• 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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