Question

A scrubber in the exhaust of a chemical industrial plant removes

• A. Gases like Sulphur dioxide
• B. Particulate matter of the size 5 micrometers or above
• C. Gases like ozone or methane
• D. Gases like Nitrous oxide

Answer 1

The correct option is A Gases like Sulphur dioxide

• Scrubbers are the pollution control device which mainly helps to remove some particulates and/or gases from industrial exhaust streams.
• Gases like sulphur dioxide which is a major pollutant of chemical industrial plant is removed by an absorbent in the scrubber.
• Dry scrubbing method is mainly used for acidic gases like sulphur dioxide.
• So, the correct answer is option A.