Document Detail


Novel biodegradable polymeric flocculant based on polyacrylamide-grafted tamarind kernel polysaccharide.
MedLine Citation:
PMID:  20702087     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
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.
Authors:
Sandipta Ghosh; Gautam Sen; U Jha; Sagar Pal
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-07-18
Journal Detail:
Title:  Bioresource technology     Volume:  101     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-08-31     Completed Date:  2010-12-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  9638-44     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2010 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Applied Chemistry, Birla Institute of Technology, Mesra, Ranchi 835 215, Jharkhand, India.
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MeSH Terms
Descriptor/Qualifier:
Acrylic Resins / chemical synthesis*
Biodegradation, Environmental
Flocculation
Kaolin / chemistry
Light
Microwaves
Polymers / chemical synthesis*
Polysaccharides / chemical synthesis*
Scattering, Radiation
Sewage
Spectrum Analysis
Suspensions
Tamarindus / chemistry*
Textiles
Waste Disposal, Fluid
Chemical
Reg. No./Substance:
0/Acrylic Resins; 0/Polymers; 0/Polysaccharides; 0/Sewage; 0/Suspensions; 1332-58-7/Kaolin; 9003-05-8/polyacrylamide

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