Gaseous pollutants can be controlled by:

Options

A. Arrestors
B. Electrostatic precipitators
C. Pyrolysis
D. Adsorption

Answer

D

Explanation

In adsorption, gases react with a solid adsorbent. Which take place when the molecule or atoms adsorbed are concentrated only at the interface of the solid. It based on the principle of passing effluent gas through solid adsorbers, contained in an adsorption collecting device.