Question

Scrubbers are devices used to remove _________ pollutants

• A. solid
• B. gaseous
• C. heavy metal
• D. liquid

Answer 1

The correct option is B

gaseous

Scrubbers are one of the primary devices that control gaseous emissions. Scrubbers can also be used for heat recovery from hot gases by flue-gas condensation. There are several methods to remove toxic or corrosive compounds from the exhaust gas and neutralize it. They use liquid to remove particulate matter or gases from an industrial exhaust.