Adsorption Isotherm and Kinetics of Dibenzofuran on Granular Activated Carbons

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Adsorption Isotherm and Kinetics of Dibenzofuran on Granular Activated Carbons

LIXiang;LIZhong; LUOLing＇ai

^aInstitute of Chemical Engineering, South China University of Technology, Guangzhou 510640, China
^b Chemistry Department, Zhaoqing University, Zhaoqing 526061, China [3]LOCIE ESIGEC-Universite de Savoie, Campus Scientifique, Savoie Technolac, 73376, Le Bourget-Du-Lac cedex,France

Received:1900-01-01 Revised:1900-01-01 Online:2005-10-28 Published:2005-10-28
Contact: LI Xiang

二苯并呋喃在活性炭上的吸附相平衡和动力学

李湘^a,b;李忠^a;罗灵爱^c

^a Institute of Chemical Engineering, South China University of Technology, Guangzhou 510640, China
^b Chemistry Department, Zhaoqing University, Zhaoqing 526061, China [3]LOCIE ESIGEC-Universite de Savoie, Campus Scientifique, Savoie Technolac, 73376, Le Bourget-Du-Lac cedex,France

通讯作者: 李湘

Abstract

Abstract: The adsorption of dibenzofuran on three commercial granular activated carbons （ACs） was investigated by dynamic experiment to correlate the adsorption equilibrium and kinetics with the structure of activated carbons. Physical properties including surface area, average pore diameter, micropore area and micropore volume of the activated carbons were characterized by N2 adsorption experiment on ASAP2010. To calculate the adsorption parameters, adsorption isotherm data were fitted to the Langmuir equation, and adsorption kinetic data were fitted to the linear driving force （LDF） diffusion model. From the correlation results, it is concluded that the adsorption equilibrium and diffusion coefficient of dibenzofuran on activated carbon are controlled respectively by the total adsorbent surface area and the adsorbent pore diameter.

Key words: adsorption isotherm, diffusion coefficient, physical structure, dibenzofuran, activated carbons

摘要：

The adsorption of dibenzofuran on three commercial granular activated carbons （ACs） was investigated by dynamic experiment to correlate the adsorption equilibrium and kinetics with the structure of activated carbons. Physical properties including surface area, average pore diameter, micropore area and micropore volume of the activated carbons were characterized by N2 adsorption experiment on ASAP2010. To calculate the adsorption parameters, adsorption isotherm data were fitted to the Langmuir equation, and adsorption kinetic data were fitted to the linear driving force （LDF） diffusion model. From the correlation results, it is concluded that the adsorption equilibrium and diffusion coefficient of dibenzofuran on activated carbon are controlled respectively by the total adsorbent surface area and the adsorbent pore diameter.

关键词: 二苯并呋喃;活性炭;吸附动力学;相平衡;吸附等温线;扩散系数;物理结构

LIXiang,LIZhong, LUOLing＇ai. Adsorption Isotherm and Kinetics of Dibenzofuran on Granular Activated Carbons[J]. .

李湘,李忠,罗灵爱. 二苯并呋喃在活性炭上的吸附相平衡和动力学 [J]. CIESC Journal.

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