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Waste Water Story...

Waste Water Story

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The purpose of biological treatment of waste water is to

Discuss the methods of waste water treatment.

During waste water treatment, trickling filter is used for :

Why is secondary waste water treatment refferred to as biological approach ?

Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and muncipal waste water into natural surface water:

Which of the following is True/false The lower the BOD of waste water more is its polluting potential

Why do we prefer to call secondary waste water treatment as biological treatment?

In the treatment of waste water before discharge which treatment stage inovolve biological treatment ?

Which of the following is related to integrated waste water treatment process within a natural system?

Chlorination of treated waste water is required for