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Air Pollution - Environmental Science - Lecture Notes, Study notes for Environmental Science. Indian Institute of Forest Management Indian Institute of Forest Management Environmental Science, Biology and Chemistry
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D ESC R IPT IO N This lecture is from Environmental Science. Key important points are: Air Pollution, Major Categories, Carbon Oxides, Sulfur Oxides, Nitrogen Oxides, Volatile Organic Compounds,
chakar 30 January 2013
Sulfur Dioxide, Nitrogen Dioxide, Photoche...
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Search in the document preview Search keyword... APES – Notes on Air Pollution, Chapters 20 and 21-9, 21-10 **KEY** Major categories of air pollutants Name of Air Pollutant Source Effects Carbon oxides Carbon monoxide* Combustion of carbon-based fuels (fossil fuels, wood) Interferes with body’s ability to carry oxygen in the blood, can cause death Carbon dioxide Combustion of carbon-based fuels (fossil fuels, wood) Contributes to increased greenhouse effect Sulfur oxides Sulfur dioxide* Combustion of fossil fuels, particularly coal Irritation to respiratory system, contributes to acid rain Nitrogen oxides Nitrogen oxides (NOx): nitric oxide (NO) and nitrogen dioxide* (NO2)
Combustion of carbon-based fuels (fossil fuels, wood) Irritation to respiratory system, contributes to acid rain and photochemical smog Volatile organic compounds (VOCs) Methane Naturally occurring gas, used as fuel, produced from cows Greenhouse gas, burning produces carbon dioxide CFCs Aerosols, refrigerants Ozone layer depletion; greenhouse gas Suspended particulate matter(SPM)* Dust, soot Burning fuel Respiratory effects Asbestos Fire-resistant materials Carcinogenic, lung cancer Lead* Combined in ores, used to make batteries, was used in paint and gasoline Nervous system, brain development of children Nitrate and sulfate salts Formed from nitrogen and sulfur oxides from combustion Acid rain effects Liquid droplets (sulfuric acid, PCBs, dioxins, and pesticides) Industry, agriculture, fossil fuels various Photochemical oxidants Ozone (O3)* Secondary pollutant, Formed from reaction of NOx and VOCs in heat and light Harmful to respiratory system comments (0)
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