ENGINEERED SYSTEMS FOR AIR POLLUTION CONTROL
• The principles involved in the natural atmospheric cleansing processes.
3-1 ATMOSPHERIC CLEANSING PROCESSES
1- Dispersion.
2- Gravitational settling.
3- Flocculation.
4- Absorption (involving washout and scavenging).
5- Rainout.
6- Adsorption
1- Dispersion of pollutants by wind currents lessens the concentrations of pollutants in any one place.
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