AIR POLLUTION

on Tuesday, July 27, 2010

AIR POLLUTION

Secondary pollutants are form in atmosphere throungh chemical and photochemical reaction from primary pollutants

example
  1. asid sulfuric-
cause respiratory problems
effect- asid sulfuric exist in particle/droplets in the air if released to atmosphere
- it dissolves when mix with water. It has moderate acute(short term)toxicity aquatic life. Asid sulfuric very corrosive and badly burn plants, bird or land animal exposed to it. It has moderate chronic (long-term) toxicity to aquatic life. Chronic effect not determined on plants,bird or land animals.Small quantity sulfuric asid will neutralized by natural alkalinity in aquatic system.Concentration of asid sulfuric high because emission by industrial.
- asid sulfuric can dissolve in clouds,fog.rain.dew or snow. the result is it dilute acid solutions.

2. nitrogen dioxide -give air the brownish coloration
  • nitrogen oxides produce during combustion process.
  • 80% the nitrogen oxides telease immediately in form nitric oxide (NO)
  • Oxidation during the day causes NO2 to form nitric acid and nitrate particle.
  • in the dark- NO2 + ozone = very reactive radical
  • - free radical + organic compound(in air) = nitrogen organic compound
Ranking: 5

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