Question

How is sludge treated in wastewater treatment plant

Answer 1

Answer:

Sewage sludge treatment describes the processes used to manage and dispose of sewage sludge produced during sewage treatment. Sludge is mostly water with lesser amounts of solid material removed from liquid sewage. Primary sludge includes settleable solids removed during primary treatment in primary clarifiers.

Answer 2

The sewage sludge are being treated using variety if digestion techniques in the sewage or wastewater treatment plant.

Explanation:

• The motive behind treating sewage water is to reduce the organic matter and harmful microbes causing diseases.
• In the treatment possible percentage of solids will be removed and harmless water will be released for recycling purpose.
• The common sewage water treatment is carried out by the aerobic and anaerobic methods with the help of digesters and microorganism. During this treatment the microorganisms feed on the sewage sludge, breaks down the organic matter by utilizing that as nutrients to grow under controlled environment with measuring parameters.
• The final output will be of two types i) treated harmless water ii) Treated solid mud or sludge (enriched with microorganisms) which will be dried and used as fertilizers, nutrients, etc.,

Learn more:

1) Give one advantage and one disadvantage using sewage sludge in agriculture :

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2) The main plant nutrients present in sewage sludge are​:

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