Which of the following is a method used to get rid of particulate matter present in the exhaust from a thermal power plant ?
Answers
Answer:
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Solution :
Electrostatic precipitators (ESPs) are very efficient devices which remove 99 % of particulates presnt in the industrial and thermal plant exhausts. There are electrode wires and a stage of collecting plates. The collecting plates. The collecting plates wires and a stage of collecting plates. The collecting plates are connected with ground. The electrode wires are provided with several thousand volts electric current. It creates a corona which releases electrons. The electrons attach to the suspended particles and make them negatively charged within a fraction of a second. Air with charged particles passes slowly over collecting plates. The particulate matter settles over them and are removed.
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