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प्रश्न
Activated sludge should have the ability to settle quickly so that it can ______.
विकल्प
be rapidly pumped back from sedimentation tank to aeration tank
absorb pathogenic bacteria present in waste water while sinking to the bottom of the settling tank
be discarded and anaerobically digested
absorb colloidal organic matter
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उत्तर
Activated sludge should have the ability to settle quickly so that it can be rapidly pumped back from sedimentation tank to aeration tank.
APPEARS IN
संबंधित प्रश्न
Explain the role of microbes in sewage treatment.
Explain the function of “anaerobic sludge digester” in a sewage treatment plant.
Distinguish between the roles of flocs and anaerobic sludge digesters in sewage treatments.
Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?
Answer the following question.
Secondary treatment of the sewage is also called Biological treatment. Justify this statement and explain the process.
Name the chamber in which the suspended objects are filtered and removed during 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.
The purpose of biological treatment of waste water is to ______.
Which of the following is TRUE about primary treatment?
Which of the following occurs during tertiary treatment?
Which of the following is/are found in discharge from industrial waste?
Nitrogen fixation by organisms requires conditions that are:
Which of the following is put into Anaerobic sludge disaster for further sewage treatment?
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?
Why is aerobic degradation more important than anaerobic degradation for the treatment of large volumes of waste waters rich in organic matter. Discuss.
What would happen if a large volume of untreated sewage is discharged into a river?
Removal of suspended, floating, coarse and solid particles in sewage treatment is called ______.
