Fill in the missing pieces (marked with ?) in the table below. Check your answers with the feedback.
|
Major causes |
Subclasses |
Typical examples |
Control methods |
|---|---|---|---|
| ? |
Solids |
? |
Sedimentation, centrifugation, impaction, filtration, fabric filters, electrostatic precipitator, wet scrubber |
| ? |
Mist, spray |
||
| ? |
Hydrocarbons (HCs) |
Hexane, benzene, ethylene, methane |
Adsorption, absorption, stripping, condensation, combustion |
|
Aldehydes and ketones |
Formaldehyde, acetone |
||
|
Other organics |
Actone, chlorinated hydrocarbons |
||
| ? |
Oxides of carbon |
? | |
|
Oxides of sulfur |
SO2, SO3 |
||
|
Oxides of nitrogen |
NO2, NO3 |
||
|
Other inorganics |
O3, H2S, HF, NH3 , Rn |
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