Water Intelligence Online © IWA Publishing 2003
Removal of Aniline from Aqueous Solution by Macroporous Adsorptive Resin
Zhan Xinmin*, Wang Jianlong, Wen Xianghua and Qian Yi
*State Key Joint Laboratory on Environment Simulation and Pollution Control, Department of Environmental Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
ABSTRACT
Removal of aniline from aqueous solution by macro-porous adsorptive resin, which was made in China, was investigated in this paper. The experimental results showed that the adsorption of aniline onto macro-porous resin can be completed within 180 min. The adsorption kinetics of aniline onto macro-porous resin can be described by a pseudo first-order reaction model. The rate constant (k1) was calculated to be 0.04 min-1 at the temperature of 298 K. The adsorption capacity ranged from 199 to 1490 mg/g resin when the initial aniline concentration varied from 262 to 3180 mg/l. The adsorption isotherms can be described by Langmuir equation and Freundlich equation. Temperature affected the adsorption process. Increasing temperature decreased of adsorption capacity and fastened the adsorption rate.
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UNIQUE ID: 200310028
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