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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 function of “anaerobic sludge digester” in a sewage treatment plant.
Removal of large pieces of floating debris, oily substances, etc. during sewage treatment is called _______________.
What are flocs with respect to sewage treatment?
Rearrange the names of tanks used in sewage treatment as per the flow of the procedure.
- Settling tank
- Grit Chamber
- Aeration tanks
- Primary sedimentation tank.
During tertiary treatment, the bacterial floes sediment in the sedimentation tank, this sediment is called ____________.
After which of the following treatment BOD of the effluent is significantly reduced?
Which of the following is TRUE regarding 'Flocs'?
Nitrogen fixation by organisms requires conditions that are:
In a sewage treatment plant, all of the following processes belong to secondary treatment except:
What is the group of bacteria found in both the rumen of cattle and shidge of sewage treatment?
