Question

Explain the three phases in which treatment of industrial effluents can be done

Answer 1

It can be done in three phases.
1.Primary Treatment by Mechanical means
2.Secondary Treatment
3.Tertiary Treatment

Answer 2

Answer:

Explanation:

Primary treatment: in primary treatment suspended soils and organic metals are removed by screening grinding flocculation and sedimentation.

Secondary treatment: secondary treatment involves removal of biodegradable Organics and suspended solids through biological decomposition of organic matter.

Tertiary treatment: it is the final cleaning process that improves waste water quality before it is reduced. The treatment removes inorganic compounds through biological chemical and physical process.