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प्रश्न
What is the group of bacteria found in both the rumen of cattle and shidge of sewage treatment?
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उत्तर
Methanogens are the group of bacteria found in both the rumen of cattle and sludge of sewage treatment.
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संबंधित प्रश्न
Explain the different steps involved during primary treatment phase of sewage.
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.
Explain the process of sewage water treatment before it can be discharged into natural water bodies.
What is sewage?
Three water samples namely river water, untreated sewage water and secondary effluent discharged from a sewage treatment plant were subjected to BOD test. The samples were labelled A, B and C; but the laboratory attendant did not note which was which. The BOD values of the three samples A, B and C were recorded as 20 mg/L, 8 mg/L and 400 mg/L, respectively. Which sample of the water is most polluted? Can you assign the correct label to each, assuming the river water is relatively clean?
What is primary treatment of sewage?
One of the free-living anaerobic nitrogen-fixer is _________.
Name the chamber in which the suspended objects are filtered and removed during sewage treatment?
Small part of activated sludge is passed back into primary sedimentation tank.
If the above statement is correct then rewrite as it is and in case it is incorrect then reframe it.
______ refers to the organic matter which settles down after physical treatment of sewage.
Nitrogen fixation by organisms requires conditions that are:
During sewage, treatment biogas is produced wits which include:
BOD of waste water is estimated by measuring the amount of ______.
Why is aerobic degradation more important than anaerobic degradation for the treatment of large volumes of waste waters rich in organic matter. Discuss.
In what way anaerobic sludge digestion is important in sewage treatments?
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".
Which one is wrongly matched?
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 ______.
