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Environmental Issues — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues2 Marks
Question
How does an electrostatic precipitator work to remove particulate pollutants released from the thermal power plants?
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Answer

Electrode wires at several thousand volts produce a corona that releases electrons, electrons attach to dust particles, (dust particles) become negatively charged, are attracted to collecting plates, low velocity of air help settling of dust.

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