temperature, color, turbidity), chemical characteristics (organic and inorganic matter), and biological characteristics. Finally, it outlines common wastewater treatment methods including mechanical, physical, chemical, physio-chemical, biological, and auxiliary operations like disinfection.
WASTE WATER TREATMENT
The document discusses waste water treatment. It defines sewage and its classes. Sewage contains domestic and industrial waste waters. Treatment is necessary to prevent hazards and pollution. Methods include single dwelling unit treatment with septic tanks and municipal treatment processes. The municipal process involves primary treatment to remove solids, secondary treatment using biological methods like activated sludge to reduce organic compounds, and sludge processing. Activated sludge treatment uses aeration of sewage to form flocs to oxidize organic matter. The sludge is further treated through anaerobic digestion or composting.
Sewage Treatment and Recycle Presentation
Sewage is wastewater from homes containing kitchen, laundry, and bathroom waste. It is composed of solids, oils, chemicals from detergents, colors, and pathogens. Sewage treatment involves primary, secondary, and sometimes tertiary processes to remove impurities through separation, aeration, and microbiological processes. This produces cleaner effluent that can safely return to streams while sludge byproducts are disposed of or reused. Treating sewage is important to reduce water pollution, comply with regulations, and allow for potential water recycling for non-potable uses. The document promotes sewage treatment and recycling systems to purify wastewater in a sustainable manner.
Treatment of waste water
The document discusses the treatment of waste water. It begins by defining waste water and its sources, such as sewage. It then describes the various processes involved in treating waste water, including physical, chemical and biological processes to remove contaminants. Some key steps in waste water treatment discussed are screening, sedimentation, filtration and disinfection. The document also lists various waste water treatment technologies such as activated sludge systems and advanced oxidation processes.
Seminar Dairy Industrial waste water treatment
The document discusses current industrial wastewater treatment processes in the dairy industry. It begins with an overview of dairy operations and the types of wastes generated. It then describes various treatment steps including pretreatment, primary treatment using screens and settling tanks, and secondary biological treatment using activated sludge or oxidation ponds. Tertiary treatment may include coagulation, filtration and disinfection. The document also discusses some modifications to treatment processes like using membranes or organo-zeolites and issues around dairy wastewater treatment.
Recommended
waste water treatment
The document summarizes wastewater treatment processes. It discusses that wastewater undergoes preliminary, primary, secondary, and tertiary treatment stages to remove contaminants. This includes physical screening and grit removal, sedimentation to remove settleable solids, biological treatment using bacteria to break down organic matter, and disinfection before discharge. Sludge is also treated through anaerobic digestion, composting, and dewatering. The goal is to make wastewater suitable for release back into the environment while treating sludge for off-site use.
Waste water treatment
The document summarizes the primary, secondary, and tertiary treatment processes for water treatment. In primary treatment, bars screen out large debris while settling tanks allow sludge to sink and grease to be skimmed. Flocculation adds coagulants to remove small solids. Secondary treatment removes dissolved solids using activated sludge processes in aeration tanks or lagoon systems. Tertiary treatment like disinfection further purifies the water using agents like ozone, hydrogen peroxide, UV radiation, or chlorine to reduce microorganisms before environmental discharge.
Physical Water Treatment
The purpose of industrial water treatment is to remove impurities from the source water. There are a number of methods to achieve this including: biological processes, physical equipment, and chemical treatment. In this presentation we focus on the physical means of industrial water treatment.
Industrial waste water treatment
The document discusses important contaminants of concern in wastewater treatment including suspended solids, nutrients, priority pollutants, refractory organics, heavy metals, and dissolved inorganics. It then describes characteristics of industrial wastewater such as physical characteristics (total solids, odors, temperature, color, turbidity), chemical characteristics (organic and inorganic matter), and biological characteristics. Finally, it outlines common wastewater treatment methods including mechanical, physical, chemical, physio-chemical, biological, and auxiliary operations like disinfection.
WASTE WATER TREATMENT
The document discusses waste water treatment. It defines sewage and its classes. Sewage contains domestic and industrial waste waters. Treatment is necessary to prevent hazards and pollution. Methods include single dwelling unit treatment with septic tanks and municipal treatment processes. The municipal process involves primary treatment to remove solids, secondary treatment using biological methods like activated sludge to reduce organic compounds, and sludge processing. Activated sludge treatment uses aeration of sewage to form flocs to oxidize organic matter. The sludge is further treated through anaerobic digestion or composting.
Sewage Treatment and Recycle Presentation
Sewage is wastewater from homes containing kitchen, laundry, and bathroom waste. It is composed of solids, oils, chemicals from detergents, colors, and pathogens. Sewage treatment involves primary, secondary, and sometimes tertiary processes to remove impurities through separation, aeration, and microbiological processes. This produces cleaner effluent that can safely return to streams while sludge byproducts are disposed of or reused. Treating sewage is important to reduce water pollution, comply with regulations, and allow for potential water recycling for non-potable uses. The document promotes sewage treatment and recycling systems to purify wastewater in a sustainable manner.
Treatment of waste water
The document discusses the treatment of waste water. It begins by defining waste water and its sources, such as sewage. It then describes the various processes involved in treating waste water, including physical, chemical and biological processes to remove contaminants. Some key steps in waste water treatment discussed are screening, sedimentation, filtration and disinfection. The document also lists various waste water treatment technologies such as activated sludge systems and advanced oxidation processes.
Seminar Dairy Industrial waste water treatment
The document discusses current industrial wastewater treatment processes in the dairy industry. It begins with an overview of dairy operations and the types of wastes generated. It then describes various treatment steps including pretreatment, primary treatment using screens and settling tanks, and secondary biological treatment using activated sludge or oxidation ponds. Tertiary treatment may include coagulation, filtration and disinfection. The document also discusses some modifications to treatment processes like using membranes or organo-zeolites and issues around dairy wastewater treatment.
Regulation on discharge of industrial effluent and domestic waste in river an...
This document discusses regulations on the discharge of industrial and domestic waste into rivers and reservoirs. It describes how waste contains organic and inorganic chemicals from industries and pathogens from domestic sources that pollute waterways. The document outlines the multi-stage water treatment process used to remove impurities from sewage water, including primary treatment to remove solids, secondary treatment using biological and aerobic/anaerobic methods to reduce nutrients, and tertiary treatment including disinfection. It emphasizes the importance of proper sewage treatment and regulation to prevent water pollution.
Primary waste water treatment powerpointb presntation
This ppt basically depends on primary waste water treatment. It gives brief description about what is water treatment,sources of waste water,types of waste water basically mostly focus on primary treatment like screening,types of screening,description on every type of screens, grit removal,communator,primary sedimentation.
waste water treatment
The document discusses the three stages of water treatment: primary, secondary, and tertiary. It describes the various treatment types - physical, chemical, and biological. Primary treatment involves screening, sedimentation, coagulation, flotation, precipitation, and filtration using physical and chemical processes. Secondary treatment uses biological processes like aerobic and anaerobic treatment. Tertiary treatment removes disease-causing organisms through chlorination, UV light radiation, or ozonation.
sewage waste water treatment
This document discusses wastewater and its treatment. It defines wastewater as used water from domestic, industrial, commercial or agricultural activities. It describes the types of pollutants found in wastewater, including chemical, physical and biological pollutants. The document then discusses the objectives and various stages of wastewater treatment processes, including primary treatment techniques like screening and sedimentation, as well as secondary treatment processes like activated sludge, trickling filters and aerated lagoons. Finally, it notes that wastewater treatment aims to reduce pollutants and allow water to be safely discharged or reused.
Wastewater treatment
Wastewater treatment involves removing contaminants from wastewater through primary, secondary, and sometimes tertiary treatment stages. Primary treatment separates solids from wastewater through processes like screening, settling, and flotation. Secondary treatment uses bacteria and oxygen to break down dissolved organic matter. Tertiary treatment may further purify the water through processes like chemical disinfection, filtration, or nutrient removal before discharge or reuse. Effective wastewater treatment is important for protecting water quality and public health.
Efflunt treatment plant ppt
The document discusses effluent treatment plants. It describes effluent as liquid waste flowing from various sources and outlines the key stages of industrial wastewater treatment and sewage treatment. These include pre-treatment, screening, grit removal, primary treatment using sedimentation, secondary treatment using biological processes, and sometimes tertiary treatment for advanced cleaning. Sludge produced is also treated and disposed of safely.
West water treatment
The document summarizes Mohammed Inzamamuddin's seminar presentation on wastewater treatment. It discusses what wastewater is, the need for wastewater treatment, common pollutants found in wastewater, and basic wastewater treatment processes. The presentation covers primary and secondary treatment methods as well as land treatment of wastewater. It emphasizes that wastewater treatment is necessary to allow safe reuse of water resources and prevent water pollution. The document provides an overview of wastewater treatment concepts and technologies.
Waste water management
This document discusses wastewater management and treatment. It describes the composition of wastewater from buildings as including human waste, cleaning solutions, oils and grease. If not treated properly, wastewater can pollute water sources and soil, and pose health hazards. The document then outlines various wastewater treatment methods like reuse, recycling, and water treatment facilities to purify wastewater before discharge or reuse.
Water pollution (5)
This document discusses various types and sources of water pollution. It identifies major pollutants like infectious agents, oxygen-demanding waste, and inorganic chemicals that come from sources such as sewage, industry, and agriculture. These pollutants can contaminate both surface water and groundwater, and have negative effects on ecosystems and human health. The document also examines solutions for preventing and treating water pollution through various regulatory, technological, and natural approaches.
Study of waste water, discharged from tannery (3)
The document discusses the process of tannery industry and waste generation points. It describes the various stages of hide/skin preparation including soaking, liming, unhairing, splitting, and deliming. The tanning and crusting stages chemically treat the hide to make it stable and flexible. Surface coatings may be applied for finishing. Maximum waste is generated during soaking, unhairing, fleshing, splitting, trimming, bleaching, and bating. The waste water characteristics are provided and treatment schemes discussed including activated sludge and trickling filters. New innovative technologies can more effectively and efficiently treat tannery effluent with lower costs.
Etp food industry
An ETP (Effluent Treatment Plant) treats industrial wastewater for reuse or safe disposal. It takes in influent (untreated wastewater), separates it into effluent (treated wastewater) and sludge. ETPs are essential for food industries as their wastewater contains high levels of contaminants like BOD, COD, and nutrients. Major treatment methods include physical, chemical, and biological processes. The objective is to produce effluent that meets discharge limits to protect water resources and public health.
Modern Sewage Treatment Plant from Indus
Ultra modern Sewage Treatment Plants from Indus Ecowater. Sewage Treatment Plants built to re-use treated sewage. Compact with small foot print- smallest civil works
Treatment of waste from pulp industry
The document summarizes treatment methods for waste from the pulp and paper industry. It describes the various sources and characteristics of effluents from pulp and paper production. It then outlines the typical treatment scheme, including screening to remove solids, sedimentation to settle out particles, biological treatment using aerobic and anaerobic microorganisms, and tertiary treatments like ozonation or membrane filtration to remove additional contaminants. The goal is to reduce COD, BOD, color, and other pollutants before releasing the treated water.
Waste water treatment
Wastewater treatment involves several stages to manage water discharged from homes and industries. It includes preliminary treatment to remove large objects, primary treatment using sedimentation to remove solids, secondary treatment using bacteria to remove organic waste, and tertiary treatment using methods like UV light or ozonation to further disinfect water before discharge or reuse. The goal is to reduce threats to water sources by eliminating smells, removing solid content, and destroying disease-causing microorganisms.
Sewage treatment plant & Wastewater treatment plant. Lucknow sewage treatment...
Process, characteristics, Composition and decomposition of sewage treatment plant. Case study of bharwara sewage treatment plant, lucknow. Asia's largest wastewater treatment plant.
Treatment of water for drinking purpose
This document discusses the treatment of water for drinking purposes. It outlines the microorganisms commonly found in domestic water supplies and describes the multi-step water treatment process. The primary treatment involves coagulation, flocculation and sedimentation to remove solids. Secondary treatment uses filtration to remove remaining particles. Tertiary treatment employs disinfection methods like chlorination and ozonation to kill microbes. The overall process aims to produce potable water that is safe for human consumption.
Wastewater
The document discusses wastewater treatment systems. It begins with an overview of the principles of wastewater treatment for industrial and domestic sewage. It then describes various treatment methods including primary treatment involving screening and grit removal. Secondary treatment uses biological processes like activated sludge and trickling filters. Tertiary treatment provides advanced levels of treatment before water is disposed. The document provides details on specific unit operations and process design considerations.
Abhijith J
The document discusses wastewater and sewage treatment. It describes the various stages of treatment - primary, secondary, and tertiary. Primary treatment involves physical processes like screening and sedimentation to remove solids. Secondary treatment uses biological processes via microorganisms to break down organic matter. Tertiary treatment provides additional removal of nutrients and disinfection before water is released. The goal of treatment is to remove impurities and improve water quality before it is returned to the environment.
WATER & WASTEWATER TREATMENT
This document provides information on various stages of municipal wastewater treatment processes. It discusses preliminary treatment including bar racks and grit chambers. Primary treatment includes primary sedimentation to remove settleable solids. Secondary treatment processes like activated sludge and trickling filters are used to further remove suspended solids and nutrients. Final treatment includes disinfection using chlorine or UV to inactivate pathogens before discharge or reuse of treated effluent. The overall goal of wastewater treatment is to reduce BOD, suspended solids and fecal coliforms to levels safe for discharge.
Waste water treatment
Wastewater treatment involves several stages to manage water discharged from homes, businesses, and industries. These stages include pre-treatment, preliminary treatment, primary treatment, secondary treatment, and sludge disposal. The goal is to reduce water pollution by decreasing levels of suspended solids and biochemical oxygen demand through physical and biological processes before water is discharged or sludge is disposed of through land application.
Microorganism
microorganism friends and foe for grade 8 science. fungi, bacteria, virus, protozoa, algae. How to preserve food from microorganism. canning, pasteurization, pickling, preservatives etc. preservatives. a presentation cbse and English medium.
Conservation of plants and animals
This document provides an overview of a class on conservation of plants and animals. It discusses topics like deforestation, its causes such as agricultural activities and logging, and its consequences including soil degradation and changes to climatic conditions. It also discusses reforestation and why it is needed to combat the huge areas of forests being damaged daily by deforestation. Reforestation can help improve quality of life by absorbing pollution, rebuilding habitats, and storing carbon to limit climate change. References used for the class include Wikipedia, Google Images, Arkive, and science texts.
More Related Content
What's hot
Regulation on discharge of industrial effluent and domestic waste in river an...
This document discusses regulations on the discharge of industrial and domestic waste into rivers and reservoirs. It describes how waste contains organic and inorganic chemicals from industries and pathogens from domestic sources that pollute waterways. The document outlines the multi-stage water treatment process used to remove impurities from sewage water, including primary treatment to remove solids, secondary treatment using biological and aerobic/anaerobic methods to reduce nutrients, and tertiary treatment including disinfection. It emphasizes the importance of proper sewage treatment and regulation to prevent water pollution.
Primary waste water treatment powerpointb presntation
This ppt basically depends on primary waste water treatment. It gives brief description about what is water treatment,sources of waste water,types of waste water basically mostly focus on primary treatment like screening,types of screening,description on every type of screens, grit removal,communator,primary sedimentation.
waste water treatment
The document discusses the three stages of water treatment: primary, secondary, and tertiary. It describes the various treatment types - physical, chemical, and biological. Primary treatment involves screening, sedimentation, coagulation, flotation, precipitation, and filtration using physical and chemical processes. Secondary treatment uses biological processes like aerobic and anaerobic treatment. Tertiary treatment removes disease-causing organisms through chlorination, UV light radiation, or ozonation.
sewage waste water treatment
This document discusses wastewater and its treatment. It defines wastewater as used water from domestic, industrial, commercial or agricultural activities. It describes the types of pollutants found in wastewater, including chemical, physical and biological pollutants. The document then discusses the objectives and various stages of wastewater treatment processes, including primary treatment techniques like screening and sedimentation, as well as secondary treatment processes like activated sludge, trickling filters and aerated lagoons. Finally, it notes that wastewater treatment aims to reduce pollutants and allow water to be safely discharged or reused.
Wastewater treatment
Wastewater treatment involves removing contaminants from wastewater through primary, secondary, and sometimes tertiary treatment stages. Primary treatment separates solids from wastewater through processes like screening, settling, and flotation. Secondary treatment uses bacteria and oxygen to break down dissolved organic matter. Tertiary treatment may further purify the water through processes like chemical disinfection, filtration, or nutrient removal before discharge or reuse. Effective wastewater treatment is important for protecting water quality and public health.
Efflunt treatment plant ppt
The document discusses effluent treatment plants. It describes effluent as liquid waste flowing from various sources and outlines the key stages of industrial wastewater treatment and sewage treatment. These include pre-treatment, screening, grit removal, primary treatment using sedimentation, secondary treatment using biological processes, and sometimes tertiary treatment for advanced cleaning. Sludge produced is also treated and disposed of safely.
West water treatment
The document summarizes Mohammed Inzamamuddin's seminar presentation on wastewater treatment. It discusses what wastewater is, the need for wastewater treatment, common pollutants found in wastewater, and basic wastewater treatment processes. The presentation covers primary and secondary treatment methods as well as land treatment of wastewater. It emphasizes that wastewater treatment is necessary to allow safe reuse of water resources and prevent water pollution. The document provides an overview of wastewater treatment concepts and technologies.
Waste water management
This document discusses wastewater management and treatment. It describes the composition of wastewater from buildings as including human waste, cleaning solutions, oils and grease. If not treated properly, wastewater can pollute water sources and soil, and pose health hazards. The document then outlines various wastewater treatment methods like reuse, recycling, and water treatment facilities to purify wastewater before discharge or reuse.
Water pollution (5)
This document discusses various types and sources of water pollution. It identifies major pollutants like infectious agents, oxygen-demanding waste, and inorganic chemicals that come from sources such as sewage, industry, and agriculture. These pollutants can contaminate both surface water and groundwater, and have negative effects on ecosystems and human health. The document also examines solutions for preventing and treating water pollution through various regulatory, technological, and natural approaches.
Study of waste water, discharged from tannery (3)
The document discusses the process of tannery industry and waste generation points. It describes the various stages of hide/skin preparation including soaking, liming, unhairing, splitting, and deliming. The tanning and crusting stages chemically treat the hide to make it stable and flexible. Surface coatings may be applied for finishing. Maximum waste is generated during soaking, unhairing, fleshing, splitting, trimming, bleaching, and bating. The waste water characteristics are provided and treatment schemes discussed including activated sludge and trickling filters. New innovative technologies can more effectively and efficiently treat tannery effluent with lower costs.
Etp food industry
An ETP (Effluent Treatment Plant) treats industrial wastewater for reuse or safe disposal. It takes in influent (untreated wastewater), separates it into effluent (treated wastewater) and sludge. ETPs are essential for food industries as their wastewater contains high levels of contaminants like BOD, COD, and nutrients. Major treatment methods include physical, chemical, and biological processes. The objective is to produce effluent that meets discharge limits to protect water resources and public health.
Modern Sewage Treatment Plant from Indus
Ultra modern Sewage Treatment Plants from Indus Ecowater. Sewage Treatment Plants built to re-use treated sewage. Compact with small foot print- smallest civil works
Treatment of waste from pulp industry
The document summarizes treatment methods for waste from the pulp and paper industry. It describes the various sources and characteristics of effluents from pulp and paper production. It then outlines the typical treatment scheme, including screening to remove solids, sedimentation to settle out particles, biological treatment using aerobic and anaerobic microorganisms, and tertiary treatments like ozonation or membrane filtration to remove additional contaminants. The goal is to reduce COD, BOD, color, and other pollutants before releasing the treated water.
Waste water treatment
Wastewater treatment involves several stages to manage water discharged from homes and industries. It includes preliminary treatment to remove large objects, primary treatment using sedimentation to remove solids, secondary treatment using bacteria to remove organic waste, and tertiary treatment using methods like UV light or ozonation to further disinfect water before discharge or reuse. The goal is to reduce threats to water sources by eliminating smells, removing solid content, and destroying disease-causing microorganisms.
Sewage treatment plant & Wastewater treatment plant. Lucknow sewage treatment...
Process, characteristics, Composition and decomposition of sewage treatment plant. Case study of bharwara sewage treatment plant, lucknow. Asia's largest wastewater treatment plant.
Treatment of water for drinking purpose
This document discusses the treatment of water for drinking purposes. It outlines the microorganisms commonly found in domestic water supplies and describes the multi-step water treatment process. The primary treatment involves coagulation, flocculation and sedimentation to remove solids. Secondary treatment uses filtration to remove remaining particles. Tertiary treatment employs disinfection methods like chlorination and ozonation to kill microbes. The overall process aims to produce potable water that is safe for human consumption.
Wastewater
The document discusses wastewater treatment systems. It begins with an overview of the principles of wastewater treatment for industrial and domestic sewage. It then describes various treatment methods including primary treatment involving screening and grit removal. Secondary treatment uses biological processes like activated sludge and trickling filters. Tertiary treatment provides advanced levels of treatment before water is disposed. The document provides details on specific unit operations and process design considerations.
Abhijith J
The document discusses wastewater and sewage treatment. It describes the various stages of treatment - primary, secondary, and tertiary. Primary treatment involves physical processes like screening and sedimentation to remove solids. Secondary treatment uses biological processes via microorganisms to break down organic matter. Tertiary treatment provides additional removal of nutrients and disinfection before water is released. The goal of treatment is to remove impurities and improve water quality before it is returned to the environment.
WATER & WASTEWATER TREATMENT
This document provides information on various stages of municipal wastewater treatment processes. It discusses preliminary treatment including bar racks and grit chambers. Primary treatment includes primary sedimentation to remove settleable solids. Secondary treatment processes like activated sludge and trickling filters are used to further remove suspended solids and nutrients. Final treatment includes disinfection using chlorine or UV to inactivate pathogens before discharge or reuse of treated effluent. The overall goal of wastewater treatment is to reduce BOD, suspended solids and fecal coliforms to levels safe for discharge.
Waste water treatment
Wastewater treatment involves several stages to manage water discharged from homes, businesses, and industries. These stages include pre-treatment, preliminary treatment, primary treatment, secondary treatment, and sludge disposal. The goal is to reduce water pollution by decreasing levels of suspended solids and biochemical oxygen demand through physical and biological processes before water is discharged or sludge is disposed of through land application.
What's hot (20)
Regulation on discharge of industrial effluent and domestic waste in river an...
Regulation on discharge of industrial effluent and domestic waste in river an...
Primary waste water treatment powerpointb presntation
Primary waste water treatment powerpointb presntation
Sewage treatment plant & Wastewater treatment plant. Lucknow sewage treatment...
Sewage treatment plant & Wastewater treatment plant. Lucknow sewage treatment...
Viewers also liked
Microorganism
microorganism friends and foe for grade 8 science. fungi, bacteria, virus, protozoa, algae. How to preserve food from microorganism. canning, pasteurization, pickling, preservatives etc. preservatives. a presentation cbse and English medium.
Conservation of plants and animals
This document provides an overview of a class on conservation of plants and animals. It discusses topics like deforestation, its causes such as agricultural activities and logging, and its consequences including soil degradation and changes to climatic conditions. It also discusses reforestation and why it is needed to combat the huge areas of forests being damaged daily by deforestation. Reforestation can help improve quality of life by absorbing pollution, rebuilding habitats, and storing carbon to limit climate change. References used for the class include Wikipedia, Google Images, Arkive, and science texts.
Coal and petroleum
This document discusses various fossil fuels such as coal, petroleum, and natural gas. It explains that coal, petroleum, and natural gas were formed from the remains of dead organisms and are therefore called fossil fuels. It provides details on the composition and uses of coal, petroleum, coal tar, coal gas, petrol, diesel, and natural gas. It also discusses refining petroleum into its various constituents and provides tips from PCRA on conserving petrol and diesel while driving.
9 work and energy
1. The document discusses work, energy, and power. It provides examples to distinguish between the scientific definition of work versus how it is used in everyday language. (2) It explains that for work to be done scientifically, a force must act on an object and the object must be displaced. (3) Work can be positive or negative depending on whether the force acts in the direction of or opposed to the object's displacement.
Coal & Petroleum
Coal is a black or brownish-black rock that is made up primarily of carbon and was formed over millions of years from decaying plant matter buried underground. It is one of the most commonly used energy sources and is also used to manufacture other products. India has significant coal deposits, especially in the Damodar River valley and states like Jharkhand and Chhattisgarh produce large amounts. Petroleum is believed to come from ancient fossilized remains of living organisms and is purified as crude oil. It is a very important energy resource and raw material called "liquid gold" and while India produces some, it also imports from other countries.
8 reproduction in animals
This document discusses reproduction in animals. It begins by introducing the two main modes of reproduction - sexual and asexual. Sexual reproduction requires males and females that produce gametes which fuse during fertilization, while asexual reproduction involves a single parent. Examples of sexual reproduction discussed include the human reproductive system and fertilization process. Development of the embryo and birth of offspring is also outlined. Examples are provided to distinguish between viviparous animals that give birth and oviparous animals that lay eggs. The document concludes by briefly describing asexual reproduction through budding and binary fission in hydra and amoeba respectively.
Conservation of plants and animals
Deforestation involves cutting down trees on a large scale. Drought occurs when global warming increases temperatures and reduces rainfall. Deforestation and global warming can both contribute to drought by decreasing forests and rainfall.
8 pollution of air and water
1) The document discusses various sources and types of air and water pollution. It describes how human activities like industries, vehicles, and agriculture are contributing to increased air pollutants like carbon monoxide, sulfur dioxide, and particulate matter.
2) Water pollution is caused when harmful substances from sewage, chemicals, and garbage contaminate water bodies. The Ganga River is used as a case study of a heavily polluted river due to waste from towns, cities, and industries along its banks.
3) Effects of pollution include health impacts on people and discoloration of monuments like the Taj Mahal from acid rain. Solutions discussed include switching to cleaner fuels and increased awareness of pollution issues.
combustion and flame ppt
This document provides information about combustion and flames. It defines combustion as the burning of substances in air or oxygen with the evolution of heat and light. Combustible substances burn, while non-combustible substances do not. Three conditions are needed for combustion: oxygen, heat, and a fuel source. Fuels can be solid, liquid, or gas. Good fuels have characteristics like low ignition temperature and high calorific value. The document also describes soda-acid type fire extinguishers, how they work by releasing carbon dioxide gas when the acid bottle breaks, and their parts like the container and knob.
8 some natural phenomenon
Earthquakes are caused by disturbances deep within the Earth's crust. The crust is made up of fragmented plates that are constantly in motion, rubbing and colliding with each other. When plates collide or one plate slides under another, it causes stress that results in earthquakes. Major earthquakes can cause immense damage through ground shaking, tsunamis, landslides and floods. It is difficult to predict earthquakes, but understanding their causes can help minimize their effects through preparedness and building design.
Microorganisms - Friend and Foe
Microorganisms can survive in nearly all environments on Earth and inside animal bodies. They can be single-celled like bacteria and protozoa or multicellular like algae and fungi. Microorganisms live alone or in colonies and play vital roles in ecosystems by recycling organic matter and participating in nutrient cycles. They are also important symbionts in many multicellular organisms.
Math module 3 lesson 8
This document provides lesson plans and instructions for teachers to teach students about multiplication and division using numbers up to 8, with a focus on understanding the use of parentheses in equations. The lesson includes activities like multiplying by 7, adding 6 and 7 mentally, and an application problem about eggs. It emphasizes that the order of operations matters when using parentheses in equations, and that moving the parentheses can change the answer. Students are asked to practice solving equations with parentheses in different positions.
Growing microbes
1. The student was asked to grow an uncontaminated culture of microbes. The method provided involved sterilizing equipment, heating an inoculating loop, spreading bacteria onto agar jelly in a petri dish, and incubating the dish at 25°C.
2. The student tested the effectiveness of four antibiotic solutions by placing sterile paper discs dipped in each solution onto agar with growing bacteria. After two days of incubation, different sized regions with no bacterial growth were observed around each disc.
3. The least effective antibiotic produced the smallest region without bacteria, as the size of this region indicates how strongly the antibiotic inhibited bacterial growth. Calculations of the area of the bacterial-free zones would be inaccurate
Number Properties of Math
This presentation reviews basic concepts of order of operations and number properties in mathematics.
Conservation of Plants and Animals
Deforestation leads to negative environmental consequences like increased temperatures and carbon dioxide levels, lower water levels, and reduced biodiversity. To conserve forests and wildlife, protected areas like biosphere reserves, national parks, and wildlife sanctuaries are established. These protect habitats and endemic species while allowing wildlife to roam freely. Projects like Project Tiger and conservation efforts like reforestation help protect endangered animals and restore destroyed forests.
Coal and petroleum By Ayush Dabra
This document discusses different types of natural resources including coal and petroleum. It describes coal as a combustible sedimentary rock formed from vegetation that takes a long time to form, making it a non-renewable resource. The document outlines the formation and composition of coal, as well as its various uses such as fuel for electricity and heat production. It also discusses the surface mining and underground mining methods used to extract coal. Similarly, it summarizes how petroleum is formed from dead sea organisms over millions of years and the refining process used to produce fuels like petrol and diesel from crude oil. The excessive usage of coal and petroleum is noted to contribute to issues like air pollution and global warming.
8 conservation of plants and animals
1) The document discusses the conservation of plants and animals. It explains the causes and effects of deforestation, including reducing rainfall and soil fertility.
2) National parks, wildlife sanctuaries, and biosphere reserves are established protected areas that prohibit activities like cutting trees, hunting, and grazing to conserve biodiversity.
3) The group visits the Pachmarhi Biosphere Reserve, where they learn about endemic species like the giant squirrel found only in that region, and the importance of conserving flora and fauna.
ebstein's anomali
This document summarizes Ebstein's anomaly, a congenital heart defect characterized by displacement of the tricuspid valve into the right ventricle. Key features include delamination of the tricuspid leaflets, apical displacement of the tricuspid annulus, and dilation of the right atrium. Presentation varies from no symptoms to heart failure. Diagnosis involves echocardiogram and cardiac catheterization. Surgical options aim to repair or replace the tricuspid valve, with newer techniques using a cone reconstruction approach. Outcomes depend on severity, with some patients living into their 80s while others require heart transplantation.
Combustion and flame
This document discusses combustion and related topics. It defines combustion as a chemical reaction between a substance and oxygen that produces heat. It describes the types of combustion as rapid, spontaneous, or explosive. It explains that the ignition temperature is the lowest temperature at which a substance will catch fire. Substances with low ignition temperatures are called inflammable. Burning fuels produces harmful byproducts like carbon particles, carbon monoxide, carbon dioxide, and sulfur dioxide, which can damage health, environment and property.
Conservation of plants and animals
This presentation discusses the importance of conserving plants and animals. It notes that deforestation is a major threat due to activities like clearing forests for agriculture and development. Deforestation leads to soil erosion, desertification, increased carbon dioxide levels, and disruptions to the natural environment. The government has established several protected areas like national parks, sanctuaries, and biosphere reserves to preserve biodiversity and habitats of endangered species. Specific protected areas mentioned include Nagarhole National Park, Bandipur National Park, and Coringa Wildlife Sanctuary. The Red Data Book provides information about endangered plants and animals globally. Conservation efforts are needed to protect natural assets for future generations.
Viewers also liked (20)
Similar to Waste water management
Primary Liquid Waste Treatment
This document discusses primary liquid waste management. It begins by defining wastewater as any water affected by human use. The main steps of wastewater treatment are described as collection, preliminary treatment to remove large particles, primary treatment to remove smaller particles physically, secondary biological treatment, tertiary chemical treatment, sludge processing, and effluent discharge. Primary treatment specifically involves screening to remove large debris, sedimentation to allow solids to settle, and removal of floating materials. It removes around 25-50% of biochemical oxygen demand and suspended solids from the water through gravitational separation before secondary biological treatment.
Environmental control & management
This document summarizes the key steps and processes involved in sewage treatment. It first defines sewage as household liquid waste from sources like toilets and sinks that is collected in sewers, sometimes also including industrial waste. The treatment process involves preliminary, primary, and secondary stages to remove solids and organic matter through physical, chemical, and biological processes like sedimentation and activated sludge. Tertiary treatment provides a final polishing step to further improve water quality before discharge through additional filtration or nutrient removal.
Industrial effluents and Wastewater Treatment
The document discusses industrial effluents and wastewater treatment. It describes various types of industrial effluents from industries like food, chemicals, iron and steel. Offshore drilling is also discussed along with its effects like drilling fluids and oil spills. Wastewater treatment methods include primary, secondary and tertiary treatments using physical, chemical and biological processes. Sludge processing through anaerobic digestion and dewatering is also summarized. Proper wastewater treatment is important for reducing industrial pollution.
WASTEWATER TREATMENT AND DISPOSAL PPTDCED.pptx
Wastewater treatment involves a multi-step process to remove contaminants from water that has been used for domestic, commercial, or industrial purposes. The steps include pretreatment to remove large debris, primary treatment using sedimentation to remove solids, secondary treatment using biological processes to break down organic materials, tertiary treatment to remove additional contaminants, and sludge treatment to reduce material in sewage sludge before disposal or reuse. The overall goal is to produce a safe fluid waste stream and solid waste that has been treated and is environmentally safe.
waste water treatment process
This document discusses wastewater treatment. It defines wastewater as liquid waste from industrial and sewage sources. The treatment process converts wastewater into effluent that can be safely returned to the water cycle or reused. The objectives of wastewater treatment are to reduce organic content, nutrients, and pathogens. The treatment process involves primary, secondary, and sometimes tertiary stages using various physical, biological, and chemical methods to clean the water. These include sedimentation, activated sludge, trickling filters, and oxidation ponds. The goal is to remove contaminants before discharging or reusing the treated effluent.
WASTE WATER TREATMENT.pptx
This document summarizes wastewater treatment. It defines wastewater as liquid waste from sewage and industry. Wastewater treatment involves converting wastewater into effluent that can be safely returned to the water cycle or reused. The treatment process typically involves primary, secondary, and sometimes tertiary stages to reduce contaminants, remove pathogens, and decrease organic materials and nutrients. The primary goals of wastewater treatment are to protect public health and the environment.
Industrial effluents sewage treatment
treatment of sewage and industrial effluents
methods of treating sewage and industrial effluents
application and use of this treated water
Waste_Water_Treatment.pptx
Wastewater Treatment: Definition, Process Steps, Design Considerations, Plant Types (With PDF)
Written by Anup Kumar Deyin Civil,Construction,Mechanical,Piping Interface,Process
Wastewater treatment is a process to treat sewage or wastewater to remove suspended solid contaminants and convert them into an effluent that can be discharged back to the environment with acceptable impact. The plants where the wastewater treatment process takes place are popularly known as Wastewater treatment plants, Water resource recovery facilities, or Sewage Treatment Plants. Pollutants present in wastewater can negatively impact the environment and human health. So, these must be removed, broken down, or converted during the treatment process. Typical pollutants that are normally present in wastewater are:
Bacteria, viruses, and disease-causing pathogens.
helminths (intestinal worms and worm-like parasites)
Toxic Chlorine compounds and inorganic chloramines.
Metals possessing toxic effects like mercury, lead, cadmium, chromium, and arsenic.
Decaying organic matter and debris.
oils and greases.
Toxic chemicals like PCBs, PAHs, dioxins, furans, pesticides, phenols, etc.
Some pharmaceutical and personal care products
Building Services Presentation Slide
This document discusses sustainable wastewater treatment. It begins by defining wastewater and its sources. There are then four main stages of treatment: preliminary, primary, secondary, and tertiary. Preliminary treatment screens out solids, primary uses settling and skimming to remove other particles, secondary uses bacteria to break down organic matter, and tertiary can remove remaining impurities. The case study discusses Rio de Janeiro's efforts to treat sewage discharged into Guanabara Bay using the Nereda system, an aerobic granular sludge process. Advantages include producing clean water and methane for energy, while disadvantages include high costs and potential environmental impacts if not properly handled. Proper maintenance is also important for plant
Building Material - wastewater treatment
This document discusses sustainable wastewater treatment. It begins by defining wastewater and its sources. There are then four main stages of treatment: preliminary, primary, secondary, and tertiary. Preliminary treatment screens out solids, primary uses settling and skimming to remove other particles, secondary uses bacteria to break down organic matter, and tertiary can remove remaining impurities. The case study discusses Rio de Janeiro's efforts to treat sewage discharged into Guanabara Bay using the Nereda technology, a new treatment plant. Advantages include clean water and energy production from sludge, while disadvantages include high costs and potential environmental impacts if not managed properly. Proper maintenance is also important for plant operations.
wwtppt-161203034016.pptx
Wastewater treatment involves a multi-stage process to convert wastewater into an effluent that can be safely returned to the water cycle. Wastewater comes from residential, commercial, and industrial sources and contains organic materials, nutrients, and pathogens. The treatment process begins with primary treatment which uses physical separation processes like screening and sedimentation to remove solids. Secondary treatment uses biological and chemical processes like activated sludge or trickling filters to reduce organic content. Finally, effluent is disinfected before being released back into streams or reused. Sludge from the process is treated and disposed of through methods like land application or incineration.
waste water treatment ppt
The document summarizes the process of wastewater treatment. It begins with defining wastewater and then outlines the main stages of treatment including primary (removing solids and debris), secondary (biological and chemical treatment using activated sludge or trickling filters), and sludge treatment. The overall goal is to reduce contaminants like organic materials, nutrients, and pathogens before discharging or reusing the treated water.
Wax
The document summarizes the process of wastewater treatment. It describes how wastewater is collected from residences, commercial, and industrial sources and undergoes primary, secondary, and sometimes tertiary treatment stages to remove contaminants before being returned safely to the environment or reused. The primary stages involve physical separation processes like screening and sedimentation. Secondary biological treatment uses activated sludge or trickling filters to reduce organic matter with microbes. The treated effluent is then typically disinfected before discharge or reuse while sludge is processed further.
Liquid waste management
From this slides you can get the better knowledge about Liquid waste management
If their is any confusion on this contents you can mail me
abishekregmi432@gmail.com
Wastewater treatment by effluent treatment plants
This document provides an overview of effluent treatment plants (ETPs). It discusses the need for ETPs, their design considerations and types. It describes the key processes involved in industrial wastewater treatment and sewage treatment. These include physical, chemical and biological treatment levels and mechanisms like screening, sedimentation, aeration, activated sludge etc. The document includes a flow chart illustrating the ETP treatment process.
Design of effluent treatment plant
Effluent treatment Plant covers the mechanisms and processes used to treat such waters that have been contaminated in some way by anthropogenic industrial or commercial activities prior to its release into the environment or its re-use.
Waste water treatment.pptx [autosaved]
the various treatment strategies to treat waste water from various sources and render it safe for reuse
APTIDCO- STP Presentation based on SBT andSBR.pptx
This is soil bio technology based treatment for wastewater
Presentation(1).pptx
This document discusses primary and secondary wastewater treatment processes. It begins by explaining that wastewater treatment involves applying technology to improve water quality by removing solids and contaminants. The primary goals of treatment are to protect public health, improve the environment, and allow for water reuse. The document then describes the steps of primary treatment, which uses physical processes like screening, comminution, grit removal, and sedimentation to remove 40-60% of suspended solids over 2-3 hours. Secondary treatment uses biological processes to further break down remaining organic matter.
Waste water training ppt.ppt
Wastewater undergoes three stages of treatment - primary, secondary, and tertiary. Primary treatment involves removing large solid objects. Secondary treatment uses microorganisms and bacteria to break down and convert dissolved organic matter. There are three approaches to secondary treatment - fixed film systems like trickling filters which use microbes on substrates, suspended film systems like activated sludge which suspend microbes in wastewater, and lagoon systems which hold wastewater in basins. Tertiary treatment uses disinfection like chlorination to kill pathogens before water is released or reused. The treated effluent and solids must be safely disposed of.
Similar to Waste water management (20)
APTIDCO- STP Presentation based on SBT andSBR.pptx
APTIDCO- STP Presentation based on SBT andSBR.pptx
Recently uploaded
Azure Interview Questions and Answers PDF By ScholarHat
Azure Interview Questions and Answers PDF By ScholarHat
clinical examination of hip joint (1).pdf
described clinical examination all orthopeadic conditions .
PCOS corelations and management through Ayurveda.
This presentation includes basic of PCOS their pathology and treatment and also Ayurveda correlation of PCOS and Ayurvedic line of treatment mentioned in classics.
Chapter 4 - Islamic Financial Institutions in Malaysia.pptx
Chapter 4 - Islamic Financial Institutions in Malaysia.pptxMohd Adib Abd Muin, Senior Lecturer at Universiti Utara Malaysia
This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
The Diamonds of 2023-2024 in the IGRA collection
A review of the growth of the Israel Genealogy Research Association Database Collection for the last 12 months. Our collection is now passed the 3 million mark and still growing. See which archives have contributed the most. See the different types of records we have, and which years have had records added. You can also see what we have for the future.
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Aberdeen
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
BBR 2024 Summer Sessions Interview Training
Qualitative research interview training by Professor Katrina Pritchard and Dr Helen Williams
Community pharmacy- Social and preventive pharmacy UNIT 5
Covered community pharmacy topic of the subject Social and preventive pharmacy for Diploma and Bachelor of pharmacy
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...Nguyen Thanh Tu Collection
https://app.box.com/s/y977uz6bpd3af4qsebv7r9b7s21935vdThe simplified electron and muon model, Oscillating Spacetime: The Foundation...
Discover the Simplified Electron and Muon Model: A New Wave-Based Approach to Understanding Particles delves into a groundbreaking theory that presents electrons and muons as rotating soliton waves within oscillating spacetime. Geared towards students, researchers, and science buffs, this book breaks down complex ideas into simple explanations. It covers topics such as electron waves, temporal dynamics, and the implications of this model on particle physics. With clear illustrations and easy-to-follow explanations, readers will gain a new outlook on the universe's fundamental nature.
Pengantar Penggunaan Flutter - Dart programming language1.pptx
Pengantar Penggunaan Flutter - Dart programming language1.pptx
Walmart Business+ and Spark Good for Nonprofits.pdf
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
How to Build a Module in Odoo 17 Using the Scaffold Method
Odoo provides an option for creating a module by using a single line command. By using this command the user can make a whole structure of a module. It is very easy for a beginner to make a module. There is no need to make each file manually. This slide will show how to create a module using the scaffold method.
How to Add Chatter in the odoo 17 ERP Module
In Odoo, the chatter is like a chat tool that helps you work together on records. You can leave notes and track things, making it easier to talk with your team and partners. Inside chatter, all communication history, activity, and changes will be displayed.
Advanced Java[Extra Concepts, Not Difficult].docx
This is part 2 of my Java Learning Journey. This contains Hashing, ArrayList, LinkedList, Date and Time Classes, Calendar Class and more.
Recently uploaded (20)
Azure Interview Questions and Answers PDF By ScholarHat
Azure Interview Questions and Answers PDF By ScholarHat
Chapter 4 - Islamic Financial Institutions in Malaysia.pptx
Chapter 4 - Islamic Financial Institutions in Malaysia.pptx
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
Community pharmacy- Social and preventive pharmacy UNIT 5
Community pharmacy- Social and preventive pharmacy UNIT 5
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
The simplified electron and muon model, Oscillating Spacetime: The Foundation...
The simplified electron and muon model, Oscillating Spacetime: The Foundation...
Pengantar Penggunaan Flutter - Dart programming language1.pptx
Pengantar Penggunaan Flutter - Dart programming language1.pptx
Walmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdf
How to Build a Module in Odoo 17 Using the Scaffold Method
How to Build a Module in Odoo 17 Using the Scaffold Method
Waste water management
- 1. WasteWaterManagement Wastewater is defined as the dirty water that runs down the drains from the kitchen sinks and bathrooms Sewage is wastewater that flows down the drains of houses, industries, hospitals, offices, fields, etc.
- 2. WasteWaterManagement Sewage treatment 1.Physical 1-Bar screen 2-Grit and sand removal 3-Water clarifier 2.Biological 4-Aeration tank 3.Chemical 5-Disinfection 3-process and 5-Stages
- 3. WasteWaterManagement SewageTreatmentPlant 1. Physical Process 1.Bar Screen • To remove large object • Sticks, plastics packets etc.
- 4. WasteWaterManagement SewageTreatmentPlant 1. Physical Process 2. Grit and sand removal Grit and sands are allowed to settle down
- 5. WasteWaterManagement SewageTreatmentPlant 1. Physical Process 3. Water clarifier I. Skimmer (on surface) • To remove oil and grease II. Scrapers (in Bottom) • To remove sludge
- 6. WasteWaterManagement SewageTreatmentPlant 2. Biological Process 4. Aeration tank • To grow aerobic bacteria • aerobic bacteria consume waste, food waste, soaps, and other organic matter.
- 7. WasteWaterManagement SewageTreatmentPlant 1. Chemical Process 5.Disinfection It involves injecting of Chlorine or ozone
- 8. WasteWaterManagement Waste Effects Prevention Cooking oil and fats • harden and block the pipes • fats clog the soil pores reducing its effectiveness in filtering water. do not throw them down the drain. Throw in the dustbin. paints, solvents, insecticides, motor oil, medicines • may kill microbes do not throw them down the drain. throw in the dustbin Used tealeaves, solid food remains, soft toys, cotton, sanitary towels, etc. • choke the drains do not throw them down the drain. throw in the dustbin Better house keeping practices