In a coal fired power plant electrostatic precipitators metabolites are installed to control emission of
A
CO
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B
SO2
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C
NOx
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D
SPM
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Solution
The correct option is D SPM
Coal burning results in the generation of large quantities of coal residues, which contains very fine particles that tend to become airborne and which contribute to the formation of suspended particulate matter (SPM).
An electrostatic precipitator (ESP) is a filtration method that removes fine particles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally impeding the flow of gases through the unit. Hence, option D is correct.