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प्रश्न
Small part of activated sludge is passed back into primary sedimentation tank.
If the above statement is correct then rewrite as it is and in case it is incorrect then reframe it.
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उत्तर
Small part of activated sludge is passed back into the aeration tank.
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संबंधित प्रश्न
Explain the role of microbes in sewage treatment.
Explain the different steps involved during primary treatment phase of sewage.
Explain the process of secondary treatment given to the primary effluent up to the point it shows significant change in the level of biological oxygen demand (BOD) it.
Explain the function of “anaerobic sludge digester” in a sewage treatment plant.
Distinguish between the roles of flocs and anaerobic sludge digesters in sewage treatments.
In which of the following microbial digestion of organic wastes of sewage takes place?
Identify the type of microorganisms involved in floe formation during sewage treatment.
Study the following statements regarding tertiary treatment of sewage and choose the correct option.
i. It produces methane gas.
ii. The effluents formed from these plants undergo chlorination.
iii. BOD is significantly increased at this step.
iv. It includes screening and passage of effluent through grit chamber.
Given below is the flowchart of sewage treatment. Identify A, B, C, D and E and select the correct option.
Removal of suspended, floating, coarse and solid particles in sewage treatment is called ______.
