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Mon 12/34/56 4:00

HEALTH AND AIRPOLLUTION

Industrial smog (gray smog) - from coal burning

power plants- consist of mostly sulfur dioxide, sulfuric acid, suspended particles.


Chemistry of Industrial Smog

C + O2 = CO2 carbon dioxide

2C + O2 = 2CO carbon monoxide

S + O2 = SO2 sulfur dioxide

2SO2 + O2 = 2SO3 sulfur trioxide

SO3 + H2O = H2SO4 Sulfuric acid

2NH 3 + H2SO4 = (NH4)2SO4 ammonium sulfate







INVERSION LAYERS

Blankets of air trapping various sorts of air pollutants. Natural ventilation by the convection mechanism is not possible.

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URBAN HEAT ISLAND

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BROWN CLOUD

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THE IMPORTANCE OF ATMOSPHERIC CONVECTION

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MORTALITY

Air pollution is one of the major environ-mental causes of premature mortality.

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