Adsorption isotherms of phenolic compounds from aqueous solutions onto activated carbon fibers

被引：119
|
作者：
Juang, RS [1 ]
Wu, FC [1 ]
Tseng, RL [1 ]
机构：
[1] LIEN HO JR COLL TECHNOL,DEPT ENVIRONM CHEM & ENGN,MIAOLI 360,TAIWAN
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 1996年 / 41卷 / 03期
关键词：
D O I：
10.1021/je950238g
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Liquid-phase adsorption equilibria of eight phenolic compounds onto activated carbon fibers were measured in the concentration range 40-500 g . m(-3) at 303 K. High adsorption capacities were observed for the chlorinated phenols compared to the methyl-substituted phenols. Several two- and three-parameter isotherm equations were tested. Among the equations tried, the three-parameter equation of Jossens et al. based on a heterogeneous surface adsorption theory was found to be the most satisfactory over the entire range of concentration. The widely used two-parameter equations of Langmuir and Freundlich were not applicable to the present adsorption systems.
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收藏
页码：487 / 492
页数：6
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