CBSE Class 7 Answered
In what ways is the sludge obtained from a WWTP used?
Asked by gspublicschool | 11 Mar, 2019, 08:55: AM
Expert Answer
- The solid sludge formed in the wastewater treatment plant is transferred to a separate tank where anaerobic bacteria decompose it and produce biogas.
- The dried sludge is now used as manure, thereby returning the organic matter and nutrients to the soil.
Answered by Sheetal Kolte | 11 Mar, 2019, 10:44: AM
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