• Effluent treatment plant is essential to purify the waste water which is come from different types of manufacturing industry like textile, tannery, dyes and chemical manufacturing industry, pharmaceuticals etc.

• Different environment saving organizations are trying to protect the environment from the harmful effect of the effluent.

• Different waste water has different characteristics which pollute the water.

• Following is the basic structure of effluent treatment plant:

Advantages:

• Saving in capital and operating cost of treatment plant. The common treatment is always cheaper than small scattered treatment units.

• Professional trained staff can be made available for operation of CETP which is not possible in case of individual plants.

• The neutralization and equalization of heterogeneous waste makes its treatment techno-economically viable.

• Disposal of treated waste water and sludge becomes more organized.