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प्रश्न
What would happen if oxygen availability to activated sludge flocs is reduced?
पर्याय
It will slow down the rate of degradation of organic matter.
The center of flocs will become anoxic, which would cause death of bacteria and eventually breakage of flocs.
Flocs would increase in size as anaerobic bacteria would grow around flocs.
Protozoa would grow in large numbers.
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उत्तर
The center of flocs will become anoxic, which would cause death of bacteria and eventually breakage of flocs.
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संबंधित प्रश्न
Explain the different steps involved during primary treatment phase of sewage.
Distinguish between the roles of flocs and anaerobic sludge digesters in sewage treatments.
What is the key difference between primary and secondary sewage treatment?
What is primary treatment of sewage?
Answer the following question.
What are ‘flocs’, formed during secondary treatment of sewage?
Name the tank to which the sewage water is passed after the preliminary 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.
The purpose of biological treatment of waste water is to ______.
After which of the following process effluents from anaerobic sludge digesters are released in natural water bodies?
Identify the type of microorganisms involved in floe formation during sewage treatment.
______ refers to the organic matter which settles down after physical treatment of sewage.
After which of the following treatment BOD of the effluent is significantly reduced?
Which of the following is put into Anaerobic sludge disaster for further sewage treatment?
Why do we prefer to call secondary waste water treatment as biological treatment?
Why are flocs important in biological treatment of waste water?
Study the given diagram of the Sewage Treatment Plant (S.T.P.) and answer the question that follows:
- Which one of the two 'S.T.P.' (A) or (B) will be more effective in treating the human excreta in municipal waste?
- Write the steps followed in carrying the treatment of the sewage in step (Z), once the BOD of sewage is reduced significantly till it is passed on to the "anaerobic sludge digesters".
Given below is the flowchart of sewage treatment. Identify A, B, C, D and E and select the correct option.
Which one is wrongly matched?
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.
