Sarkar, Arnit Kumar and Mandre, N R and Panda, A B and Pal, Sagar
(2013)
Amylopectin grafted with poly (acrylic acid): Development and application of a high performance flocculant.
Carbohydrate Polymers, 95 (2).
pp. 753-759.
ISSN 0144-8617
Abstract
In recent years, wastewater treatment, especially for wastewaters which are not suitably recycled by conventional or normal biological processes, is getting more importance. Of late, natural biopolymer based flocculants are extensively used for wastewater treatment because of low cost, environment-friendly and easily availablility from reproducible farm and forest resources. This article introduces the development of a natural polymer based flocculant [amylopectin grafted with poly (acrylic acid) - AP-g-PAA] for treatment of synthetic effluent as well as mining industry wastewater. The graft copolymer based flocculants have been developed under optimum conditions and characterized using viscometry, C-13 NMR, SEM, TGA, rheological characteristics, determination of hydrodynamic radius and CHN analysis. The flocculation characteristics of grafted and ungrafted polysaccharide have been evaluated in synthetic effluents (as Fe-ore, kaolin, Mn ore suspensions) as well as in mining industry wastewater. (C) 2013 Elsevier Ltd. All rights reserved.
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