CTMAB-粘土吸附处理水中苯酚、苯胺和对硝基苯酚的性能及应用研究  

CTMAB-CLAYS AS ADSORBENTS FOR PHENOL、ANILINE AND 4-NITROPHENOL AND THEIR APPLICATION IN WATER TREATMENT

作　　者：朱利中[1,2] 陈曙光[1,2] 陈元 沈学优[1,2] 陆军 

机构地区：[1]杭州大学环境科学系 [2]肖山城建局排水管理处

出　　处：《水处理技术》1997年第5期291-296,共6页Technology of Water Treatment

基　　金：浙江省教委资助

摘　　要：本文用溴化十六烷基三甲铵（ＣＴＭＡＢ）分别改性膨润土、沸石和硅藻土，研究了ＣＴＭＡＢ－粘土吸附处理水中苯酚、对硝基苯酚和苯胺的适宜条件，探讨了粘土种类、改性时所用ＣＴＭＡＢ浓度以及有机物本身性质对粘土吸附性能的影响。结果表明，ＣＴＭＡＢ－粘土吸附处理有机物的性能表现如下：同种有机粘土处理不同有机物时，对硝基苯酚的去除效果最好；不同有机粘土处理同种有机物时，ＣＴＭＡＢ－膨润土去除有机物的效果最好；一定条件下，有机粘土对有机物的去除率与其正辛醇－水分配系数成正比。A series of CTMAB-Clays was synthesized by modifying bentonite, zeolite and diatomite respectively with cetyltrimethyl ammonium bromide (CTMAB). Their ability to absorb organic compounds was examined. It was indicated that the absorbing characteristics of CTMAB-clays were affected by the types of clays and CTMAB concentrations. The ability of CTMAB-clays to adsorb organic compounds in water were as following:When the same CTMAB-clays treating different organic compounds, 4-nitrophenol was easily removed. When different CTMAB-clays treating same organic compounds,CTMAB-bentonite was superior to the other CTMAB-clays. Under certain conditions,the removal rates of CTMAB-clays to treat organic compounds in water were in proportion to octanol-water partition coefficients of the organic compounds.

关 键 词：CTMAB 有机粘土 吸附 水处理 苯酶 苯胺 

分 类 号：X703[环境科学与工程—环境工程]