Studies on Extraction of Acetic Acid with TBP in Various Diluents

Abstract

Abstract: The extraction of acetic acid with TBPin different diluents was studied.The decreasing order of extraction ability of TBPis as follows:toluene,benzene,cyclohexane,kerosene, tetrachloride, chloroform and methyl isobutylketone.The effect of temperatureon the extraction equilibrium was also investigated and the enthalpy of the extraction was obtained.The relationship between the extraction equilibrium constants K_ex,and the physicalparameters of diluents can be derived.The extraction mechanism and equilibrium were examined by measurements of IRspectrophotometry.

Key words: Acetic acid, TBP, Extraction, Diluent

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YANG Yan-Zhao, YANG Yong-Hui, SUN Guo-Xin, MENG Xiang-Jian, WANG Zhen-Qiao, SUN Si-Xiu. Studies on Extraction of Acetic Acid with TBP in Various Diluents[J]. Chem. J. Chinese Universities, 1996, 17(4): 515.

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Studies on Extraction of Acetic Acid with TBP in Various Diluents

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