Novel biodegradable polymeric flocculant based on polyacrylamide-grafted tamarind kernel polysaccharide

被引：96

作者：

Ghosh, Sandipta ^{[2
]}

Sen, Gautam ^{[2
]}

Jha, U. ^{[2
]}

Pal, Sagar ^{[1
]}

机构：

[1] Indian Sch Mines, Dept Appl Chem, Dhanbad 826004, Jharkhand, India

[2] Birla Inst Technol, Dept Appl Chem, Ranchi 835215, Jharkhand, India

来源：

BIORESOURCE TECHNOLOGY | 2010年 / 101卷 / 24期

关键词：

Flocculation; Graft copolymer; Tamarind kernel polysaccharide; Turbidity; Wastewater; INITIATED SYNTHESIS; DRUG-DELIVERY; STARCH; CARBOXYMETHYLSTARCH; IRRADIATION; COPOLYMERS; EFFLUENT; RELEASE; GUM;

D O I：

10.1016/j.biortech.2010.07.058

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Novel biodegradable polymeric flocculants were produced by conventional redox grafting, microwave-initiated and microwave-assisted grafting of acrylamide to tamarind kernel polysaccharide (TKP). The graft copolymers were characterized by viscometry, elemental analysis, molecular weight determination using SLS analysis, and NMR spectroscopy. The flocculation efficiency of the grafting products in kaolin suspension, municipal sewage wastewater and textile industry wastewater was primarily dependent on the length of the grafted polyacrylamide chain. The flocculant obtained by microwave-assisted grafting method was superior to TKP and polyacrylamide-based commercial flocculant (Rishfloc 226 LV) in flocculation tests. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：9638 / 9644

页数：7

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