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  • Which of the following is a method used to get rid of particulate matter present in the exhaust from a thermal power plant ? Option: 1 Magnetic

Which of the following is a method used to get rid of particulate matter present in the exhaust from a thermal power plant ? 

Option: 1

Magnetic precipitator 


Option: 2

Chromatography 


Option: 3

Electrostatic precipitator 


Option: 4

Mass spectrometry 


Answers (1)

best_answer

 

 

As discussed in Control of Air Pollution - Catalytic Converters, Electrostatic Precipitators & Scrubbers - 

 

Electrostatic Precipitator -

There are several ways of removing particulate matter; the most widely used of which is the electrostatic precipitator.

- wherein

This can remove over 99 per cent particulate matter present in the exhaust from a thermal power plant. It has electrode wires that are maintained at several thousand volts, which produce a corona that releases electrons. These electrons attach to dust particles giving them a net negative charge. The collecting plates are grounded and attract the charged dust particles.

Hence, the correct option is (c). 

 

 

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Rishi

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