Study on the thermodynamic properties of adsorption of ethyl benzoate and diethyl phthalate by phenolic resin adsorbents

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	Study on the thermodynamic properties of adsorption of ethyl benzoate and diethyl phthalate by phenolic resin adsorbents
其他题名	Study on the thermodynamic properties of adsorption of ethyl benzoate and diethyl phthalate by phenolic resin adsorbents
	Wang Z 1; Shi ZQ 1; Shi RF 1; Fan YG 1; Yang YZ 1
	2004
发表期刊	CHINESE JOURNAL OF POLYMER SCIENCE
ISSN	0256-7679
卷号	22 期号:3 页码:239-245
摘要	This paper presents experimental observations on the adsorption of individual solutes by a simple thermodynamic framework, and the equilibrium adsorption of ethyl benzoate and diethyl phthalate on phenolic resin adsorbent in hexane solutions within the temperature range of 293-313 K. The experimental results show that the Freundlich adsorption law is applicable to the adsorption of ethyl benzoate and diethyl phthalate on the adsorbent, since all the correlative factors R' are larger than 0.99. The negative values of all the isosteric adsorption enthalpies for ethyl benzoate and diethyl phthalate indicate that they undergo exothermic processes, while their magnitudes (19-28 kJ/mol) manifest a hydrogen bonding sorption process. Other thermodynamic properties: the free energy changes and the entropy change associated with the adsorption have been calculated from the Gibbs adsorption equation and the Gibbs-Helmholtz equation.
其他摘要	This paper presents experimental observations on the adsorption of individual solutes by a simple thermodynamic framework, and the equilibrium adsorption of ethyl benzoate and diethyl phthalate on phenolic resin adsorbent in hexane solutions within the temperature range of 293-313 K. The experimental results show that the Freundlich adsorption law is applicable to the adsorption of ethyl benzoate and diethyl phthalate on the adsorbent, since all the correlative factors R' are larger than 0.99. The negative values of all the isosteric adsorption enthalpies for ethyl benzoate and diethyl phthalate indicate that they undergo exothermic processes, while their magnitudes (19-28 kJ/mol) manifest a hydrogen bonding sorption process. Other thermodynamic properties: the free energy changes and the entropy change associated with the adsorption have been calculated from the Gibbs adsorption equation and the Gibbs-Helmholtz equation.
关键词	phenolic resin adsorbent adsorption ethyl benzoate diethyl plithalate
收录类别	CSCD
语种	英语
CSCD记录号	CSCD:1846323
引用统计	被引频次：1[CSCD] [CSCD记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/143240
专题	中国科学院金属研究所
作者单位	1.南开大学 2.中国科学院金属研究所
推荐引用方式 GB/T 7714	Wang Z,Shi ZQ,Shi RF,et al. Study on the thermodynamic properties of adsorption of ethyl benzoate and diethyl phthalate by phenolic resin adsorbents[J]. CHINESE JOURNAL OF POLYMER SCIENCE,2004,22(3):239-245.
APA	Wang Z,Shi ZQ,Shi RF,Fan YG,&Yang YZ.(2004).Study on the thermodynamic properties of adsorption of ethyl benzoate and diethyl phthalate by phenolic resin adsorbents.CHINESE JOURNAL OF POLYMER SCIENCE,22(3),239-245.
MLA	Wang Z,et al."Study on the thermodynamic properties of adsorption of ethyl benzoate and diethyl phthalate by phenolic resin adsorbents".CHINESE JOURNAL OF POLYMER SCIENCE 22.3(2004):239-245.