{"title":"环己烷 + 苯 + 1-乙基-3-甲基咪唑鎓三氟甲磺酸盐/1-丁基-2,3-二甲基咪唑鎓四氯铁酸酯(III)三元体系的液-液平衡关系","authors":"Xiantong Shen, Xianbao Cui*, Mudasar Malokani, Jiawei Ba, Tianyang Feng and Taotao Fu, ","doi":"10.1021/acs.jced.4c00110","DOIUrl":null,"url":null,"abstract":"<p >The development of finding a more efficient separation process for mixtures of cyclohexane and benzene is a challenging problem, and liquid–liquid equilibrium (LLE) is some of the basic data for the development. In this work, LLE for benzene + cyclohexane + [EMim][OTf]/[BMMim][FeCl<sub>4</sub>] at <i>T</i> = 298.15, 308.15, 318.15 K and 101.3 kPa was experimentally measured, and thermodynamic consistency of the experimental data was tested by the Othmer-Tobias equation and the Hand equation. The experimental LLE data were correlated with the NRTL model, and the correlation results agreed well with the experimental data. The LLE data demonstrated that [EMim][OTf] exhibited high selectivity but showed a low distribution coefficient, and it is a good candidate for the separation of cyclohexane and benzene by pervaporation using a supported ionic liquid membrane. [BMMim][FeCl<sub>4</sub>] has a high distribution coefficient but relatively low selectivity and is a potential solvent for the separation of cyclohexane and benzene by extraction.</p>","PeriodicalId":42,"journal":{"name":"Journal of Chemical & Engineering Data","volume":null,"pages":null},"PeriodicalIF":2.0000,"publicationDate":"2024-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Liquid–Liquid Equilibria for Ternary Systems of Cyclohexane + Benzene + 1-Ethyl-3-methylimidazolium Trifluoromethanesulfonate/1-Butyl-2,3-dimethylimidazolium Tetrachloroferrate(III)\",\"authors\":\"Xiantong Shen, Xianbao Cui*, Mudasar Malokani, Jiawei Ba, Tianyang Feng and Taotao Fu, \",\"doi\":\"10.1021/acs.jced.4c00110\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >The development of finding a more efficient separation process for mixtures of cyclohexane and benzene is a challenging problem, and liquid–liquid equilibrium (LLE) is some of the basic data for the development. In this work, LLE for benzene + cyclohexane + [EMim][OTf]/[BMMim][FeCl<sub>4</sub>] at <i>T</i> = 298.15, 308.15, 318.15 K and 101.3 kPa was experimentally measured, and thermodynamic consistency of the experimental data was tested by the Othmer-Tobias equation and the Hand equation. The experimental LLE data were correlated with the NRTL model, and the correlation results agreed well with the experimental data. The LLE data demonstrated that [EMim][OTf] exhibited high selectivity but showed a low distribution coefficient, and it is a good candidate for the separation of cyclohexane and benzene by pervaporation using a supported ionic liquid membrane. [BMMim][FeCl<sub>4</sub>] has a high distribution coefficient but relatively low selectivity and is a potential solvent for the separation of cyclohexane and benzene by extraction.</p>\",\"PeriodicalId\":42,\"journal\":{\"name\":\"Journal of Chemical & Engineering Data\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.0000,\"publicationDate\":\"2024-05-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Chemical & Engineering Data\",\"FirstCategoryId\":\"1\",\"ListUrlMain\":\"https://pubs.acs.org/doi/10.1021/acs.jced.4c00110\",\"RegionNum\":3,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Chemical & Engineering Data","FirstCategoryId":"1","ListUrlMain":"https://pubs.acs.org/doi/10.1021/acs.jced.4c00110","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
摘要
为环己烷和苯的混合物找到一种更有效的分离工艺是一个具有挑战性的问题,而液液平衡(LLE)是开发过程中的一些基本数据。在这项工作中,实验测量了苯 + 环己烷 + [EMim][OTf]/[BMMim][FeCl4] 在 T = 298.15、308.15、318.15 K 和 101.3 kPa 下的液-液平衡,并通过 Othmer-Tobias 方程和 Hand 方程检验了实验数据的热力学一致性。将 LLE 实验数据与 NRTL 模型进行了关联,关联结果与实验数据吻合良好。LLE 数据表明,[EMim][OTf]具有较高的选择性,但分配系数较低,是利用支撑离子液体膜通过渗透蒸发分离环己烷和苯的良好候选物质。[BMMim][FeCl4]具有较高的分配系数,但选择性相对较低,是通过萃取分离环己烷和苯的潜在溶剂。
Liquid–Liquid Equilibria for Ternary Systems of Cyclohexane + Benzene + 1-Ethyl-3-methylimidazolium Trifluoromethanesulfonate/1-Butyl-2,3-dimethylimidazolium Tetrachloroferrate(III)
The development of finding a more efficient separation process for mixtures of cyclohexane and benzene is a challenging problem, and liquid–liquid equilibrium (LLE) is some of the basic data for the development. In this work, LLE for benzene + cyclohexane + [EMim][OTf]/[BMMim][FeCl4] at T = 298.15, 308.15, 318.15 K and 101.3 kPa was experimentally measured, and thermodynamic consistency of the experimental data was tested by the Othmer-Tobias equation and the Hand equation. The experimental LLE data were correlated with the NRTL model, and the correlation results agreed well with the experimental data. The LLE data demonstrated that [EMim][OTf] exhibited high selectivity but showed a low distribution coefficient, and it is a good candidate for the separation of cyclohexane and benzene by pervaporation using a supported ionic liquid membrane. [BMMim][FeCl4] has a high distribution coefficient but relatively low selectivity and is a potential solvent for the separation of cyclohexane and benzene by extraction.
期刊介绍:
The Journal of Chemical & Engineering Data is a monthly journal devoted to the publication of data obtained from both experiment and computation, which are viewed as complementary. It is the only American Chemical Society journal primarily concerned with articles containing data on the phase behavior and the physical, thermodynamic, and transport properties of well-defined materials, including complex mixtures of known compositions. While environmental and biological samples are of interest, their compositions must be known and reproducible. As a result, adsorption on natural product materials does not generally fit within the scope of Journal of Chemical & Engineering Data.