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180. Which of the following is put into Anaerobic sludge,
digester for further sewage treatment
- Primary sludge
(2) Floating debris
(3) Effluents of primary treatment
(4) Activated sludge
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Activated sludge is put into Anaerobic sludge, digester for further treatment of sewage.
- The mechanism is a specific process that manages both industrial wastewater and sewage by using the process of aeration.
- It is a biological flock composed of active bacteria and protozoa.
- It represents the biological mechanism by which non-dissolvable substances in dissolved and colloidal forms are instantly converted into settlable sludge that is properly separated from the liquid carrier.
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