Abstract

Herein we report the flocculation characteristics of some amylopectin based graft copolymers developed in the laboratory in a paper mill wastewater and Municipal sewage water. Colour removal study of an industrial textile dye effluent is also carried out by the sulphated amylopectin based graft copolymer, dextrin based graft copolymer/SiO2 nanocomposite and katira gum based hydrogels. Their performances are also compared in the same textile dye effluent. Surface properties of all the developed materials are also evaluated by BET method. The results show that natural polysaccharide based adsorbents are highly effective for the industrial effluent treatment.

Keywords:Katira gum; Dextrin; BET isotherm; Flocculation; Adsorption