Adsorption of methylene blue and orange II onto unmodified and surfactant-modified zeolite

被引：193

作者：

Jin, Xiaoying ^{[1
]}

Jiang, Ming-qin ^{[1
]}

Shan, Xaio-quan ^{[2
]}

Pei, Zhi-guo ^{[2
]}

Chen, Zuliang ^{[1
]}

机构：

[1] Fujan Normal Univ, Sch Chem & Mat Sci, Fuzhou 350007, Peoples R China

[2] Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2008年 / 328卷 / 02期

关键词：

Unmodified and surfactant-modified zeolite; Adsorption; Methylene blue; Orange II;

D O I：

10.1016/j.jcis.2008.08.066

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Adsorption of cationic methylene blue and anionic orange II onto unmodified and surfactant-modified zeolites was studied using a batch equilibration method. The effects of equilibrium time, solution pH, and sorption temperature were examined. The results suggested that 2% sodium dodecyl benzenesulfonate (SDBS)- and 3% sodium dodecyl sulfate (SDS)-modified zeolites had higher adsorption capacities for methylene blue than the unmodified zeolite, while 2% cetylpyridinium bromide hexadecyl (CPB)- and 2% hexadecylammonium bromide (HDTMA)-modified zeolites were the best adsorbents for orange II. The adsorption conditions were optimized, and the mechanisms of adsorption are briefly discussed. (C) 2008 Elsevier Inc. All rights reserved.

引用

页码：243 / 247

页数：5

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