Preparation and Characterization of Activated Carbon Fiber from Paper

被引：8

作者：

Zhang, Zong-jian ^{[1
]}

Li, Jia ^{[1
]}

Sun, Fu-sheng ^{[1
]}

Ng, Dickon H. L. ^{[2
]}

Kwong, Fung-luen ^{[2
]}

Liu, Shi-quan ^{[1
]}

机构：

[1] Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Peoples R China

[2] Chinese Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China

来源：

CHINESE JOURNAL OF CHEMICAL PHYSICS | 2011年 / 24卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Activated carbon fiber; Paper; Microstructure; Adsorption; Methylene blue; OIL-PALM STONE; METHYLENE-BLUE; ADSORPTION; BIOMASS; ACID; PYROLYSIS; POROSITY; KINETICS; SORPTION; REMOVAL;

D O I：

10.1088/1674-0068/24/01/103-108

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

Activated carbon fibers (ACFS) with surface area of 1388 m(2)/g prepared from paper by chemical activation with KOH has been utilized as the adsorbent for the removal of methylene blue from aqueous solution. The experimental data were analyzed by Langmuir and Freundlich models of adsorption. The effects of pH value on the adsorption capacity of ACFS were also investigated. The rates of adsorption were found to conform to the kinetic model of Pseudo-second-order equation with high values of the correlation coefficients (R>0.998). The Langmuir isotherm was found to fit the experimental data better than the Feundlich isotherm over the whole concentration range. Maximum adsorption capacity of 520 mg/g at equilibrium was achieved. It was found that pH played a major role in the adsorption process, higher pH value favored the adsorption of MB.

引用

页码：103 / 108

页数：6

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