壳聚糖改性膨润土处理实验室废水的研究  

Study on Treatment of Laboratory Waste Water with Bentonite Modified by Chitosan

作　　者：孙建华[1] 孙伶[2] 

机构地区：[1]渤海大学生命与食品科学学院,辽宁锦州121000 [2]沈阳化工学院环境与生物工程学院,辽宁沈阳110042

出　　处：《辽宁化工》2007年第2期107-109,共3页Liaoning Chemical Industry

摘　　要：利用脱乙酰度为90%、浓度为0.5%的壳聚糖溶液对膨润土进行改性,制备了壳聚糖改性膨润土,并应用于实验室废水,对水处理影响因素进行了优化,在pH=6、投加量为1.2 g/mL,搅拌时间分别为10、12 min条件下,改性后膨润土对实验室废水中色度、浊度的去除率分别达到94.60%、92.80%,结果令人满意。The modified bentonite was prepared through modification of bentonite with deacetyl degree 90 %. concentration 0.5 % chi- tosan solution. Treatment of laboratory waster water was carried out with this modified bentonite. The ilrfluence factors in treatment of laboratory waste water were discussed, under the conditions of pH = 6. dosage 1.2 g/mL stirring time 10 min and 12 min respectively, the removal rates of ehroma and turbidity were 94.60 % and 92.80 % respectively.

关 键 词：膨润土 壳聚糖改性 实验室废水 脱色 除浊 

分 类 号：TQ424[化学工程]