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प्रश्न
Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?
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उत्तर
Flocs are masses of bacteria embedded in fungal filaments to form a mesh-like structure.
These flocs consume organic matter in wastewater and reduce the B.O.D. levels in the water. The flocs form a part of activated sludge, a small part of which is pumped back into aeration tank to help as inoculums.
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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.
Removal of large pieces of floating debris, oily substances, etc. during sewage treatment is called _______________.
______ refers to the organic matter which settles down after physical treatment of sewage.
Which of the following process is a part of preliminary treatment of sewage?
Nitrogen fixation by organisms requires conditions that are:
In a sewage treatment plant, all of the following processes belong to secondary treatment except:
Name the states involved in Ganga action plan.
Why are flocs important in biological treatment of waste water?
Which one is wrongly matched?
