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प्रश्न
What would happen if a large volume of untreated sewage is discharged into a river?
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उत्तर
It untreated sewage is discharged directly into rivers it will lead to serious pollution of the waters with organic matter and pathogenic bacteria, Protozoa and many other diseases. This water, if used will cause outbreaks of water-borne diseases.
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संबंधित प्रश्न
Explain the different steps involved during primary treatment phase of sewage.
Explain the function of “anaerobic sludge digester” in a sewage treatment plant.
What is the key difference between primary and secondary sewage treatment?
One of the free-living anaerobic nitrogen-fixer is _________.
Name the tank to which the sewage water is passed after the preliminary treatment?
After which of the following process effluents from anaerobic sludge digesters are released in natural water bodies?
Which of the following occurs during tertiary treatment?
What happens during the course of sewage decomposition?
______ refers to the organic matter which settles down after physical treatment of sewage.
During tertiary treatment, the bacterial floes sediment in the sedimentation tank, this sediment is called ____________.
Which of the following is TRUE regarding 'Flocs'?
Which of the following is put into Anaerobic sludge disaster for further sewage treatment?
Methanogenic bacteria are not found in ______.
Wastewater treatment generates a large quantity of sludge, which can be treated by ______.
Why do we prefer to call secondary waste water treatment as biological treatment?
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.
Biochemical Oxygen Demand (BOD) may not be good index for pollution for water bodies receiving effluents from ______.
