The Ultimate Disposal of Wastewater Can Only Be Onto the Land or into the Water. But Whenever
The Watercourses Are Used For the Ultimate Disposal, the Wastewater Is Given a Treatment to Prevent Any
Injury to the Aquatic Life In the Receiving Water. Normally, the Treatment Consists of the Removal Of
Suspended and Dissolved Solids Through Different Units If the Treatment Plants. the Treatment Of
Industrial Wastewater May Be Accomplished In Part or As a Whole Either By the Biological Processes, As
Done In the Sanitary Sewage, or By Processes Very Special For the Industrial Wastewater Only. Depending
Upon the Constituents Present In It, the Treatment May Consist of any One or More Treatment (Chemical Or
Biological or Both) Processes. the Chemical Treatment Should Be Provided Only When It Becomes
Unavoidable. the Selection of the Particular Treatment Process Depends on the Effluent Requirements And
The Characteristics of the Waste