(Solid + liquid) equilibria of (nalkanes + ethyl 1,1-dimethylpropyl ether) |
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| Affiliation: | 1. Laboratoire de Physique des Solides, CNRS, Univ. Paris Sud, Université Paris Saclay, 91405 Orsay, France;2. Key Laboratory of Space Applied Physics and Chemistry, Ministry of Education, School of Science, Northwestern Polytechnical University, Xi’an 710072, China;3. School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom;4. Laboratoire des Interfaces Complexes et de l’Organisation Nanométrique, ECE Paris Ecole d’Ingénieurs, 37 Quai de Grenelle, F-75015 Paris, France;5. Laboratoire Léon Brillouin, CEA Saclay, UMR CNRS 12, 91191 Gif sur Yvette, France;6. CERMAV, UPR 5301 CNRS, BP 53, 38041 Grenoble Cedex 9, France;1. Department of Analytical and Environmental Chemistry and Szentágothai Research Center, University of Pécs, Ifjúság útja 6, H-7624 Pécs, Hungary;2. MTA-PTE Molecular Interactions in Separation Science Research Group, Ifjúság útja 6, H-7624 Pécs, Hungary;1. School of Architecture and Civil Engineering, Northeast Petroleum University, Fazhan Lu Street, Daqing 163318, China;2. College of Engineering, Mechanical Engineering Department, Babylon City, Hilla, Iraq;1. Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, VA 23284, USA;2. National Energy Technology Laboratory, Research & Innovation Center, U.S. Department of Energy, Pittsburgh, PA 15236, USA;3. Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA;4. AECOM, NETL Site Support Contractor, Pittsburgh, PA 15236, USA;1. Politecnico di Milano - Department of Energy, Via Lambruschini 4, 20156, Milano, Italy;2. LEAP S.c.a r.l. - Laboratorio Energia e Ambiente Piacenza, Via Nino Bixio 27C, 29121, Piacenza, Italy |
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| Abstract: | (Solid + liquid) equilibria (s.l.e.) have been measured atT > 280 K for (octadecane, or nonadecane, or eicosane, or heneicosane, or docosane, or tricosane, or tetracosane, or hexacosane, or heptacosane, or octacosane + ethyl 1,1-dimethylpropyl ether ETAE). The experimental results are compared with values calculated by means of the Wilson, UNIQUAC and NRTL equations utilizing parameters derived from the experimental s.l.e. The existence of a (solid + solid) first-order phase transition in hydrocarbons has been taken into consideration in the solubility calculations. The solubility of hydrocarbons in branched-chain ethers is lower than that in n -alkanes but higher than that in cycloalkanes, branched alkanes, 1-alcohols andtert -alcohols. The best correlation of the solubility data has been obtained by the NRTL equation where the average root-mean-square deviation of the solubility temperatures is 0.36 K. |
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