Adsorption Thermodynamics and Kinetics of 2-Thiopheneacetic Acid on Three Types of Resin

Abstract

Abstract: The adsorption thermodynamics and kinetics of 2-thiopheneacetic acid by XAD-4, NDA-100 and ND-90 resins were carried out through static experiments. The results showed that the adsorption of 2-thiopheneacetic acid on XAD-4 resin is Langmuir monolayer, and the adsorption rate appears to be the first order kinetics. The adsorption data of 2-thiopheneacetic acid on NDA-100 and ND-90 resin were also discribed well by the Langmuir isotherm, which is caused by the capillary condensation and the volume filling of micropores besides monolayer adsorption. The adsorption of 2-thiopheneacetic acid on NDA-100 and ND-90 resin passed through two processes: macropores and mespores area and micropores area. And the adsorption rates of the two processes are the first order kinetics.

Key words: Thiopheneacetic acid, Adsorption, Resin, Thermodynamics, Kinetics

CLC Number:

O647.3

TrendMD:

WEI Rui-Xia, CHEN Jin-Long, CHEN Lian-Long, FEI Zheng-Hao, LI Ai-Min, ZHANG Quan-Xing . Adsorption Thermodynamics and Kinetics of 2-Thiopheneacetic Acid on Three Types of Resin[J]. Chem. J. Chinese Universities, 2004, 25(11): 2095.

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Adsorption Thermodynamics and Kinetics of 2-Thiopheneacetic Acid on Three Types of Resin

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