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ACID RAIN : CAUSES AND EFFECTS. WHAT IS ACID RAIN. SO 2 , No x TRACES OF NH 4 , Cl LOW pH. SULPHUR fossil fuels power plants residential combustion volcanoes and marsh gases. NITROGEN fossil fuels coal plants denitrification forest fires, lightning. SOURCES OF ACID RAIN.

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Presentation Transcript
what is acid rain
WHAT IS ACID RAIN
  • SO2 , Nox
  • TRACES OF NH4, Cl
  • LOW pH
sources of acid rain
SULPHUR

fossil fuels

power plants

residential combustion

volcanoes and marsh gases

NITROGEN

fossil fuels

coal plants

denitrification

forest fires, lightning

SOURCES OF ACID RAIN
other sources
OTHER SOURCES
  • Hydrocarbons
  • ammonia
  • chlorine
the reactions
THE REACTIONS
  • OH + SO2 HSO3
  • HSO3 + O2  HSO5
  • HSO5 + NO  [HSO4 + NO2]
  • HSO4 + NO2  H2SO4 + HNO3
precipitation
PRECIPITATION
  • DRY DEPOSITION
  • WET DEPOSITION
  • OCCULT DEPOSITION
effects
EFFECTS
  • SOILS AND VEGETATION
  • FORESTS
  • WATER
  • HUMAN HEALTH
  • WILDLIFE
  • BUILDINGS
possible remedies
SULPHUR

liming

flue gas desulphurization

low sulphur coals

alternatives

NITROGEN

lower temperatures

shorter durations

catalytic converters

lead free gasoline

alternatives

POSSIBLE REMEDIES