effects of sewage discharge on a river.

Explain the effect on the characteristics of a river when urban sewage is discharged into it.

Sewage Treatment Plants (STPs) are those plants where sewage water is treated before its discharge into the rivers. Discuss the following: What is sewage composition?

When huge amount of sewage is dumped into a river , the BOD will:

In the treatment of waste water discharge, which treatment stage involves biological treatment?

Study the graph given below. Explain how is oxygen concentration affected in the river when sewage is discharged into it.

Sewage Treatment Plants (STPs) are those plants where sewage water is treated before its discharge into the rivers. Discuss the following: To which types of treatment, the sewage water is subjected to? Enlist the significance of each treatment type.

Sewage Treatment Plants (STPs) are those plants where sewage water is treated before its discharge into the rivers. Discuss the following: Sewage treatment provides not only usable water but also generates fuel. Justify the statement.

Sewage Treatment Plants (STPs) are those plants where sewage water is treated before its discharge into the rivers. Discuss the following: Why the secondary treatment is also called biological treatment?

What is sewage?