Question

explain how sludge is treated?

Answer 1

Treatment of sludge

Sewage sludge treatment describes the processes wont to manage and eliminate waste matter sludge createdthroughout waste matter treatment. Sludge is generally water with lesser amounts of solid material aloof fromliquid waste matter. Primary sludge includes settleable solids removed throughout primary treatment in primary clarifiers.

Answer 2

Answer:

Semi-solids such as faeces that settle down during wastewater treatment are called sludge. This sludge is removed using a scraper and then transferred to a tank where it is decomposed by anaerobic bacteria to produce biogas. This biogas is used as a low-cost fuel for heating, cooking, etc. It is also used to produce electricity.