A scrubber in the exhaust of a chemical industrial plant removes:

Options

(a) Gases like sulphur dioxide
(b) Particulate matter of the size 5 micrometer or above
(c) Gases like ozone and methane
(d) Particulate matter of the size 2.5 micrometer or less

Correct Answer:

Gases like sulphur dioxide

Explanation:

Scrubber is diverse range of air pollution controllers fixed in the exhaust of industrial plants. The first air scrubber was designed to remove carbon dioxide from the air of an early submarine. There are two types of scrubbing. Dry Scrubbing and Wet Scrubbing. Dry scrubbing System is an electrostatic precipitator in which dirty air is cleaned by capturing acid gases such as sulphurdioxide.