This presentation Focused on Air pollution its Sources Effects& Prevention.It further describes Noise pollution Sources,physiological effects,Measures,prevention & Control of noise pollution
incredible india and environmental concernsvivek shah
environmental concerns in india,
environmental effects in india,
environemntal concerns in india,
incredible india,
pollution in india,
solutions to pollution in india,
Textile processing toxicity and health hazard. Green Environment Ideas (Bangl...md sohag miah
Textile processing toxicity and health hazard. (Bangladesh perspective)
Presentation on green chemistry: Donghua University, Shanghai. China.
This PPT mainly describes the textile dyes and chemically made health hazards to the workers and surrounding environmental peoples of the textile industry (of Bangladesh).
This document discusses smog and air pollution in Delhi, India. It provides background on smog, noting that it is a mixture of smoke and fog composed of pollutants from coal emissions, vehicular emissions, industrial emissions, and more. It then outlines some health effects of smog like irritation of the eyes and respiratory system, worsening of asthma symptoms, and lung damage. Charts and data show the main sources of particulate matter pollution in Delhi and dangerously high levels of various pollutants beyond permissible limits. The document concludes with information on air quality indices and images related to the smog conditions in Delhi.
A case study on Air pollution due to Automobile Exhaust in Bengaluru IRJET Journal
This document summarizes a case study on air pollution due to automobile exhaust in Bengaluru, India. It finds that rapid population growth and increased vehicle ownership have led to higher emissions and degraded air quality. Vehicle exhaust is a major source of air pollution in the city. The study analyzed registered vehicle data and identified pollutants from exhaust. It recommends remote vehicle emissions sensing, engine modifications, fewer driving days, and stronger emissions testing to reduce pollution and improve the environment.
Air pollution is a major public health issue in India, especially in Delhi which has the dirtiest air of any city worldwide according to WHO. Chronic exposure to air pollution significantly increases health risks and diseases like asthma and COPD. While people spend most of their time indoors, indoor air can be 3-5 times more polluted than outdoor air. New technologies like PHIO+ and CPT can effectively purify indoor air and improve health by generating oxidizing ions and plasma to eliminate pollutants, microbes, and odors while also saving energy. These technologies can help maintain healthy indoor air quality in homes and buildings.
Environmental issues in Delhi threaten the health and well-being of its inhabitants and wildlife. The city suffers from severe air and water pollution. During autumn and winter, crop burning results in smoke and air pollution blowing over Delhi. The Yamuna River, which Delhi depends on for water, is heavily polluted with dissolved oxygen levels and coliform bacteria counts far exceeding acceptable levels due to waste and sewage entering the river. Air pollution is caused mainly by industry and traffic, and may cause thousands of premature deaths annually. Overpopulation and resource overuse put heavy pressure on Delhi's environment.
This document discusses air pollution issues in Delhi and actions taken to improve air quality. It notes that in the late 1990s, health concerns prompted first generation actions like switching to compressed natural gas for public transport. This led to major reductions in emissions. However, rapid growth in vehicles has caused pollution levels to rise again. More analysis is needed on population exposure levels and health impacts. Second generation actions must address both legacy pollution sources and curb explosive motorization growth through stringent emission standards and alternative fuels.
incredible india and environmental concernsvivek shah
environmental concerns in india,
environmental effects in india,
environemntal concerns in india,
incredible india,
pollution in india,
solutions to pollution in india,
Textile processing toxicity and health hazard. Green Environment Ideas (Bangl...md sohag miah
Textile processing toxicity and health hazard. (Bangladesh perspective)
Presentation on green chemistry: Donghua University, Shanghai. China.
This PPT mainly describes the textile dyes and chemically made health hazards to the workers and surrounding environmental peoples of the textile industry (of Bangladesh).
This document discusses smog and air pollution in Delhi, India. It provides background on smog, noting that it is a mixture of smoke and fog composed of pollutants from coal emissions, vehicular emissions, industrial emissions, and more. It then outlines some health effects of smog like irritation of the eyes and respiratory system, worsening of asthma symptoms, and lung damage. Charts and data show the main sources of particulate matter pollution in Delhi and dangerously high levels of various pollutants beyond permissible limits. The document concludes with information on air quality indices and images related to the smog conditions in Delhi.
A case study on Air pollution due to Automobile Exhaust in Bengaluru IRJET Journal
This document summarizes a case study on air pollution due to automobile exhaust in Bengaluru, India. It finds that rapid population growth and increased vehicle ownership have led to higher emissions and degraded air quality. Vehicle exhaust is a major source of air pollution in the city. The study analyzed registered vehicle data and identified pollutants from exhaust. It recommends remote vehicle emissions sensing, engine modifications, fewer driving days, and stronger emissions testing to reduce pollution and improve the environment.
Air pollution is a major public health issue in India, especially in Delhi which has the dirtiest air of any city worldwide according to WHO. Chronic exposure to air pollution significantly increases health risks and diseases like asthma and COPD. While people spend most of their time indoors, indoor air can be 3-5 times more polluted than outdoor air. New technologies like PHIO+ and CPT can effectively purify indoor air and improve health by generating oxidizing ions and plasma to eliminate pollutants, microbes, and odors while also saving energy. These technologies can help maintain healthy indoor air quality in homes and buildings.
Environmental issues in Delhi threaten the health and well-being of its inhabitants and wildlife. The city suffers from severe air and water pollution. During autumn and winter, crop burning results in smoke and air pollution blowing over Delhi. The Yamuna River, which Delhi depends on for water, is heavily polluted with dissolved oxygen levels and coliform bacteria counts far exceeding acceptable levels due to waste and sewage entering the river. Air pollution is caused mainly by industry and traffic, and may cause thousands of premature deaths annually. Overpopulation and resource overuse put heavy pressure on Delhi's environment.
This document discusses air pollution issues in Delhi and actions taken to improve air quality. It notes that in the late 1990s, health concerns prompted first generation actions like switching to compressed natural gas for public transport. This led to major reductions in emissions. However, rapid growth in vehicles has caused pollution levels to rise again. More analysis is needed on population exposure levels and health impacts. Second generation actions must address both legacy pollution sources and curb explosive motorization growth through stringent emission standards and alternative fuels.
IMPACT OF DYES ON ENVIRONMENT & REMEDIATIONpgayatrinaidu
This document discusses dyes, their environmental impacts, and remediation measures. It begins with an overview of dyes and their types, then describes their industrial applications and impacts on air and water pollution. Several harmful effects of dyes are outlined, such as toxicity, carcinogenicity, and negative impacts on aquatic environments. The document concludes by presenting some remediation measures like cleaner production technologies, activated carbon absorption, air dyeing, and ultrasound-assisted dyeing to mitigate pollution.
The document discusses the management of hazardous waste in India. It provides details on:
- The types of hazardous waste generated by different industries in India and concentration limits set by the Ministry of Environment and Forests.
- The key laws and regulations around hazardous waste management in India, including the roles of different government agencies.
- Challenges around hazardous waste disposal in India, including pollution of air, water and soil from improper handling and risks to human and environmental health.
The document discusses India's management of hazardous waste. It provides context on the growth of industry and pollution in India. It outlines the key rules and regulations for hazardous waste management, including the Hazardous Wastes Management Rules. It discusses the amounts and sources of hazardous waste produced annually in India. It also lists concentration limits and classes of hazardous substances, as well as processes that generate hazardous wastes, as defined by India's Hazardous Wastes Management rules.
Environment is one of the most important determinant of health. It includes the physical,biological and psychosocial environment. sustainable environment is needed to acquire good health. Environment is effected by many factors, so health is.
Air pollution is caused by the introduction of harmful chemicals, particles, or materials into the atmosphere. Major sources of air pollution include vehicle emissions, industrial activities, and greenhouse gases. The main pollutants from vehicles are carbon monoxide, hydrocarbons, nitrogen oxides, carbon dioxide, and particulate matter. These pollutants can negatively impact human health, causing issues like respiratory diseases, impaired lung function, and cancer. India faces serious air pollution problems, especially in cities like Delhi which has some of the highest levels of PM2.5 and PM10 particles in the world. Long-term exposure to air pollution has reduced lifespans in India.
Human activities release naturally occurring hydrogen sulphide into the air, forming it during processes like coke production and waste water treatment. It has unpleasant odors and can cause neurological symptoms in workers exposed to over 30 micrograms per cubic meter. Combustion of fuels releases polynuclear aromatic hydrocarbons, which cause cancers. Particulate matter in air comes from various natural and industrial sources, with 100 micrograms considered the safe daily limit. Air pollution is a major issue in India, with many of the most polluted cities globally located there. Sources of pollution include dust, waste burning, vehicles, and domestic cooking. Air pollution negatively impacts health, increasing risks of respiratory and cardiac diseases. Various efforts are being made
This document discusses the dyes and pigments industry in India and sustainability practices within the industry. It provides an overview of the industry, noting that it has transformed from import-dependent to export-driven. It also lists some of the harmful environmental effects of the industry. The document then discusses why sustainable processes are important from economic, social, and environmental perspectives. It provides examples of sustainable practices implemented by Indian and international companies in the industry, such as waste water recycling, natural dyeing processes, and reducing use of hazardous chemicals.
This document presents an overview of environmental pollution in Chittagong, Bangladesh. It discusses the main types of pollution including air, water, noise, and soil pollution. Specific examples of each type of pollution affecting Chittagong are provided. The conclusion emphasizes that environmental pollution in Chittagong is a significant issue requiring urgent government and private sector attention through implementing sustainable practices like pollution control technologies, waste disposal, and environmental regulations.
The textile industry is one of the important industries which generates large amount of industrial effluents each year causing the main source of water pollution which is not only harmful for aquatic life but also mutagenic to human. It cause negative impact on environment as well as human beings.
The Asia Pro Eco Programme aims to promote environmental protection and technology partnerships between EU member states and Asia. The SACODI project specifically seeks to develop guidelines for segregating, collecting, and safely disposing of hazardous waste in India, Vietnam, and other Asian countries. It involves universities from Germany, India, Vietnam, and the UK working with industries and communities to study hazardous waste management practices and issues, and develop training and guidance materials.
1) The document discusses sources, effects, and prevention of air pollution. It defines air pollution and discusses four main sources: mobile, stationary, area, and natural sources.
2) The effects section outlines both short-term impacts like headaches and long-term risks such as respiratory disease, heart disease, and damage to major organs.
3) Prevention methods mentioned include using public transportation instead of personal vehicles, planting more trees, and preparing compost from biodegradable waste rather than burning it.
The document discusses the environmental and human impacts of the textile industry. It notes that while people originally used textiles to fulfill basic needs, fashion has led to a large increase in production and consumption straining natural resources. Rapid industrialization and the use of chemicals, dyes, and synthetic fibers contributes to deforestation, fossil fuel and water usage, water pollution, and releases hazardous chemicals. This impacts both the environment and human health. The document calls for more sustainable textile production methods.
IRJET- Application of Agricultural Waste for the Adsorption of Textile Colora...IRJET Journal
The document discusses the use of agricultural waste as a low-cost adsorbent for removing textile dyes from wastewater. Textile dyeing and processing produces large volumes of wastewater containing dyes and other pollutants that are difficult to treat and can be toxic if released into water sources. The review examines using agricultural byproducts as affordable adsorbents for treating textile wastewater as an alternative to more expensive activated carbon.
Pollution being an endangerment to the living beings present all over the globe which impinges people's lives everyday. Major life threatening illnesses have been reported worldwide due to chronic exposure to pollution.WHO reports 6.5million premature deaths every year due to pollution which is a major threat to the human existence.This presentation discusses about the different types of pollution, its health effects, the steps being taken to control pollution in India and the ways to control the pollution. I hope this helps atleast a bit to make the world a better place for us to live!!
1) Air pollution is a major global issue that is deteriorating air quality and posing immense health problems and economic costs in Sri Lanka.
2) The main contributors to air pollution in Sri Lanka are motor vehicles (55-60%), industries (20-25%), and domestic sources (20%).
3) The health hazards of air pollution include respiratory diseases, cardiovascular issues, and cancer. Particulate matter is especially hazardous.
This document provides an analysis of urban issues and proposed solutions in Gopalganj Municipality, Bangladesh. It discusses several key issues facing the urban environment: solid waste management, drinking water salinity, unplanned landfilling, open dumping of waste, noise pollution, water pollution from various sources, and unplanned development. The document presents results from a study conducted in the municipality, analyzing the current state of the environment and impacts on residents. It concludes that the overall environmental status is moderate and requires more monitoring and maintenance to improve conditions for residents of Gopalganj Municipality.
This document provides an analysis of urban issues and proposed solutions in Gopalganj Municipality, Bangladesh. It discusses several key issues facing the urban environment: solid waste management, drinking water salinity, unplanned landfilling, open dumping of waste, noise pollution, water pollution from various sources, and unplanned development. The document presents results from a study conducted in the municipality, analyzing the current situations and impacts of these issues through figures and data collected. It concludes that the overall environmental status is moderate and requires more monitoring and maintenance to improve conditions.
This document discusses various types of environmental pollution including air pollution, water pollution, solid wastes, and noise pollution. It provides details on the causes and effects of air pollution, as well as methods to control air pollution such as the use of electrostatic precipitators, scrubbers, and catalytic converters in automobiles. The document also discusses various laws and standards introduced in India to regulate pollution, such as the Water Pollution Act, Euro emission standards, and details a case study on reducing air pollution in Delhi.
E-WASTE PRESENTED BY Prateek kumar rjit gwalior mp(8269262630)Prateek Kumar
This document discusses electronic waste (e-waste) in India. It notes that 80% of e-waste collected in the US is exported to developing countries like India due to cheaper labor and lack of import restrictions. In India, e-waste recycling is largely done by the informal sector without proper health and safety measures, harming the environment and human health. The document outlines challenges around e-waste management in India and calls for stronger regulations, including extended producer responsibility and import controls, to promote safer and more sustainable e-waste practices.
TOPIC 1.4 Distribution & Geological characters of Major Rock formations India...Dr.Anil Deshpande
The document discusses the major rock formations in India, including the Archaean, Cuddapah, Vindhyian, and Gondwana systems. It provides details on the lithology, structure, occurrence, economic minerals, and use of building stones for each system. The Archaean system includes the oldest metamorphic rocks and occurs over two thirds of peninsular India. The Cuddapah system derives from a basin in Andhra Pradesh and contains quartzites, slates, and limestones. The Vindhyian system unconformably overlies the Archaean or Cuddapah systems and contains sandstones, slates, and limestones. The Gondwana system ranges from
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This document discusses dyes, their environmental impacts, and remediation measures. It begins with an overview of dyes and their types, then describes their industrial applications and impacts on air and water pollution. Several harmful effects of dyes are outlined, such as toxicity, carcinogenicity, and negative impacts on aquatic environments. The document concludes by presenting some remediation measures like cleaner production technologies, activated carbon absorption, air dyeing, and ultrasound-assisted dyeing to mitigate pollution.
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Environment is one of the most important determinant of health. It includes the physical,biological and psychosocial environment. sustainable environment is needed to acquire good health. Environment is effected by many factors, so health is.
Air pollution is caused by the introduction of harmful chemicals, particles, or materials into the atmosphere. Major sources of air pollution include vehicle emissions, industrial activities, and greenhouse gases. The main pollutants from vehicles are carbon monoxide, hydrocarbons, nitrogen oxides, carbon dioxide, and particulate matter. These pollutants can negatively impact human health, causing issues like respiratory diseases, impaired lung function, and cancer. India faces serious air pollution problems, especially in cities like Delhi which has some of the highest levels of PM2.5 and PM10 particles in the world. Long-term exposure to air pollution has reduced lifespans in India.
Human activities release naturally occurring hydrogen sulphide into the air, forming it during processes like coke production and waste water treatment. It has unpleasant odors and can cause neurological symptoms in workers exposed to over 30 micrograms per cubic meter. Combustion of fuels releases polynuclear aromatic hydrocarbons, which cause cancers. Particulate matter in air comes from various natural and industrial sources, with 100 micrograms considered the safe daily limit. Air pollution is a major issue in India, with many of the most polluted cities globally located there. Sources of pollution include dust, waste burning, vehicles, and domestic cooking. Air pollution negatively impacts health, increasing risks of respiratory and cardiac diseases. Various efforts are being made
This document discusses the dyes and pigments industry in India and sustainability practices within the industry. It provides an overview of the industry, noting that it has transformed from import-dependent to export-driven. It also lists some of the harmful environmental effects of the industry. The document then discusses why sustainable processes are important from economic, social, and environmental perspectives. It provides examples of sustainable practices implemented by Indian and international companies in the industry, such as waste water recycling, natural dyeing processes, and reducing use of hazardous chemicals.
This document presents an overview of environmental pollution in Chittagong, Bangladesh. It discusses the main types of pollution including air, water, noise, and soil pollution. Specific examples of each type of pollution affecting Chittagong are provided. The conclusion emphasizes that environmental pollution in Chittagong is a significant issue requiring urgent government and private sector attention through implementing sustainable practices like pollution control technologies, waste disposal, and environmental regulations.
The textile industry is one of the important industries which generates large amount of industrial effluents each year causing the main source of water pollution which is not only harmful for aquatic life but also mutagenic to human. It cause negative impact on environment as well as human beings.
The Asia Pro Eco Programme aims to promote environmental protection and technology partnerships between EU member states and Asia. The SACODI project specifically seeks to develop guidelines for segregating, collecting, and safely disposing of hazardous waste in India, Vietnam, and other Asian countries. It involves universities from Germany, India, Vietnam, and the UK working with industries and communities to study hazardous waste management practices and issues, and develop training and guidance materials.
1) The document discusses sources, effects, and prevention of air pollution. It defines air pollution and discusses four main sources: mobile, stationary, area, and natural sources.
2) The effects section outlines both short-term impacts like headaches and long-term risks such as respiratory disease, heart disease, and damage to major organs.
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The document discusses the environmental and human impacts of the textile industry. It notes that while people originally used textiles to fulfill basic needs, fashion has led to a large increase in production and consumption straining natural resources. Rapid industrialization and the use of chemicals, dyes, and synthetic fibers contributes to deforestation, fossil fuel and water usage, water pollution, and releases hazardous chemicals. This impacts both the environment and human health. The document calls for more sustainable textile production methods.
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The document discusses the use of agricultural waste as a low-cost adsorbent for removing textile dyes from wastewater. Textile dyeing and processing produces large volumes of wastewater containing dyes and other pollutants that are difficult to treat and can be toxic if released into water sources. The review examines using agricultural byproducts as affordable adsorbents for treating textile wastewater as an alternative to more expensive activated carbon.
Pollution being an endangerment to the living beings present all over the globe which impinges people's lives everyday. Major life threatening illnesses have been reported worldwide due to chronic exposure to pollution.WHO reports 6.5million premature deaths every year due to pollution which is a major threat to the human existence.This presentation discusses about the different types of pollution, its health effects, the steps being taken to control pollution in India and the ways to control the pollution. I hope this helps atleast a bit to make the world a better place for us to live!!
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2) The main contributors to air pollution in Sri Lanka are motor vehicles (55-60%), industries (20-25%), and domestic sources (20%).
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#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
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#Prerequisites:
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Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
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2. What is air pollution?
• contamination of the air
by noxious gases and
minute particles of solid
and liquid matter
(particulates) in
concentrations that
endanger health
• Air pollution only occurs
outdoors
Dr.A.V.Deshpande
Dr.A.V.Deshpande Sanjivani College
Of Engineering Kopargaon
.Ahmednagar , Maharashtra
2
3. ORGANIC AIR POLLUTANTS
Benzene
Carbon disulfide
Carbon monoxide
1,2-Dichloroethane
Dichloromethane
Formaldehyde
Polycyclic aromatic hydrocarbons (PAHs)
Polychlorinated biphenyls (PCBs)
Toluene
Trichloro ethylene
Vinyl chloride
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
3
4. INORGANIC AIR POLLUTANTS
Arsenic (Carcinogenic)
Asbestos (Carcinogenic)
Cadmium (Carcinogenic)
Chromium (Carcinogenic)
Fluoride (Dental and skeletal Fluorosis)
Lead (Carcinogenic)
Manganese (deficiency can disrupt the central nervous system
and reproductive functions)
Nickel (lung cancer)
Copper (Anaemia, diarrhoea can be caused due to Cu
deficiency)
29 April 2020
Dr.A.V.Deshpande Sanjivani College Of
Engineering Kopargaon .Ahmednagar ,
Maharashtra
4
5. CLASSICALAIR POLLUTANTS
Nitrogen dioxide
Ozone and other photochemical oxidants
Particulate matter
Sulfur dioxide
29 April 2020
Dr.A.V.Deshpande
Sanjivani College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
5
6. Sources of Outside Air Pollution
• Combustion of gasoline and
other hydrocarbon fuels in
cars, trucks, and airplanes
• Burning of fossil fuels (oil, coal,
and dinosaur bones)
• Insecticides
• Herbicides
• Everyday radioactive fallouts
• Dust from fertilizers
• Mining operations
• Livestock feedlots
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
6
7. • A major form of air pollution is emissions
given off by vehicles.
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
7
8. What’s in smog
• particulates
(especially lead)
• nitrous oxides
• potassium
• Carbon monoxide
• Other toxic chemicals
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
8
9. Sources of Indoor pollution
• Efficient insulation
• Bacteria
• Viruses
• animal dander and cat saliva
• plants
• house dust
• Mites
• Cockroaches
• pollen
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
9
10. Effects on the environment
• Acid rain
• Ozone depletion
• Global warming
• In human population-
respiratory problems,
allergies, strengthens
lugs, and a risk for
cancer
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
10
11. Acid rain
• contains high levels of sulfuric
or nitric acids
• contaminate drinking water
and vegetation
• damage aquatic life
• erode buildings
• Alters the chemical equilibrium
of some soils
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra 11
12. 29 April 2020 Dr.A.V.Deshpande Sanjivani College Of Engineering
Kopargaon .Ahmednagar , Maharashtra
12
13. policy
• Air Quality Management Plan
– Development of new
technology
electric cars
cleaner fuels
low nitrogen oxide boilers
and water heaters
zero polluting paints
less polluting lighter fluids
Use of natural gas
Carpooling
Follow the laws enacted
29 April 2020 Dr.A.V.Deshpande Sanjivani College Of Engineering
Kopargaon .Ahmednagar , Maharashtra
13
14. Urban Emissions
29 April 2020
Dr.A.V.Deshpande Sanjivani College Of Engineering
Kopargaon .Ahmednagar , Maharashtra 14
• There are small emissions of NOx from industrial
processes
• The main emissions are from combustion.
• There is negligible nitrogen in gasoline or diesel fuels so
the nitrogen oxides arise from the N2 and O2 in the air.
• Sulphur dioxides arise from the sulphur present in most
fuels.
• Particulate matter describes matter below 10μm
aerodynamic diameter.
15. Role of Engines and Fuel
• Different engines and fuel combinations
give out different emissions in different
quantities.
• Some engines have catalysts which
effectively remove part of the harmful
gases.
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
15
16. Particulate Matter (PM ) Pollution
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
16
- Traffic emissions including diesel engines
- Small combustion sources burnng coal and wood
- Reductions of SO2, N0x, NH3 and VOC
17. Ground level ozone
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
17
- Control to reduce ozone in cities
- N0x reduction from traffic
- Control of N0x emissions from ships
- Methane reduction
18. First effect of pollutants
• The herbicides used by the farmers as part of its weed control program, Due to
intensive agriculture and development of technology in the field of agriculture
there is vast scope for controlling weeds by using herbicides.
• At present due to expanding industrial areas, the villages workers are attracted
towards the industries for seeking the employment and created shortage of
labourers for cultivation of land.
• At present there is lot of scope for use of herbicide due to shortage of labourers
and increases in wages of farm labourers.
• Now a day due to the development of agriculture the certain herbicides are also
useful for controlling weeds in different crop combinations or cropping systems.
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
18
19. Health Risks
• Most herbicides pose a significant health risk to both humans if
the chemical substances if they come in contact with skin.
• Cancer is one of the cause due to pesticide contamination in
water, soil and vegetables.
• Organochlorine pesticides are of much concern in the
environment because of their long term persistence, toxicity as
well as bioaccumulation tendency.
• Organochlorine pesticide exposure has been associated with
human health risk of arthritis, skin disease, bone disorder, cancer
and nerve disorder.
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
19
21. Control measures for oil pollution
• Natural process of emulsification of oil by
use of chemical dispersants: can be
sprayed on the oil.
• Slick-lickers: continuous belt of absorbent
material dips through the oil slick & is
passed through rollers to extract oil.
• Rocks can be cleaned with high pressure
steam
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra
21
22. NOISE POLLUTION
• Defined as unwanted sounds that
unreasonably (a kind of harsh, loud and
confused sound), intruding into our daily
activities
• The most significant attributes of noise are:
i) Its loudness
ii) Duration
• The unit of noise is decibel.
• Human ear can tolerate noise up to 120
decibels.
29 April 2020
Dr.A.V.Deshpande Sanjivani College Of
Engineering Kopargaon .Ahmednagar ,
Maharashtra
22
23. Sources of NOISE POLLUTION
(i) Road Traffic:
Most prevalent and most damaging source
Impact of road traffic noise depends on factors like: road location & design, and land use
planning measures, building design, vehicle standards & driving behavior
(ii) Air Traffic
Noise from supersonic crafts are dangerous because of its intensity
(iii) Railways:
The level of noise associated with rail traffic is related to type of engine or rolling stock
used, speed of the train, track type & condition, warning signals at crossings, whistles &
horns, freight classification yards, & railroad construction & maintenance.
(iv) Industry
• Product fabrication
• Product assembly
• Power generation
• Processing.
(v) Construction: construction equipments.
(vi) Consumer products: recreational, hobbies/workshop, household, music.
(vii) Other sources: sirens, agricultural noise, noise from animals, humans & military
29 April 2020
Dr.A.V.Deshpande Sanjivani College Of Engineering
Kopargaon .Ahmednagar , Maharashtra 23
24. Measurement of Noise
• Noise intensity is measured in decibel (Db) units
• Decibel scale is logarithmic,
• Each 10 Db increase represents a 10 fold increase in
noise intensity
• distance diminishes the effective decibel level reaching
the ear.
e.g. Moderate auto traffic at a distance of 30 m rates
about 50 decibels, but for the same, for a driver with a
car window open or a pedestrian on the sidewalk, same
traffic rates about 70 decibels.
29 April 2020
Dr.A.V.Deshpande Sanjivani
College Of Engineering
Kopargaon .Ahmednagar ,
Maharashtra 24
25. Effects of Noise
• At 45 decibels of noise, average person cannot sleep,
• At 85 decibels hearing damage, & at 120 decibels ear
experiences pain.
• Lack of sleep, irritability, heartburn, indigestion, ulcers, high blood
pressure, & possibly heart disease
• Hearing loss
• Non-auditory physiological effects
– Annoyance
– Communication interference
• Following problems is created by noise pollution
1. Hypertension
2. Deafness
3. Irritation
29 April 2020 Dr.A.V.Deshpande Sanjivani College Of Engineering
Kopargaon .Ahmednagar , Maharashtra
25
26. Noise Pollution Control
Source path receiver concept: Can be controlled either
by reducing the noise at the source or by preventing
its transmission or by protecting the receiver
• At the source: lubrication of machines, tightening the
loose units, reducing the eccentricity
• In the path: keeping the noisy machine covered,
construction of noise barriers, sound-proofing of the
building
• Receiver: No use of horns other than in emergency,
vehicle engines and appliances in good Condition,
purchase the least noisy air conditioner or vacuum
cleaner/quieter appliances, rest areas away from
noise, turn down volume of Stereos.
29 April 2020
Dr.A.V.Deshpande Sanjivani College Of Engineering Kopargaon
.Ahmednagar , Maharashtra
26