A1258690121wsNCF - PowerPoint PPT Presentation

Title: A1258690121wsNCF


1
D. List and Explain Various Methods of Air
Pollution Control
D1. Summarize the Clean Air Act
Congress passed the original act in 1963.
Amended and made a Federal Law in 1970. Amended
again in 1977 and 1990
Purpose is to limit the amount of air pollutants
that are placed into the air in the US
2
D2. List ways to reduce outdoor air pollution
Drive less, consolidate trips, carpool, walk,
bicycle
Make fewer fires leaves, trash, wood
Use fewer aerosols
3
D3. List ways to reduce indoor air pollution
Reduce and remove sources of indoor air
pollutants cleaners, furniture, carpeting,
paint, gasoline, air fresheners
Open windows
4
D4. Explain the function of an automobiles
catalytic converter
Catalytic converter changes bad exhaust gases
into harmless atmospheric gases
5
D5. Explain how a smoke stack could be modified
to reduce smoke emissions
Precipitators collect charged pollution particles
by running electricity through the smoke stack
Bag filters work much like a vacuum cleaner.
Pollutants are run through a bag which filters
out the particulates
Wet scrubbers use water to catch particulates as
they pass up the smoke stack