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2008•Journal of Jilin Institute of Chemical TechnologyRequires access

Preparation of carboxymethyl chitosan and its application

Hong Wang

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Abstract

Under the optimized condition,carboxymethyl chitosan is prepared by using chitosan.The degree of substitution of sodium carboxymethyl is 0.65 under the optimum reaction condition.Then carboxymethyl chitosan is applied to treat wastewater so that the character difference between modified chitosan and chitosan is determined.The results indicate that carboxymethyl chitosan has better decolorization character(up to 43%) than chitosan,but their chemical oxygen demand(COD) is similar.

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What this paper is about

Under the optimized condition,carboxymethyl chitosan is prepared by using chitosan.The degree of substitution of sodium carboxymethyl is 0.65 under the optimum reaction condition.Then carboxymethyl chitosan is applied to treat wastewater so that the character difference between modified chitosan and chitosan is determined.The results indicate that carboxymethyl chitosan has better decolorization character(up to 43%) than chitosan,but their chemical oxygen demand(COD) is similar.

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Available abstract

Under the optimized condition,carboxymethyl chitosan is prepared by using chitosan.The degree of substitution of sodium carboxymethyl is 0.65 under the optimum reaction condition.Then carboxymethyl chitosan is applied to treat wastewater so that the character difference between modified chitosan and chitosan is determined.The results indicate that carboxymethyl chitosan has better decolorization character(up to 43%) than chitosan,but their chemical oxygen demand(COD) is similar.

Key concepts: Chitosan, Chemistry, Chemical oxygen demand, Wastewater, Nuclear chemistry, Organic chemistry, Waste management, Engineering

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