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

被引：121

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.

引用

页码：487 / 492

页数：6

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