Adsorption of methylene blue from aqueous solution on pyrophyllite

被引：68
|
作者：
Sheng, Jiawei [1 ]
Xie, Younan [1 ]
Zhou, Yan [1 ]
机构：
[1] Zhejiang Univ Technol, Coll Chem Engn & Mat Sci, Hangzhou 310032, Zhejiang, Peoples R China
来源：
APPLIED CLAY SCIENCE | 2009年 / 46卷 / 04期
关键词：
Pyrophyllite; Methylene blue; Adsorption; Acid activation; REMOVAL; DYE; KINETICS; WATER;
D O I：
10.1016/j.clay.2009.10.006
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：
The ability of raw and modified (milled, acid activated) pyrophyllite to adsorb methylene blue has been investigated. The absorption ability of raw and modified pyrophyllite increased with pH. The adsorption capacity of the raw powders was 3.7 mg/g, and increased to 3.8 mg/g, 3.9 mg/g and 42 mg/g, after acid activation, milling, and acid activation followed by milling. A good agreement between the pseudo-second-ot-der model and the experimental dada was reached. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：422 / 424
页数：3
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