Study on Adsorption of Cross-linked Carboxymethyl Cassava Starch to Ca2+ from Aqueous Solution

doi:10.7506/spkx1002-6630-200905021

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (5): 96-99.doi: 10.7506/spkx1002-6630-200905021

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Study on Adsorption of Cross-linked Carboxymethyl Cassava Starch to Ca2+ from Aqueous Solution

YUAN Huai-bo1，LIU Wen-hong2，FAN Liang1

(1. College of Biotechnology and Food Engineering, Hefei University of Technology, Hefei 230009, China；
2. School of Chemical Engineering, Hefei University of Technology, Hefei 230009, China)

Received:2008-01-29 Revised:2008-09-07 Online:2009-03-01 Published:2010-12-29
Contact: YUAN Huai-bo1 E-mail:yuanhuaibo001@163.com

Abstract

Abstract:

With epichlorohydrin as crosslinker and chloroacetic acid as carboxymethylation reagent, a cross-linked carboxymethyl cassava starch was synthesized and its absorption effects on Ca2+ were investigated. The results showed that the crosslinked carboxymethyl cassava starch can effectively remove Ca2+ from the aqueous solution, and the Ca2+ adsorption quantity is related to starch substitution degree, starch amount, initial Ca2+ concentration, reaction time, reaction temperature and pH value.

Key words: cassava starch, cross-linked carboxymethyl, Ca2+

CLC Number:

TS201.2

YUAN Huai-bo1，LIU Wen-hong2，FAN Liang1. Study on Adsorption of Cross-linked Carboxymethyl Cassava Starch to Ca2+ from Aqueous Solution[J]. FOOD SCIENCE, 2009, 30(5): 96-99 https://doi.org/10.7506/spkx1002-6630-200905021

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Study on Adsorption of Cross-linked Carboxymethyl Cassava Starch to Ca2+ from Aqueous Solution

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