Safe Disposal of Wastes — BIOLOGY STD 9 — Question
ICSE BoardEnglish MediumSTD 9BIOLOGYSafe Disposal of Wastes3 Marks
Question
Explain the working of an electrostatic precipitator.
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Answer
An electrostatic precipitator removes particulates of less than 50mm size. The particulates are electrically charged and then attracted to oppositey charged plates for collection. The vvibration of these plates removes the particulate matter to the bottom and the pollutant free air then escape to join the atmosphere.
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