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Which component of an electrostatic precipitator can remove gases like sulphur dioxide through a spray of water or lime?

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in Biology – Class 12 by (271k points)
Which component of an electrostatic precipitator can remove gases like sulphur dioxide through a spray of water or lime?

(a) Detergent

(b) Electrode wires

(c) Corona

(d) Scrubber

This question was addressed to me in a job interview.

This intriguing question originated from Environmental Issues in chapter Environmental Issues of Biology – Class 12

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Correct answer is (d) Scrubber

To explain I would say: A scrubber present in an electrostatic precipitator can remove gases like sulphur dioxide through a spray of water or lime. It is a component from which the dirty air enters in and clean air is released out.

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