Performance Evaluation of a Common Effluent Treatment Plant

Environment Engineering

Small Scale Industries occupies an important place in Indian economy for their contribution to industrial production, exports and employment. SSIs contribute 40% of the total industrial output of the country. But generate over 44% of the hazardous wastes while contribution by the large-scale industry is 13%. Quantity of waste generated by individual SSIs may not be large, but combined effect of operation of a large number of SSIs units on the environment can be high, especially when they are clustered in certain locations closer to residential or commercial centers. Effluents generated by SSIs need treatment prior to disposal in order to comply with the prescribed effluent standards. Concept of common effluent treatment plant (CETP) was originally promoted by the Ministry of Environment and Forests (MOEF) in 1984 for the treatment of wastewaters from a large number of small and medium scale industries. Most of the small-scale industrial units cannot individually afford to set-up their own effluent treatment plants to meet the prescribed pollution control norms. This has been responsible for the origination of the concept of CETP. Performance Evaluation: is the systematic evaluation of the performance of CETP and to understand the Technical abilities of a treatment parameters for further growth and development. Performance Evaluation is generally done in systematic ways. The parameters measure the performance of Treatment plant and compare it with standards and carry out their evaluation.

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