Advertisements
Advertisements
प्रश्न
Why do we prefer to call secondary waste water treatment as biological treatment?
Advertisements
उत्तर
The secondary treatment is also called biological treatment because in secondary treatment living organisms like bacteria and fungi are used.
APPEARS IN
संबंधित प्रश्न
Distinguish between the roles of flocs and anaerobic sludge digesters in sewage treatments.
Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?
Removal of large pieces of floating debris, oily substances, etc. during sewage treatment is called _______________.
Name the tank to which the sewage water is passed after the preliminary treatment?
In which of the following microbial digestion of organic wastes of sewage takes place?
Due to which of the following reason/s sewage water cannot be discharged directly into river?
Which of the following is/are found in discharge from industrial waste?
Small part of activated sludge is passed back into ______ and major part is pumped into large tanks called ______.
Nitrogen fixation by organisms requires conditions that are:
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:
Name the states involved in Ganga action plan.
What would happen if a large volume of untreated sewage is discharged into a river?
Given below is the flowchart of sewage treatment. Identify A, B, C, D and E and select the correct option.

What is the major component of municipal wastewater (sewage)?
Biochemical Oxygen Demand (BOD) serves as an indirect measure of which water quality parameter?
Approximately what percentage of suspended solids is removed during primary sedimentation in a sewage treatment plant?
