Question:medium

In a high rate trickling filter, the problem of ponding can be solved by

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Ponding in trickling filters is mainly due to clogging. Common remedies are:
• Raking the filter bed.
• Chlorination.
• Proper maintenance of filter media.

Updated On: Jul 23, 2026

Flooding and raking
Chlorination and supply of air
Flooding and supply of air
Raking and chlorination

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The Correct Option is D

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