羧甲基壳聚糖对茜素黄GG的絮凝作用  

Flocculent Function of Carboxymethyl Chitin to the Alizarin Yellow GG

作　　者：周莉[1] 吴弈光[1] 方冬朋[1] 刘波[1] 韦少慧[1] 廖传东[1] 

机构地区：[1]深圳大学化学与化工,广东深圳518060

出　　处：《环境科学与技术》2009年第4期67-69,共3页Environmental Science & Technology

摘　　要：文章采用羧甲基壳聚糖对茜素黄GG水溶液进行处理,研究了羧甲基壳聚糖浓度、溶液的pH值、温度、时间变化对脱色率及化学需氧量变化的影响。研究表明:在pH=3,羧甲基壳聚糖添加量为0.0858g/L,25°C下反应5h后有很好的脱色效果,最佳脱色率达85.96%,COD去除率为73.91%。Carboxymethylchitin is adopted to treat Alizarin Yellow GG. A study is devoted to the effects of pH, amount of addition carboxymethylchitin, temperature and time on the decoloration of the solution. Result shows a good flocculent decolorizing effect of carboxymethylchitin on Alizarin Yellow GG. When the amount of addition carboxymethylchitin is 0.0858g/L , the adsorption time is 5h at 25℃, pH is 3, decoloration is very good, with rate of decolorization up to 85.96% and removal rate of COD 73.91%.

关 键 词：羧甲基壳聚糖 茜素黄GG 絮凝作用 脱色率 COD 

分 类 号：X132[环境科学与工程—环境科学]