Dairy plants typically require significant amounts of clean water. More than 90% of clean water is turned into waste water, indicating a very high potential risk of contamination to the ecosystem. The present study is intended to examine the performance of ferric sulphate and ferric chloride used as coagulants in the chemical treatment of raw waste water obtained from dairy plants under the same analytical conditions. The results of the visual and physicochemical assessment of chemically treated wastewater showed a substantial improvement in their selected characteristics, but within the samples studied, different responses to coagulant treatment were observed. In the large range between 20.9 and 97.2 percent, removal efficiencies for individual parameters varied.
Dr. Yogeshkumar M. Dabhi
R. G. Shah Science College, Ahmedabad, Gujarat, India.
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