Advertisements
Advertisements
Question
The purpose of biological treatment of waste water is to ______.
Options
Reduce BOD
Increase BOD
Reduce sedimentation
Increase sedimentation
Advertisements
Solution
The purpose of biological treatment of waste water is to Reduce BOD.
RELATED QUESTIONS
What is the key difference between primary and secondary sewage treatment?
One of the free-living anaerobic nitrogen-fixer is _________.
In which of the following microbial digestion of organic wastes of sewage takes place?
Which of the following is TRUE regarding 'Flocs'?
In the process of sewage treatment, the activated sludge is digested by ______
The primary treatment of waste water involves the removal of ______.
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.
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.
