Advertisements
Advertisements
प्रश्न
Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?
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.
APPEARS IN
संबंधित प्रश्न
Explain the role of microbes in sewage treatment.
In the process of biogas production which of the following anaerobic bacteria are used?
______ refers to the organic matter which settles down after physical treatment of sewage.
During tertiary treatment, the bacterial floes sediment in the sedimentation tank, this sediment is called ____________.
Which of the following is TRUE regarding 'Flocs'?
Activated sludge should have the ability to settle quickly so that it can ______.
Name the states involved in Ganga action plan.
Why are flocs important in biological treatment of waste water?
Biochemical Oxygen Demand (BOD) may not be good index for pollution for water bodies receiving effluents from ______.
The aeration tank of a sewage treatment plant is not functioning properly. Explain in detail the impact of this on the treatment of sewage and BOD of the effluent.
