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纸质活性炭纤维的制备及性能表征

Preparation and Characterization of Activated Carbon Fiber from Paper

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Activated carbon fibers (ACFS) with surface area of 1388 m2/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.

Activated carbon fiberPaperMicrostructureAdsorptionMethylene blue

张宗见、李嘉、孙富升、吴恒亮、邝丰栾、刘世权

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School of Materials Science and Engineering, University of Ji'nan, Ji'nan 250022, China

Department of Physics, The Chinese University of Hong Kong, Hong Kong, China

Activated carbon fiber Paper Microstructure Adsorption Methylene blue

国家自然科学基金Shandong Provincial Natural Science Foundation of ChinaShandong Provincial Natural Science Foundation of China

50972052ZR2009FM068ZR2009FM072

2011

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

化学物理学报(英文版)
中国物理学会

化学物理学报(英文版)

CSTPCDCSCDSCIEI
影响因子：0.162
ISSN：1674-0068
年,卷(期)：2011.24(1)
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