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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 _______________.
The purpose of biological treatment of waste water is to ______.
Which of the following is TRUE about primary treatment?
In the process of biogas production which of the following anaerobic bacteria are used?
Which of the following occurs during secondary treatment?
Which of the following process is a part of preliminary treatment of sewage?
Nitrogen fixation by organisms requires conditions that are:
Activated sludge should have the ability to settle quickly so that it can ______.
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.
