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प्रश्न
Wastewater treatment generates a large quantity of sludge, which can be treated by ______.
विकल्प
anaerobic digesters
floc
chemicals
oxidation pond
उत्तर
Wastewater treatment generates a large quantity of sludge, which can be treated by anaerobic digesters.
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संबंधित प्रश्न
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 20mg/L, 8mg/L and 400mg/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?
What are flocs with respect to sewage treatment?
Which of the following is/are found in discharge from industrial waste?
Which of the following occurs during secondary 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?
Discuss about the major programs that the Ministry of Environment and Forests, Government of India, has initiated for saving major Indian rivers from pollution.
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".
Explain the steps involved in preliminary treatment of sewage.
