黄原酸化膨润土对甲基橙的吸附性能研究  

The removal behavior of xanthated bentonite for methyl orange

作　　者：李慧茹[1] 何玉凤[1] 李芳蓉[1] 王燕[1] 何文娟[1] 王荣民[1] 

机构地区：[1]生态环境相关高分子材料教育部重点实验室,甘肃省高分子材料重点实验室,西北师范大学化学化工学院,兰州730070

出　　处：《化工新型材料》2013年第1期70-72,共3页New Chemical Materials

基　　金：国家自然科学基金(20964002);甘肃省高校基本科研业务费专项资金项目(2010-176)

摘　　要：研究了黄原酸化膨润土(XB)对甲基橙的吸附性能,考察了甲基橙初始浓度、吸附时间、温度、pH值、吸附剂用量对其吸附性能的影响。结果表明:在15～25℃,[甲基橙]起始=300mg/L,pH=5～6,XB用量0.5g,吸附时间80min时,XB对甲基橙的去除率最高达98.5%,处理后染料废水可达标排放。吸附动力学研究表明,吸附过程符合准二级动力学吸附模型,以化学吸附为主。The adsorption of methyl orange by xanthated bentonite was studied. The main factors on methyl orange removal by XB were investigated in details, while the optimum conditions were as follows： initial concentration of methyl or ange was 300rag/L, the pH value was 5 （6, dosage of XB was 0. 5g, oscillating 80min at 15（25℃. The removal rate of meth- yl orange was up to 98.5%, and the wastewater can be discharged after being treated. The model of adsorption was well fit- ted with the pseudo-second-order kinetic madel in accnrdance withthe chemical absorption principle.

关 键 词：黄原酸化膨润土 吸附 甲基橙 

分 类 号：X703[环境科学与工程—环境工程]