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Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
Air pollution
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Air pollution

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  • 1. Presented by Dr. Sudhakar Kokate Director PPRC, India
  • 2. Air Atmospheric gases used in breathing and photosynthesis is Air By volume dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide and small amounts of gases Air also contains 1% water vapour PPRC/INDIA 01
  • 3. Air In earth’s troposphere and artificial atmospheres contain air suitable for the survival of plants and animals The study of atmospheric science is “aerology” PPRC/INDIA 02
  • 4. Composition of air Item % content O2 N2 Ar CO2 Ne He CH4 H2 Kr Ozone 20.946 78.084 0.9340 0.035 0.001818 0.000524 0.0001745 0.000055 0.000114 0 to 7 x 10 -6 PPRC/INDIA 03
  • 5. Most polluted cities CITY Cairo Delhi Kolkata Tianjina Chongqing Kanpur Lucknow Jakarta Shenyang COUNTRY Egypt India India China China India India Indonesia China PPRC/INDIA 04
  • 6. Facts about air pollution Introduction into the atmosphere of chemicals, particulate matter or biological materials that cause harm or discomfort to organisms Air pollution disturbs the ecological balance to a great extent Air pollutants: Primary : NO2, SO2, CO PPRC/INDIA 05
  • 7. Facts about air pollution Secondary pollutants: Ozone, Peroxyacetyl nitrate Major air pollutant – ozone (O3) We breathe 2 gallons of air / minute 30 million adults, children in US have been diagnosed with “Asthma” - NIEHS study PPRC/INDIA 06
  • 8. Facts about air pollution Air pollution in India is estimated to cause 527,700 deaths every year In US deaths due to air pollution every year is estimated as 50,000 80% lung cancers are caused due to air pollution by vehicles 750,000 deaths in China prematurely due to air pollution PPRC/INDIA 07
  • 9. Facts about air pollution Research by MIT : 13,000 British citizens die due to air pollution from vehicles >1 million people die / year from chronic obstructive respiratory disease Air pollution takes away 2 yrs of typical human life PPRC/INDIA 08
  • 10. Facts about air pollution Air pollution in California kills 25,000 people every year and costs $200 million worth of medical expenses 300,000 in China die every year due to heart attack and lung cancer caused by air pollution PPRC/INDIA 09
  • 11. Facts about air pollution Rising temperatures make smog pollution worse and increase the number of bad days when it is hard to breathe By 2050, 6 million people will die per year due to air pollution 2 million of premature deaths / year are caused due to air pollution PPRC/INDIA 10
  • 12. Facts about air pollution Vehicle transportation sources related with 90% cancer risk Diesel exhaust contain >40 hazardous substances High traffic – greater risk of cancer Children have more problem due to air pollution in gardens, parks PPRC/INDIA 11
  • 13. Facts about air pollution US air pollution – effects caused $22 billion loss in 2004 Breath 20,000 litres of air / day In London 1952, air pollution caused deaths of 4000 people Vehicle emission contributes to 45% of Carbon monoxide in US and 95% in larger cities PPRC/INDIA 12
  • 14. Facts about air pollution Inhalation of fumes of heavy traffic shows death by Pneumonia every year Jogging with traffic around, causes heart disorders Air pollution causes faster and deeper air breathing PPRC/INDIA 13
  • 15. Major Air pollutants Sulfur dioxide Nitrogen oxides Carbon monoxide Volatile organic compounds (VOC)…..methane, non-methane, benzene, toluene, xylene, 1,3-butadiene PPRC/INDIA 14
  • 16. Major Air pollutants Toxic metals – lead, mercury Chlorofluorocarbons (CFCs) harmful to ozone layer Ammonia Odours from garbage, sewage and industrial processes Radioactive pollutants PPRC/INDIA 15
  • 17. The Air we breathe, water we drink, food we eat and products we use contain harmful chemicals that affect our health These chemicals are known as toxins and are linked to thyroid disorders, cancer, women’s hormonal conditions, chronic fatigue syndrome, fibromyalgia and other several illnesses & symptoms PPRC/INDIA 16
  • 18. Diseases caused Heart attack Fatigue Lung cancer Asthma Coughing Cardiopulmonary diseases PPRC/INDIA 17
  • 19. Diseases caused Premature mortality Cystic fibrosis Pneumonia Bone pain Respiratory allergies PPRC/INDIA 18
  • 20. Control devices Mechanical collector Electrostatic precipitators Baghouses Particulate scrubbers NOX controls VOC abatement PPRC/INDIA 19
  • 21. Control devices Acid gas / SO2 control …. scrubbers Mercury control Dioxin and furan control Source capturing systems Continuous emissions monitoring systems (CEMS) PPRC/INDIA 20
  • 22. VOC abatement Adsorption systems Flares Thermal oxidisers Catalytic convertors Bio-filters Cryogenic condensers Vapour recovery system PPRC/INDIA 21

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