【作者】 刘秉涛； 赵丽敏；

【Author】 IIUBing-tao WANG Hai-rong LI Kai-Hui(North China Institute of Water Conservancy and Hydroelectric Power, zhengzhou, 450008)

【机构】 华北水利水电学院环境工程系；

【摘要】 本文通过正交试验,论述了用羧甲基壳聚糖作为絮凝剂对直接耐晒蓝B-2V、直接深蓝B-2GL、直接大红B-3G、棕色和棕黄色五种水溶性染料的脱色效果和机理,确定了影响脱色效果的主次因素顺序为:pH值、絮凝剂用量、染料种类、搅拌时间、静置时间,并绘制出羧甲基壳聚糖对五种水溶性染料的吸附等温线。更多还原

【Abstract】 This article mainly reviews the application of the carboxymethy chitosan to treat dyeing wastewater. Studied The Decoloration of five direct dyes with carboxymethy chitosan . Discussed several factors such as the amount of agents, pH value, stirring time, settling time ,and the color of dyes on the effect of decoloration. The adsorption isotherms of the five direct dyes on carboxymethy chitosan were fitted to Freundlich equations.更多还原