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2006•Sichuan EnvironmentRequires access

Study on Printing and Dyeing Wastewater Treatment by Chitosan

Wei Zhang

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Abstract

Under the conditions of different chitosan concentrations,pH and temperatures,adopt the spectrophotometry to measure the concentrations of the absorbed dyes,get the best adsorption conditions of dyes,that is,the dosage of the(chitosan) is within the range of 2% red 3B,3% blue 2BG and yellow 3GE respectively,pH 8.4 in the range of alkaline,and the(optimum) temperature of 50℃.The result provides some theoretical foundation for printing and dyeing wastewater treatment by chitosan.

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What this paper is about

Under the conditions of different chitosan concentrations,pH and temperatures,adopt the spectrophotometry to measure the concentrations of the absorbed dyes,get the best adsorption conditions of dyes,that is,the dosage of the(chitosan) is within the range of 2% red 3B,3% blue 2BG and yellow 3GE respectively,pH 8.4 in the range of alkaline,and the(optimum) temperature of 50℃.The result provides some theoretical foundation for printing and dyeing wastewater treatment by chitosan.

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Available abstract

Under the conditions of different chitosan concentrations,pH and temperatures,adopt the spectrophotometry to measure the concentrations of the absorbed dyes,get the best adsorption conditions of dyes,that is,the dosage of the(chitosan) is within the range of 2% red 3B,3% blue 2BG and yellow 3GE respectively,pH 8.4 in the range of alkaline,and the(optimum) temperature of 50℃.The result provides some theoretical foundation for printing and dyeing wastewater treatment by chitosan.

Key concepts: Chitosan, Dyeing, Adsorption, Wastewater, Chemistry, Pulp and paper industry, Nuclear chemistry, Materials science

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