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प्रश्न
What are flocs with respect to sewage treatment?
What are flocs?
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उत्तर
Flocs are the masses of bacteria held together by slime and fungal hyphae to form mesh like masses.
संबंधित प्रश्न
Distinguish between the roles of flocs and anaerobic sludge digesters in sewage treatments.
Why is this sewage water treatment essential?
Name the tank to which the sewage water is passed after the preliminary 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.
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.
After which of the following treatment BOD of the effluent is significantly reduced?
Which of the following process is a part of preliminary treatment of sewage?
In the process of sewage treatment, the activated sludge is digested by ______
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:
Activated sludge should have the ability to settle quickly so that it can ______.
What is the group of bacteria found in both the rumen of cattle and shidge of sewage treatment?
Discuss about the major programs that the Ministry of Environment and Forests, Government of India, has initiated for saving major Indian rivers from pollution.
What would happen if a large volume of untreated sewage is discharged into a river?
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".
Removal of suspended, floating, coarse and solid particles in sewage treatment is called ______.
In a sewage treatment plant, grit comprising soil and small pebbles is removed during which stage and process?
What is the primary purpose of chlorination in the tertiary treatment of wastewater?
