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Activity Coefficients at Infinite Dilution for Hydrocarbons in Fatty Alcohols Determined by Gas−Liquid Chromatography

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Laboratory of Thermodynamics and Molecular Modeling, Faculty of Chemistry, USTHB, Bab Ezzouar, BP 32 El-Alia, 16111 Algiers, Algeria
University Center of Khemis-Miliana, Theniat Elhad Road, 44225, Soufay, Khemis-Miliana, Ain-Defla, Algeria
§ UER of Applied Chemistry, Polytechnic Military School, EMP, BP 17 Bordj El-Bahri, Algiers, Algeria
Cite this: J. Chem. Eng. Data 2011, 56, 4, 850–858
Publication Date (Web):November 4, 2010
https://doi.org/10.1021/je1005517
Copyright © 2010 American Chemical Society

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    Abstract

    The selection of the most suitable selective solvent for separation processes such as extraction or extractive distillation plays an important role in the economical design. Since the largest deviation from ideality is observed at infinite dilution, limiting activity coefficients (γ) provide a useful tool for the optimal choice of the selective solvent. Therefore, activity coefficients at infinite dilution have been measured for 22 solutes (paraffins, olefins, chloroparaffins, aromatics, ketones, ethers, alcohols, and acetates) in fatty alcohols: octadecanol and eicosanol as a solvent. The measurements were carried out with the help of gas−liquid chromatography (GLC) at five and four temperatures, respectively. Furthermore, the observed temperature dependence of limiting activity coefficients is confirmed using excess enthalpy data. To determine the different interactions between the solutes and the solvents, the linear solvation energy relationship (LSER) or “Abraham method” is applied. To verify the application as an entrainer, the selectivity and capacity of the investigated solvents are calculated from experimental activity coefficient data.

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    Cited By

    This article is cited by 4 publications.

    1. Nisha Sudhir, Pooja Yadav, Ruchika Sah, Bhagat Nautiyal, Prasenjit Ghosh, Shrikant Madhusudan Nanoti, Rakesh Singh. Measuring Activity Coefficient at Infinite Dilution of Hydrocarbons in Ionic Liquids and Evaluation of Other Thermodynamic Properties using Gas Chromatography. Journal of Chemical & Engineering Data 2019, 64 (8) , 3337-3345. https://doi.org/10.1021/acs.jced.9b00170
    2. Jiang Kan, Li-Sheng Wang, Xin-Xin Wang, and Jia-Dong Duan . Activity Coefficients of Organic Solutes at Infinite Dilution in the Ionic Liquids. 2. Organic Solutes in 1-Hexyl-3-methylimidazolium Nitrate and Gas–Liquid Partitioning and Interfacial Adsorption Using Gas–Liquid Chromatography. Industrial & Engineering Chemistry Research 2012, 51 (38) , 12479-12487. https://doi.org/10.1021/ie301591j
    3. Thomas Brouwer, Sascha R.A. Kersten, Gerrald Bargeman, Boelo Schuur. trends in solvent impact on infinite dilution activity coefficients of solutes reviewed and visualized using an algorithm to support selection of solvents for greener fluid separations. Separation and Purification Technology 2021, 272 , 118727. https://doi.org/10.1016/j.seppur.2021.118727
    4. Hesam Ahmadian Behrooz, R. Bozorgmehry Boozarjomehry. Prediction of limiting activity coefficients for binary vapor-liquid equilibrium using neural networks. Fluid Phase Equilibria 2017, 433 , 174-183. https://doi.org/10.1016/j.fluid.2016.10.033

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