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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 associated with fungal filaments and they are helpful in increasing the decomposition rate and they are put in the aeration tank while secondary sewage treatment is in process.
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संबंधित प्रश्न
Explain the process of secondary treatment given to the primary effluent up to the point it shows significant change in the level of biological oxygen demand (BOD) it.
Distinguish between the roles of flocs and anaerobic sludge digesters in sewage treatments.
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.
In a sewage treatment plant, all of the following processes belong to secondary treatment except:
In which of the following step large and small particles are removed from sewage through sequential filtration and sedimentation?
The primary treatment of waste water involves the removal of ______.
Activated sludge should have the ability to settle quickly so that it can ______.
Why is aerobic degradation more important than anaerobic degradation for the treatment of large volumes of waste waters rich in organic matter. Discuss.
After a significant reduction in the BOD of wastewater, it is passed into a settling tank where bacterial flocs are allowed to sediment. This sediment is called ______.
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.
