期刊
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
卷 63, 期 -, 页码 125-132出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jtice.2016.02.020
关键词
AgCeY; Adsorption desulfurization; Equilibrium; Kinetics; Thermodynamics
资金
- National Natural Science Foundation of China [21276048]
- Natural Science Foundation of Heilongjiang Province, China [ZD201201]
effects of the adsorption temperature and time on the adsorption desulfurization of thiophene (TP) and benzothiophene (BT) were studied using a batch method at ambient conditions, respectively. The adsorption isotherms and kinetics of TP and BT onto AgCeY were studied, and the thermodynamic parameters (Delta G, Delta H) for the adsorption of TP and BT calculated, respectively. The results show that the isothermal equilibrium for TP and BT can both be represented by the Langmuir model, and the Langmuir constant K-L was found to decrease with an increase in temperature, which indicates that the adsorption processes are exothermic. The kinetics of the adsorption processes for TP and BT can both be described by the pseudo-first order model. The adsorptions are mass transfer controlled and exothermic. (c) 2016 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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