Abstract

All efforts must be made to preserve water's purity for the present and the future because it is necessary for environment's sustenance and for all living things including humans, vegetation and animals. This project is an experiment to synthesize a flocculant for industrial effluent and as a result grafted starch-based biodegradable polymer is created to benefit both natural and synthetic polymers. This research focused on creating water-soluble, cationic, biodegradable starch to use as a flocculant. The reactive groups of the starch, or hydroxyls, combine with the cations in the reagent to produce a complex. The complex can separate creating free radical sites on the polysaccharide backbone. The mechanism of free radical graft copolymerization of ethyl monomers onto starch is anticipated in the presence of molecular nitrogen. H+ may be replaced by Reactive group R i.e. (CH2 CH3)3 N - (Et3)N in highly Alkaline medium. The effect of flocculant is validated on industrial effluent by jar test with various coagulation treatments.

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