Preparation and characterization of a new coagulant based on the sago starch biopolymer and its application in water turbidity removal

Preparation and characterization of a new coagulant based on the sago starch biopolymer and its application in water turbidity removal

A new organic coagulant, sago starch (SS)-graft-polyacrylamide (PAm), was prepared by the ceric-ion-induced redox polymerization of acrylamide (Am) onto SS at room temperature. The effects of the variation of the concentration of Am and the initiator on the percentages of yield and total conversion...

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Bibliographic Details
Published in:Journal of applied polymer science Vol. 109; no. 5; pp. 3140 - 3147
Main Authors: Qudsieh, I.Y, Fakhru'l-Razi, A, Kabbashi, N.A, Mirghani, M.E.S, Fandi, K.G, Alam, M.Z, Muyibi, S.A, Nasef, M.M
Format: Journal Article
Language:English
Published: Hoboken Wiley Subscription Services, Inc., A Wiley Company 05-09-2008
Wiley
Subjects:
Applied sciences
biopolymers
Exact sciences and technology
graft copolymers
Natural polymers
Physicochemistry of polymers
polyelectrolytes
Starch and polysaccharides
water-soluble polymers
Clay
Graft copolymer
graft copolymers
Starch graft copolymer
Particle suspension
Experimental study
Property processing relationship
Grafting
polyelectrolytes
Sago
Flocculation reagent
Flocculation
Preparation
Acrylamide copolymer
Oside polymer
water-soluble polymers
Kinetics
biopolymers
Kaolin
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Summary:A new organic coagulant, sago starch (SS)-graft-polyacrylamide (PAm), was prepared by the ceric-ion-induced redox polymerization of acrylamide (Am) onto SS at room temperature. The effects of the variation of the concentration of Am and the initiator on the percentages of yield and total conversion were investigated. The chemical composition, viscosity, and side-chain-average molecular weight of the obtained graft copolymers were determined. The newly obtained coagulant was tested for the treatment of the turbidity of water. The SS-g-PAm coagulants were found to achieve water turbidity removal up to 96.6%. The results of this study suggest that SS-g-PAm copolymer is a potential coagulant for reducing turbidity during water treatment.
Bibliography:http://dx.doi.org/10.1002/app.28399
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ArticleID:APP28399
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content type line 23
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ISSN:0021-8995
1097-4628
DOI:10.1002/app.28399