A study of the coagulation-filtration process for the removal of suspended matter from an aqueous system

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1970

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Abstract

This thesis presents the results of a study of removal of particulate matter from a fresh water system by a coagulation-filtration process. Laboratory studies were made on an aqueous system containing a suspension of bentonite clay. Filtration efficiency and characteristics was obtained using ferric chloride as the primary coagulant as well as in conjunction with several commercial polymeric electrolytes. A literature review of the coagulation and filtration processes was made. The laboratory results are presented and discussed. Conclusions are made on the effect of several variables on the filtration efficiency and filter cake characteristics. Recommendations have been made for further study on the coagulation-filtration process.

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