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The activated sludge process is a biological wastewater treatment process that uses microorganisms to degrade and remove organic matter and nutrients from wastewater. Wastewater enters an aeration tank where oxygen is injected to promote bacterial growth on dissolved organic matter and the oxidation of ammonia into nitrates. The activated sludge and treated water are then separated in a clarifier, with the sludge recycled to the aeration tank to treat more wastewater, while the effluent undergoes further treatment before discharge.
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water treatment
Water treatment is the Process of removal of contaminants from untreated water to produce drinking water that is pure enough for the most critical of its intended uses, usually for human consumption. Substances that are removed during the process of drinking water treatment include suspended solids, bacteria, algae, viruses, fungi, minerals such as iron, manganese and sulfur, and other chemical pollutants such as fertilizers.Preliminary treatment of wastewater generally includes those processes that remove debris and coarse biodegradable material from the waste stream and/or stabilize the wastewater by equalization or chemical addition. Primary treatment generally refers to a sedimentation process ahead of the main system or secondary treatment.
In domestic wastewater treatment, preliminary and primary processes will remove approximately 25 percent of the organic load and virtually all of the nonorganic solids. In industrial waste treatment, preliminary or primary treatment may include flow equalization, pH adjustment or chemical addition that is ex-tremely important to the overall treatment process.
Waste water treatment can involve physical, chemical or biological processes or combinations of these processes depending on the required outflow standards.
Conventional water treatment concepts blended with Modern technology is offered by Canadian Clear in their pressure sand filter, activated carbon filter, de-mineralizes, softener, iron removal filter, fluoride removal of plants, ozonators, ultra violet sterilizers, ultra filtration, micro filters, nano filtration, electro deionization, reverse osmosis system and so on.
Canadian Clear advanced research and development wing has developed systems for various applications in prime industries like off shore oil rigs, fertilizers, hospitals, refineries, etc.
We have an offer of effective water treatment plants which are automated to remove several captions and anions from the contaminated water. Our plants are entirely free from virus attacks and bacterial elements. These systems are durable, automatic, reliable and trustworthy to offer efficient and safe operation.
Water purification plant...
Water purification is a 14-step process that begins with water collection and ends with independent quality testing. The steps include activated carbon filtration, water softening, reverse osmosis for demineralization, remineralization by adding selected minerals, micron filtering, ultraviolet and ozone disinfection, bottling control, packaging quality assurance, line sanitation, and multiple levels of quality control and testing to produce safe drinking water.
Water Treatment Technology
Wastewater treatment involves several stages to clean water contaminated by human, industrial, and other wastes. It begins with primary treatment that uses physical processes to remove solids. Secondary treatment uses biological processes where microorganisms break down organic matter. There are three main approaches: fixed film systems like trickling filters, suspended film systems like activated sludge, and lagoon systems. Tertiary treatment through disinfection kills pathogens using chlorination, ultraviolet light, or other methods. The overall goal is to purify wastewater enough that it can be safely released back into the environment.
Purification of water
The document discusses water purification methods used by city water works. It describes the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from contaminated water to produce drinking water. Common purification methods include physical processes like filtration and sedimentation, biological processes such as slow sand filters, chemical processes like chlorination, and electromagnetic radiation such as ultraviolet light. Sedimentation is used in potable water treatment to allow particles to group into larger flocs that settle faster, removing suspended solids and settling colloids.
Water purification
The document discusses various water purification techniques, including desalination methods like reverse osmosis, electrodialysis, and distillation. It describes how reverse osmosis works using a semipermeable membrane to filter out solutes under pressure. Historical water purification methods are also discussed, such as techniques described in ancient Sanskrit documents like boiling, heating, or filtering water through sand and gravel. The benefits of reverse osmosis purification are provided, which completely removes contaminants and requires no energy. Additional water treatment methods covered include distillation, heating/boiling, filtration, chlorination, and ozonation.
Water purification using micrbes
A simple presentation on water purification using microorganisms
here the water purification process activated sludge is discussed and trickling filters usage and what is use of water purification and use of microorganisms
Treatment of Waste H2O
wastewater in NZ, sewage treatment in NZ, process of wastewater in NZ, process of sewage treatment in NZ, primary secondary tertiary treatment of waste water, screening of wastewater, grit removal tanks, sedimentation, process of separation, anaerobic digestors, activated sludge, trickling filters, oxidation ponds, polishing ponds, disinfection of waste water, wetlands, irrigation, UV lamp disinfection of wastewater, chlorine disinfection of wastewater, ozone disinfection of wastewater
Water purification methods
This document discusses various methods of water purification and identifies the most appropriate methods based on different situations. It identifies boiling, filtering, distilling, and chlorination as common purification methods. Distilling is considered the most effective as it removes the widest range of contaminants, but has limitations as it removes minerals. The appropriate method depends on factors like local water quality, cost, and performance of the system. Groups will present creative ways to purify water and discuss limitations of distilling.
Recommended
water treatment
Water treatment is the Process of removal of contaminants from untreated water to produce drinking water that is pure enough for the most critical of its intended uses, usually for human consumption. Substances that are removed during the process of drinking water treatment include suspended solids, bacteria, algae, viruses, fungi, minerals such as iron, manganese and sulfur, and other chemical pollutants such as fertilizers.Preliminary treatment of wastewater generally includes those processes that remove debris and coarse biodegradable material from the waste stream and/or stabilize the wastewater by equalization or chemical addition. Primary treatment generally refers to a sedimentation process ahead of the main system or secondary treatment.
In domestic wastewater treatment, preliminary and primary processes will remove approximately 25 percent of the organic load and virtually all of the nonorganic solids. In industrial waste treatment, preliminary or primary treatment may include flow equalization, pH adjustment or chemical addition that is ex-tremely important to the overall treatment process.
Waste water treatment can involve physical, chemical or biological processes or combinations of these processes depending on the required outflow standards.
Conventional water treatment concepts blended with Modern technology is offered by Canadian Clear in their pressure sand filter, activated carbon filter, de-mineralizes, softener, iron removal filter, fluoride removal of plants, ozonators, ultra violet sterilizers, ultra filtration, micro filters, nano filtration, electro deionization, reverse osmosis system and so on.
Canadian Clear advanced research and development wing has developed systems for various applications in prime industries like off shore oil rigs, fertilizers, hospitals, refineries, etc.
We have an offer of effective water treatment plants which are automated to remove several captions and anions from the contaminated water. Our plants are entirely free from virus attacks and bacterial elements. These systems are durable, automatic, reliable and trustworthy to offer efficient and safe operation.
Water purification plant...
Water purification is a 14-step process that begins with water collection and ends with independent quality testing. The steps include activated carbon filtration, water softening, reverse osmosis for demineralization, remineralization by adding selected minerals, micron filtering, ultraviolet and ozone disinfection, bottling control, packaging quality assurance, line sanitation, and multiple levels of quality control and testing to produce safe drinking water.
Water Treatment Technology
Wastewater treatment involves several stages to clean water contaminated by human, industrial, and other wastes. It begins with primary treatment that uses physical processes to remove solids. Secondary treatment uses biological processes where microorganisms break down organic matter. There are three main approaches: fixed film systems like trickling filters, suspended film systems like activated sludge, and lagoon systems. Tertiary treatment through disinfection kills pathogens using chlorination, ultraviolet light, or other methods. The overall goal is to purify wastewater enough that it can be safely released back into the environment.
Purification of water
The document discusses water purification methods used by city water works. It describes the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from contaminated water to produce drinking water. Common purification methods include physical processes like filtration and sedimentation, biological processes such as slow sand filters, chemical processes like chlorination, and electromagnetic radiation such as ultraviolet light. Sedimentation is used in potable water treatment to allow particles to group into larger flocs that settle faster, removing suspended solids and settling colloids.
Water purification
The document discusses various water purification techniques, including desalination methods like reverse osmosis, electrodialysis, and distillation. It describes how reverse osmosis works using a semipermeable membrane to filter out solutes under pressure. Historical water purification methods are also discussed, such as techniques described in ancient Sanskrit documents like boiling, heating, or filtering water through sand and gravel. The benefits of reverse osmosis purification are provided, which completely removes contaminants and requires no energy. Additional water treatment methods covered include distillation, heating/boiling, filtration, chlorination, and ozonation.
Water purification using micrbes
A simple presentation on water purification using microorganisms
here the water purification process activated sludge is discussed and trickling filters usage and what is use of water purification and use of microorganisms
Treatment of Waste H2O
wastewater in NZ, sewage treatment in NZ, process of wastewater in NZ, process of sewage treatment in NZ, primary secondary tertiary treatment of waste water, screening of wastewater, grit removal tanks, sedimentation, process of separation, anaerobic digestors, activated sludge, trickling filters, oxidation ponds, polishing ponds, disinfection of waste water, wetlands, irrigation, UV lamp disinfection of wastewater, chlorine disinfection of wastewater, ozone disinfection of wastewater
Water purification methods
This document discusses various methods of water purification and identifies the most appropriate methods based on different situations. It identifies boiling, filtering, distilling, and chlorination as common purification methods. Distilling is considered the most effective as it removes the widest range of contaminants, but has limitations as it removes minerals. The appropriate method depends on factors like local water quality, cost, and performance of the system. Groups will present creative ways to purify water and discuss limitations of distilling.
Apas final presentation 08.08.2013
This document provides an overview of water treatment technologies from an Indian perspective. It discusses the objectives of water treatment, which include managing water discharge to reduce pollution and allow for reuse. It outlines various water quality parameters that are tested and regulated. It then describes common water treatment systems like ETPs and STPs, as well as the treatment processes involved in STPs, including pre-treatment, primary treatment, and secondary treatment. Key components of treatment systems like clarifiers, aeration tanks, and filters are illustrated. Advanced processes like reverse osmosis and desalination are also summarized. The document concludes by referencing several sources on water treatment practices.
Waste water Treatment
This document provides an overview of waste water treatment processes. It discusses 3 stages of treatment: physical, chemical, and biological. Physical treatment includes screening, sedimentation, and flotation to remove solids. Chemical treatment uses neutralization, coagulation, and flocculation to remove dissolved and suspended materials. Biological treatment occurs in aerobic processes like activated sludge and anaerobic digestion to break down organic pollutants. The document also briefly discusses water treatment laws and regulations in India and the United States.
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.
Waste water management
The document discusses wastewater management which includes effective water use, proper water treatment, proper disposal, and watershed protection. It notes that wastewater from buildings is unfit for consumption and contains human waste, cleaning solutions, food particles, and other materials. If not treated properly, wastewater can cause water and soil pollution and health hazards. The document outlines ways to detect pollution through biochemical oxygen demand and chemical oxygen demand tests and discusses solutions like reuse, recycling, and water treatment.
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.
WASTE WATER TREATMENT PLANT VISIT
The document reports on a field visit to the effluent treatment plant (ETP) of Concord Biotech Limited. It provides an introduction to the company and describes the ETP. The ETP uses various processes to treat wastewater from the pharmaceutical manufacturing process, including oil and grease separation, pH adjustment with lime and alum, sedimentation, aeration for bacteria growth and decomposition, secondary sedimentation, holding, and filtration through sand and carbon filters. Treated water tests are conducted and the water is then used for gardening.
Clarifire
This document provides an overview of clarifiers, which are used in sewage treatment plants to remove solids from wastewater. It discusses the different types of clarifiers, including primary and secondary clarifiers. Primary clarifiers remove settable solids before biological treatment, producing primary sludge. Secondary clarifiers remove biomass from the aerated water, producing secondary sludge. Common clarifier designs include circular and rectangular shapes. The clarification process involves the settling of heavier solids to the bottom of the tank due to gravity, while scum and lighter materials float to the surface.
Water Treatment
We are manufacturer & supplier of wide range of water treatment plant in India. Get information on water treatment plants and contact verified water treatment plants manufacturers. Visit Now.
Water purification and methods
The document discusses water purification and the necessity of purifying water for human consumption. It outlines the early issues with using untreated surface water which led to waterborne diseases. As civilization advanced, methods for treating water were developed to remove impurities and make water safe. The purification process involves screening, chemical addition, coagulation, flocculation, sedimentation, filtration, disinfection, and storage before distribution. Purifying water is necessary to remove suspended solids, bacteria, dissolved salts and other factors to ensure water quality meets standards and is safe for health.
Drinking Water Treatment Process
The document summarizes the water treatment process. Raw water is taken from sources like lakes and rivers and contains particles like viruses, bacteria, and sediments. It then goes through coagulation, flocculation, sedimentation, filtration, and disinfection to remove harmful particles. Coagulants are added to help particles combine and form clumps that are then removed. The treated water is stored, distributed, and consumed by homes after ensuring it is clean and safe.
Final Year Project Proposal-Water purification System
Proposal presentation of our final year project...includes
- Water and life
- Water Purification Technologies
- Our proposed solution
- Estimated budget
-Etc.
Wastewater treatment by ag
The document discusses wastewater treatment and its various stages. Wastewater treatment involves applying engineering techniques to change the physical, chemical, or biological properties of water so that it can be disposed of safely or reused. It goes through various stages including pre-treatment to remove solids, primary treatment where gravity is used to separate solids from water, secondary treatment using bacteria and algae to break down organic matter, and final treatment to further remove solids before being disposed or reused. The sludge from treatment is also processed, stabilized, and applied to agricultural fields. Monitoring is done at the plant and by government agencies to ensure safety.
Water Treatment Process (Screening)
The document discusses the water treatment process, which involves removing pollutants from raw water through screening and filtering to produce safe water for human use. The screening process removes wood chips, leaves, and other floating impurities. This creates a more compact suspended material and allows the water to flow into chambers where settled material collects on the bottom. Screening restricts solid waste from entering the water treatment plant and prevents equipment damage while preparing the water for subsequent treatment steps.
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.
Water purification by samrat gurung
The document discusses methods of water purification on both large and small scales. On a large scale, purification involves storage, filtration using slow sand or rapid sand filters, and disinfection through boiling, chemicals like bleaching powder and chlorine, or filtration. On a small scale, common methods are boiling, sunlight exposure, and chlorination using household bleach. In Pokhara, the main method used by the water corporation is chemical treatment using bleaching powder at the water supply centers.
Biological Treatment of Organic Waste, Tomato Waste Water Treatment, Agro-Ind...
Biological Treatment of Organic Waste, Tomato Waste Water Treatment, Agro-Industrial Wastes, Oxalic Acid from Jute Stick, Liquid Manure into a Solid, Cotton Processing Waste, Fish Waste, Bioconversion of Pretreated Wheat Straw and Sunflower Stalks to Ethanol, Pig Waste, Oxytetracycline, Methane from Cattle Waste, Agricultural Waste Treatment, Waste of Dehydrated Onion, Beef-Cattle Manure Slurry, Meat Meal and Algae for Calves, Wastes from Large Piggeries
Biological treatment is an important and integral part of any wastewater treatment plant that treats wastewater from either municipality or industry having soluble organic impurities or a mix of the two types of wastewater sources. The obvious economic advantage, both in terms of capital investment and operating costs, of biological treatment over other treatment processes like chemical oxidation; thermal oxidation etc. has cemented its place in any integrated wastewater treatment plant.
Biological treatment using aerobic activated sludge process has been in practice for well over a century. Increasing pressure to meet more stringent discharge standards or not being allowed to discharge treated effluent has led to implementation of a variety of advanced biological treatment processes in recent years.
See more
https://goo.gl/jJUKzH
https://goo.gl/kDfBgp
https://goo.gl/LqXVPi
Contact us:
Niir Project Consultancy Services
An ISO 9001:2015 Company
106-E, Kamla Nagar, Opp. Spark Mall,
New Delhi-110007, India.
Email: npcs.ei@gmail.com , info@entrepreneurindia.co
Tel: +91-11-23843955, 23845654, 23845886, 8800733955
Mobile: +91-9811043595
Website: www.entrepreneurindia.co , www.niir.org
Tags
Biological Treatment, Organic-Waste Treatment, Biological Treatment of Organic Waste, Biological Wastewater Treatment, Biological Treatment Plant or Organic Waste, Organic Solid Waste Biological Treatment, Biological Treatment Plant, Microorganisms in Organic Waste Disposal, Biological Treatment of Waste, Process for Biological Treatment of Organic Waste, Biological Treatment Process, Organic Waste Treatment, Organic Waste Recycling, Organic Waste Forms and Treatment Strategies, Biological Waste Treatment and Utilization, Transformation of Liquid Manure into Solid, Tomato Waste Water Treatment, Treatment of Wastewater from Peeled Tomato, Tomato Cleaning and Water Recycle, Preparation of Oxalic Acid from Jute Stick, Oxalic Acid Manufacture, Oxalic Acid from Jute Stick, Digestion of Cotton Processing Waste, Properties of Sorghum Stalk, Physical and Mechanical Properties of Sorghum Stalk, Biological Fermentation of Fish Waste, Fermentation of Fish Waste, Fermented Fish Waste, Fish Waste in Fermentation, Agro-industrial Wastes, Agro-industrial wastes utilization, Recycling of Agro-Industrial Wastes, Modelling of Agricultural Waste Treatments, Utilization of Waste of Dehydrated Onion, Utilization of Waste Products of Dehydrated Onion Industry,
Introduction to Water Treatment Engineering
This document provides an overview of water treatment engineering. It discusses the objectives of water treatment, which are to supply clean and safe drinking water. It outlines the typical stages in a water treatment system, including intake, aeration/air stripping, coagulation/flocculation, sedimentation, filtration, and disinfection. The document also discusses some of the 21st century challenges facing water treatment, such as disinfection byproducts, emerging pathogens, and trace contaminants. Coursework is graded through assignments, tests, and a final exam.
Glossary
This document provides definitions for terms related to water and wastewater treatment. It includes a glossary section with over 100 definitions of technical terms. The document also notes that the definitions are copyrighted and reproduced with permission from the Office of Water Programs at California State University, Sacramento. Contact information is provided for those seeking the original source documents containing these definitions.
Water purification
Water purification without electricity can be achieved through various physical and biological processes. Untreated water sources like rivers and reservoirs require sedimentation to allow dirt and debris to settle. The water then passes through a multi-layer filter of gravel, pebbles, sand and charcoal. Each layer removes different impurities. Charcoal filtration is effective at removing toxins and odors without chemicals. It produces healthy, safe drinking water in an affordable way suitable for off-grid areas.
Water technology
Water is one of the most important substances on earth. All plants and animals must have water to survive. If there was no water there would be no life on earth.It is most important that the water which people drink and use for other purposes is clean water. This means that the water must be free of germs and chemicals and be clear (not cloudy).
Oil
Oil-water separators are devices used to remove oils, greases, and sometimes solids from industrial wastewater and stormwater. They use physical or chemical separation methods like gravity separation, filters, coagulation, and flotation. The design and selection of an oil-water separator depends on factors like the type and size of oil droplets, oil density, water viscosity and flow rate, desired discharge water quality, and the range of oil concentrations. Parallel plate separators use upward flow through media to allow oil to coalesce, float to the surface, and be collected while cleaner water is decanted off.
Carbon filtering
The document discusses two types of carbon filters used in water filtration: carbon block filters and granular activated carbon filters. Both use activated carbon to adsorb contaminants via chemical adsorption and catalyst reduction. Carbon block filters are more efficient at contaminant removal due to the solid carbon block structure allowing longer water contact, while granular activated carbon filters can process higher water flow rates. Activated carbon filters are effective at removing chlorine, organics, and odor/taste from water sources.
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Apas final presentation 08.08.2013
This document provides an overview of water treatment technologies from an Indian perspective. It discusses the objectives of water treatment, which include managing water discharge to reduce pollution and allow for reuse. It outlines various water quality parameters that are tested and regulated. It then describes common water treatment systems like ETPs and STPs, as well as the treatment processes involved in STPs, including pre-treatment, primary treatment, and secondary treatment. Key components of treatment systems like clarifiers, aeration tanks, and filters are illustrated. Advanced processes like reverse osmosis and desalination are also summarized. The document concludes by referencing several sources on water treatment practices.
Waste water Treatment
This document provides an overview of waste water treatment processes. It discusses 3 stages of treatment: physical, chemical, and biological. Physical treatment includes screening, sedimentation, and flotation to remove solids. Chemical treatment uses neutralization, coagulation, and flocculation to remove dissolved and suspended materials. Biological treatment occurs in aerobic processes like activated sludge and anaerobic digestion to break down organic pollutants. The document also briefly discusses water treatment laws and regulations in India and the United States.
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.
Waste water management
The document discusses wastewater management which includes effective water use, proper water treatment, proper disposal, and watershed protection. It notes that wastewater from buildings is unfit for consumption and contains human waste, cleaning solutions, food particles, and other materials. If not treated properly, wastewater can cause water and soil pollution and health hazards. The document outlines ways to detect pollution through biochemical oxygen demand and chemical oxygen demand tests and discusses solutions like reuse, recycling, and water treatment.
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.
WASTE WATER TREATMENT PLANT VISIT
The document reports on a field visit to the effluent treatment plant (ETP) of Concord Biotech Limited. It provides an introduction to the company and describes the ETP. The ETP uses various processes to treat wastewater from the pharmaceutical manufacturing process, including oil and grease separation, pH adjustment with lime and alum, sedimentation, aeration for bacteria growth and decomposition, secondary sedimentation, holding, and filtration through sand and carbon filters. Treated water tests are conducted and the water is then used for gardening.
Clarifire
This document provides an overview of clarifiers, which are used in sewage treatment plants to remove solids from wastewater. It discusses the different types of clarifiers, including primary and secondary clarifiers. Primary clarifiers remove settable solids before biological treatment, producing primary sludge. Secondary clarifiers remove biomass from the aerated water, producing secondary sludge. Common clarifier designs include circular and rectangular shapes. The clarification process involves the settling of heavier solids to the bottom of the tank due to gravity, while scum and lighter materials float to the surface.
Water Treatment
We are manufacturer & supplier of wide range of water treatment plant in India. Get information on water treatment plants and contact verified water treatment plants manufacturers. Visit Now.
Water purification and methods
The document discusses water purification and the necessity of purifying water for human consumption. It outlines the early issues with using untreated surface water which led to waterborne diseases. As civilization advanced, methods for treating water were developed to remove impurities and make water safe. The purification process involves screening, chemical addition, coagulation, flocculation, sedimentation, filtration, disinfection, and storage before distribution. Purifying water is necessary to remove suspended solids, bacteria, dissolved salts and other factors to ensure water quality meets standards and is safe for health.
Drinking Water Treatment Process
The document summarizes the water treatment process. Raw water is taken from sources like lakes and rivers and contains particles like viruses, bacteria, and sediments. It then goes through coagulation, flocculation, sedimentation, filtration, and disinfection to remove harmful particles. Coagulants are added to help particles combine and form clumps that are then removed. The treated water is stored, distributed, and consumed by homes after ensuring it is clean and safe.
Final Year Project Proposal-Water purification System
Proposal presentation of our final year project...includes
- Water and life
- Water Purification Technologies
- Our proposed solution
- Estimated budget
-Etc.
Wastewater treatment by ag
The document discusses wastewater treatment and its various stages. Wastewater treatment involves applying engineering techniques to change the physical, chemical, or biological properties of water so that it can be disposed of safely or reused. It goes through various stages including pre-treatment to remove solids, primary treatment where gravity is used to separate solids from water, secondary treatment using bacteria and algae to break down organic matter, and final treatment to further remove solids before being disposed or reused. The sludge from treatment is also processed, stabilized, and applied to agricultural fields. Monitoring is done at the plant and by government agencies to ensure safety.
Water Treatment Process (Screening)
The document discusses the water treatment process, which involves removing pollutants from raw water through screening and filtering to produce safe water for human use. The screening process removes wood chips, leaves, and other floating impurities. This creates a more compact suspended material and allows the water to flow into chambers where settled material collects on the bottom. Screening restricts solid waste from entering the water treatment plant and prevents equipment damage while preparing the water for subsequent treatment steps.
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.
Water purification by samrat gurung
The document discusses methods of water purification on both large and small scales. On a large scale, purification involves storage, filtration using slow sand or rapid sand filters, and disinfection through boiling, chemicals like bleaching powder and chlorine, or filtration. On a small scale, common methods are boiling, sunlight exposure, and chlorination using household bleach. In Pokhara, the main method used by the water corporation is chemical treatment using bleaching powder at the water supply centers.
Biological Treatment of Organic Waste, Tomato Waste Water Treatment, Agro-Ind...
Biological Treatment of Organic Waste, Tomato Waste Water Treatment, Agro-Industrial Wastes, Oxalic Acid from Jute Stick, Liquid Manure into a Solid, Cotton Processing Waste, Fish Waste, Bioconversion of Pretreated Wheat Straw and Sunflower Stalks to Ethanol, Pig Waste, Oxytetracycline, Methane from Cattle Waste, Agricultural Waste Treatment, Waste of Dehydrated Onion, Beef-Cattle Manure Slurry, Meat Meal and Algae for Calves, Wastes from Large Piggeries
Biological treatment is an important and integral part of any wastewater treatment plant that treats wastewater from either municipality or industry having soluble organic impurities or a mix of the two types of wastewater sources. The obvious economic advantage, both in terms of capital investment and operating costs, of biological treatment over other treatment processes like chemical oxidation; thermal oxidation etc. has cemented its place in any integrated wastewater treatment plant.
Biological treatment using aerobic activated sludge process has been in practice for well over a century. Increasing pressure to meet more stringent discharge standards or not being allowed to discharge treated effluent has led to implementation of a variety of advanced biological treatment processes in recent years.
See more
https://goo.gl/jJUKzH
https://goo.gl/kDfBgp
https://goo.gl/LqXVPi
Contact us:
Niir Project Consultancy Services
An ISO 9001:2015 Company
106-E, Kamla Nagar, Opp. Spark Mall,
New Delhi-110007, India.
Email: npcs.ei@gmail.com , info@entrepreneurindia.co
Tel: +91-11-23843955, 23845654, 23845886, 8800733955
Mobile: +91-9811043595
Website: www.entrepreneurindia.co , www.niir.org
Tags
Biological Treatment, Organic-Waste Treatment, Biological Treatment of Organic Waste, Biological Wastewater Treatment, Biological Treatment Plant or Organic Waste, Organic Solid Waste Biological Treatment, Biological Treatment Plant, Microorganisms in Organic Waste Disposal, Biological Treatment of Waste, Process for Biological Treatment of Organic Waste, Biological Treatment Process, Organic Waste Treatment, Organic Waste Recycling, Organic Waste Forms and Treatment Strategies, Biological Waste Treatment and Utilization, Transformation of Liquid Manure into Solid, Tomato Waste Water Treatment, Treatment of Wastewater from Peeled Tomato, Tomato Cleaning and Water Recycle, Preparation of Oxalic Acid from Jute Stick, Oxalic Acid Manufacture, Oxalic Acid from Jute Stick, Digestion of Cotton Processing Waste, Properties of Sorghum Stalk, Physical and Mechanical Properties of Sorghum Stalk, Biological Fermentation of Fish Waste, Fermentation of Fish Waste, Fermented Fish Waste, Fish Waste in Fermentation, Agro-industrial Wastes, Agro-industrial wastes utilization, Recycling of Agro-Industrial Wastes, Modelling of Agricultural Waste Treatments, Utilization of Waste of Dehydrated Onion, Utilization of Waste Products of Dehydrated Onion Industry,
Introduction to Water Treatment Engineering
This document provides an overview of water treatment engineering. It discusses the objectives of water treatment, which are to supply clean and safe drinking water. It outlines the typical stages in a water treatment system, including intake, aeration/air stripping, coagulation/flocculation, sedimentation, filtration, and disinfection. The document also discusses some of the 21st century challenges facing water treatment, such as disinfection byproducts, emerging pathogens, and trace contaminants. Coursework is graded through assignments, tests, and a final exam.
Glossary
This document provides definitions for terms related to water and wastewater treatment. It includes a glossary section with over 100 definitions of technical terms. The document also notes that the definitions are copyrighted and reproduced with permission from the Office of Water Programs at California State University, Sacramento. Contact information is provided for those seeking the original source documents containing these definitions.
Water purification
Water purification without electricity can be achieved through various physical and biological processes. Untreated water sources like rivers and reservoirs require sedimentation to allow dirt and debris to settle. The water then passes through a multi-layer filter of gravel, pebbles, sand and charcoal. Each layer removes different impurities. Charcoal filtration is effective at removing toxins and odors without chemicals. It produces healthy, safe drinking water in an affordable way suitable for off-grid areas.
Water technology
Water is one of the most important substances on earth. All plants and animals must have water to survive. If there was no water there would be no life on earth.It is most important that the water which people drink and use for other purposes is clean water. This means that the water must be free of germs and chemicals and be clear (not cloudy).
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Final Year Project Proposal-Water purification System
Final Year Project Proposal-Water purification System
Biological Treatment of Organic Waste, Tomato Waste Water Treatment, Agro-Ind...
Biological Treatment of Organic Waste, Tomato Waste Water Treatment, Agro-Ind...
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Oil
Oil-water separators are devices used to remove oils, greases, and sometimes solids from industrial wastewater and stormwater. They use physical or chemical separation methods like gravity separation, filters, coagulation, and flotation. The design and selection of an oil-water separator depends on factors like the type and size of oil droplets, oil density, water viscosity and flow rate, desired discharge water quality, and the range of oil concentrations. Parallel plate separators use upward flow through media to allow oil to coalesce, float to the surface, and be collected while cleaner water is decanted off.
Carbon filtering
The document discusses two types of carbon filters used in water filtration: carbon block filters and granular activated carbon filters. Both use activated carbon to adsorb contaminants via chemical adsorption and catalyst reduction. Carbon block filters are more efficient at contaminant removal due to the solid carbon block structure allowing longer water contact, while granular activated carbon filters can process higher water flow rates. Activated carbon filters are effective at removing chlorine, organics, and odor/taste from water sources.
Enviro 2016
A retention basin manages stormwater runoff by containing surge and releasing it slowly to prevent flooding and downstream erosion while improving water quality. It acts as a replacement for natural absorption processes lost during development. Surface runoff is stored permanently in ponds, allowing increased stormwater management and quality enhancement through natural processes like sedimentation, algal and wetland plant uptake, and bacterial decomposition. Retention basins require a large area of land and are only applicable where there is high rainfall and available free space.
Ion exchange
Ion exchange is a water treatment method where undesirable ions in water are removed by being swapped with less objectionable ions from an exchange substance. Both the contaminant ions and exchange ions must have the same electrical charge and be dissolved. There are cation exchangers that remove positively charged ions, anion exchangers that remove negatively charged ions, and amphoteric exchangers that remove both. Ion exchange has advantages like long resin life, cheap maintenance, and being environmentally friendly, but disadvantages like fouling of resins from substances in some waters.
Slide radhi
Electrocoagulation is a technique used to treat wastewater, industrial process water, and ground/surface water by introducing an electric current to sacrificial metal electrodes placed in the water. During electrolysis, ions are released from the anodes that neutralize particle charges in the water, causing contaminants to coagulate and be removed. It has been shown to effectively remove suspended solids, oils, heavy metals, organic compounds, bacteria and viruses. While electrocoagulation can be an expensive process and issues like electrode passivation can reduce efficiency, it has wide applications in water treatment for industries, sewage, and pretreatment.
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.
Ultraviolet Disinfection - Ummi Nuraihan Mohd Rizal
This document summarizes ultraviolet (UV) disinfection. It explains that UV disinfection uses UV light to instantly neutralize microorganisms as they pass by submerged UV lamps. The process adds no chemicals to water and has no impact on water chemistry. UV disinfection units consist of one or more UV lamps in a conduit through which water flows, separated from the lamps by a transparent material. The required UV dose depends on factors like temperature, pH, and number of microorganisms present. UV disinfection is effective against bacteria, viruses, and protozoa but more difficult for Ascaris eggs. Safety precautions are needed when operating UV disinfection units.
Treatment Pond
This document discusses how treatment ponds can be used to treat lightly polluted or wastewater through natural processes. Treatment ponds work in all environments and use aerobic and anaerobic bacteria as well as algae to break down waste materials through oxidation and other reactions, with shallower ponds being aerobic and deeper ponds being anaerobic. The type of pond used depends on factors like the temperature, pH, and content of the water as well as the type of wastewater and location.
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This document discusses photobioreactors, which are bioreactors that use light to cultivate phototrophic microorganisms. Photobioreactors allow for carefully controlled conditions that enable higher growth rates than what is possible in natural environments. They can potentially use nutrient-rich wastewater and carbon dioxide from flue gases to derive phototrophic biomass. The document describes open and closed photobioreactor systems. Open systems like ponds have limited productivity due to depth and light availability, while closed systems can achieve higher cell densities but require more advanced engineering. The document outlines the wastewater treatment process using a photobioreactor and notes their advantages in preventing contamination and better controlling conditions.
Lamella clarifier - Khaleeda bt Abdul Karim
Lamella clarifiers are inclined plate settlers used for industrial wastewater treatment that separate low concentration slurries and solid particles from water via gravity settling. They consist of a series of inclined plates that allow wastewater to flow continuously down while solids settle to the bottom for removal. Lamella clarifiers operate continuously with no mechanical parts, have a small footprint, short filling/emptying times but require regular maintenance and do not store settled sludge.
Desalination
Desalination is the process of removing salt and minerals from saline water to produce fresh water suitable for human consumption or irrigation. It involves pre-treating saline water from oceans to remove particles, then using reverse osmosis membranes to separate dissolved minerals and salts from the water. The fresh water is then conditioned and disinfected before being distributed. Desalination provides clean drinking water but has disadvantages such as high costs, environmental impacts from waste and chemicals, large land use, and high energy consumption.
Filtration Process
Filtration is a process that separates solids from fluids by passing the fluid through a medium that allows only the fluid to pass. The fluid that passes through is called the filtrate. Filtration is used to separate particles and fluids in applications like water treatment, sewage treatment, and chemical engineering. There are different types of filtration like hot filtration, cold filtration, vacuum filtration, surface filtration, and depth filtration that use various methods and filter media depending on the application. Biofiltration is a pollution control technique that uses living materials in a bioreactor to capture and degrade pollutants, and is commonly used for wastewater treatment.
Sand filter
This document discusses different types of sand filters used to filter water, including slow sand filters and rapid sand filters. It explains that sand filters work by allowing waste water full of sludge to pour into the sand, where the sludge is stuck in the sand and filtered out. The filtered water then moves through the sand using gravity or pressure and goes to the next treatment stage. Sand filters have applications for biosand filters, aquarium filters, and pool filters.
Clarifier by Adam
Clarifiers are settling tanks used to remove solid particles and suspended solids from liquids through sedimentation. They work by allowing liquids to pass through while solids settle to the bottom of the tank or float to the surface. Clarified liquid is then removed from the top for further treatment or use, while concentrated solids collected at the bottom, known as sludge, are removed for additional processing. Clarifiers are commonly used in wastewater treatment plants to remove solids before water is discharged or undergoes further treatment.
Froth+flotation
Flotation is a process used to separate minerals from gangue by making some particles hydrophobic and causing them to attach to air bubbles. This allows selective extraction of valuable minerals like copper, lead, and zinc from polymetallic ores. It involves making the desired minerals hydrophobic using surfactants, then aerating the slurry to introduce bubbles. The hydrophobic minerals attach to the bubbles and float to the surface to be removed, while the gangue sinks. This separation relies on differences in wettability between minerals and gangue. Flotation provides advantages over sedimentation like higher processing rates and ability to recover low density particles.
Coagulation and FLOCCULATION
The document discusses coagulation and flocculation as a water treatment process. Coagulation involves adding positively charged chemicals to destabilize negatively charged particles in water by neutralizing their charge. Flocculation then occurs, where the destabilized particles collide and form larger flocs that are more easily removed by sedimentation or filtration. Common coagulants used are metal salts like aluminum and iron salts, as well as organic polymers. The overall process destabilizes particles, increases their size into flocs, and then separates the flocs physically from the water.
Reverse Osmosis
Reverse osmosis is a process where an applied pressure is used to force a concentrated solution through a semi-permeable membrane to separate out water molecules. It works by allowing water molecules to pass through the membrane while preventing dissolved salts, particles, organics, bacteria, and other contaminants from passing. Factors like temperature, pressure, and salt concentration affect the performance and permeate flow rate, with higher temperatures and pressures increasing flow. Reverse osmosis has applications in industries like food/beverage processing for concentrating liquids, drinking water purification, and dairy for milk concentration.
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https://www.oeconsulting.com.sg/training-presentations]
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- 1. ACTIVATED SLUDGE PROCESS AMIRA BINTI AZMAN 55102215023
- 2. ACTIVATED SLUDGE PROCESS Activated sludge-accumulation of microorganisms A biological wastewater treatment process, which speeds up waste decomposition. Purpose-to degrade organic -to remove nutrients from wastewater -to produce a high-quality effluent
- 3. ACTIVATED SLUDGE PROCESS Second clarifier To separate the activated sludge from water Aeration tank the oxygen is injected Bacteria will growth and eat dissolved organic matter The other specific bacteria will oxidize the ammonia into nitrates Return activated sludge To begin the process of activated sludge again Effluent will go for further treatment
- 5. THANK YOU