阳离子聚合物／膨润土对苯酚的吸附及其机理研究

阳离子聚合物／膨润土对苯酚的吸附及其机理研究

李静，岳钦艳*,李倩，高宝玉，原爱娟

山东大学环境科学与工程学院, 山东济南 250100

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2006-10-24 发布日期:2006-10-24
通讯作者: 岳钦艳

Adsorption of phenol on cationic polymer／bentonite and the mechanism research

LI Jing, YUE Qin-yan*, LI Qian, GAO Bao-yu, YUAN Ai-juan

School of Environmental Science and Engineering,Shandong University, Jinan 250100, Shandong, China

Received:1900-01-01 Revised:1900-01-01 Online:2006-10-24 Published:2006-10-24
Contact: YUE Qin-yan

摘要/Abstract

摘要： 采用阳离子聚合物聚环氧氯丙烷二甲铵(EPI-DMA)和聚二甲基二烯丙基氯化铵(PDMDAAC)分别对钠基膨润土进行了改性,研究了改性膨润土吸附苯酚的机理及其主要影响因素。实验结果表明,膨润土经阳离子聚合物改性后,吸附苯酚的能力大大提高。振荡时间、温度、pH值、离子浓度对阳离子聚合物／膨润土吸附苯酚的性能均有一定的影响。PDMDAAC／膨润土和EPI-DMA／膨润土分别在振荡时间为20min和60min时,达到吸附平衡;温度升高,吸附量下降,不利于吸附反应的进行;pH

关键词: 阳离子聚合物／膨润土, 苯酚, 吸附

Abstract: Two cationic polymer-epicholorohydrin-dimethylamine(EPI-DMA) and poly dimethyldiallylammonium (PDMDAAC) as intercalary reagents were respectively used to prepare a series of cationic polymer／bentonites. The adsorption of phenol on cationic polymer／bentonite and major effect factors were studied. The results showed that the adsorption ability of bentonite for phenol was improved greatly after modification. The pH of the solution, temperature, time of reaction and salt concentration have influences on the adsorption. The adsorption equilibrium time of PDMDAAC／bentonite and EPI-DMA／bentonite is respectively 20min and 60min. The adsorption ability decreases at higher temperature. When pH

Key words: phenol, adsorption, cationic polymer／bentonite

中图分类号:

X703.1

李静,岳钦艳*,李倩,高宝玉,原爱娟 . 阳离子聚合物／膨润土对苯酚的吸附及其机理研究[J]. J4, 2008, 43(9): 31-35 .

LI Jing,YUE Qin-yan*,LI Qian,GAO Bao-yu,YUAN Ai-juan . Adsorption of phenol on cationic polymer／bentonite and the mechanism research[J]. J4, 2008, 43(9): 31-35 .

参考文献

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