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प्रश्न
Why do we prefer to call secondary waste water treatment as biological treatment?
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उत्तर
The secondary treatment is also called biological treatment because in secondary treatment living organisms like bacteria and fungi are used.
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संबंधित प्रश्न
Distinguish between the roles of flocs and anaerobic sludge digesters in sewage treatments.
Name the tank to which the sewage water is passed after the preliminary treatment?
Which of the following is TRUE about primary treatment?
Identify the type of microorganisms involved in floe formation during sewage treatment.
Study the following statements regarding tertiary treatment of sewage and choose the correct option.
i. It produces methane gas.
ii. The effluents formed from these plants undergo chlorination.
iii. BOD is significantly increased at this step.
iv. It includes screening and passage of effluent through grit chamber.
Which of the following is put into Anaerobic sludge disaster for further sewage treatment?
BOD of waste water is estimated by measuring the amount of ______.
What is the group of bacteria found in both the rumen of cattle and shidge of sewage 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".
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.
Explain the steps involved in preliminary treatment of sewage.
What is the major component of municipal wastewater (sewage)?
In a sewage treatment plant, grit comprising soil and small pebbles is removed during which stage and process?
Which mixture of gases is collectively produced as biogas during anaerobic sludge digestion?
Which bacterium is an example of a methanogen commonly found in anaerobic sludge during sewage treatment?
What is the primary purpose of chlorination in the tertiary treatment of wastewater?
Approximately what percentage of suspended solids is removed during primary sedimentation in a sewage treatment plant?
