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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
Explain the different steps involved during primary treatment phase of sewage.
Explain the process of sewage water treatment before it can be discharged into natural water bodies.
Describe how do 'flocs' and 'activated sludge' help in Sewage Treatment.
Answer the following question.
What are ‘flocs’, formed during secondary treatment of sewage?
Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?
One of the free-living anaerobic nitrogen-fixer is _________.
Name the chamber in which the suspended objects are filtered and removed during sewage treatment?
Small part of activated sludge is passed back into primary sedimentation tank.
If the above statement is correct then rewrite as it is and in case it is incorrect then reframe it.
The purpose of biological treatment of waste water is to ______.
Which of the following occurs during tertiary treatment?
Small part of activated sludge is passed back into ______ and major part is pumped into large tanks called ______.
Identify the type of microorganisms involved in floe formation during sewage treatment.
During tertiary treatment, the bacterial floes sediment in the sedimentation tank, this sediment is called ____________.
After which of the following treatment BOD of the effluent is significantly reduced?
Wastewater treatment generates a large quantity of sludge, which can be treated by ______.
What would happen if oxygen availability to activated sludge flocs is reduced?
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.
Explain the steps involved in preliminary treatment of sewage.
