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《Journal of Beijing Forestry University》 2006-04
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Adsorption mechanism of macroporous adsorption resin of plant tannin

ZHANG Li-ping; SUN Chang-xia. College of Material Science and Technology, Beijing Forestry University, 100083, P. R. China  
This paper presents the analytical results of the study on adsorption kinetics and thermodynamic parameters on cation dye. Results showed that the process agreed with the Langmuir Equation and second reaction dynamics. Meanwhile, diffusion of dye micro-particles played a very important role in the adsorption process. From the thermodynamic parameter analysis, it had been testified that the adsorption process precipitated a temperature reaction. High temperatures do not benefit adsorption. The adsorption process appears to be a type of spontaneous physical adsorption.
【Fund】: “863”国家高新技术研究发展计划项目(2002AA322060).
【CateGory Index】: TQ028
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