Question

Describe the method of treating the waste water from Steel industry.

Answer 1

Sewage treatment generally involves three stages, called primary, secondary and tertiary treatment. Primary treatment consists of temporarily holding the sewage in a quiescent basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface

Answer 2

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❤The biological treatment methods have been widely applied to the treatment of various industrial wastewater and sewage.

❤The coke oven wastewater generated from blast furnace coke plant has been treated by using the activated sludge process.