Unit 9: Air Pollution Reduction Flashcards
1
Q
What is a vapor recovery nozzle?
A
An air pollution control device on a gasoline pump that prevents fumes from escaping into the atmosphere when fueling a motor vehicle. Reduces VOCs.
2
Q
What is a catalytic converter?
A
An air pollution control device for internal combustion engines that converts pollutants (CO, NOx, and hydrocarbons) in exhaust into less harmful molecules (CO2, N2, O2, and H2O).
3
Q
What does crushed limestone reduce?
A
Sulfur dioxde
4
Q
What does fluidized bed combustion reduce?
A
Nitrous oxides
5
Q
What are wet and dry scrubbers?
A
Air pollution control devices that remove PM (wet scrubbers) and NOx, SO2, and VOCs (both) from industrial exhaust streams.
6
Q
Electrostatic precipitators and baghouse filters reduce what?
A
PM from coal burning power plants.
