Alkylpyridinium Alkylsulfate Ionic Liquids as Solvents for the Deterpenation of Citrus Essential Oil

被引：18
|
作者：
Lago, Sara [1 ]
Rodriguez, Hector [1 ]
Soto, Ana [1 ]
Arce, Alberto [1 ]
机构：
[1] Univ Santiago de Compostela, Dept Chem Engn, Santiago De Compostela, Spain
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2012年 / 47卷 / 02期
关键词：
ionic liquid; limonene; linalool; liquid-liquid equilibrium; solvent extraction; TERT-BUTYL ETHER; 298.15; K; PHYSICAL-PROPERTIES; REFRACTIVE-INDEXES; ORGANIC-SOLVENTS; TERNARY-SYSTEMS; PLUS COMPONENTS; PINE RESINS; EXTRACTION; HEXANE;
D O I：
10.1080/01496395.2011.625388
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The ionic liquids 1-methylpyridinium methylsulfate and 1-ethylpyridinium ethylsulfate were tested as solvents for the deterpenation by liquid-liquid extraction of citrus essential oil, simulated as a mixture of limonene and linalool. Liquid-liquid equilibrium data for the ternary systems limonene + linalool + 1-alkylpyridinium alkylsulfate (with the alkyl chain being methyl or ethyl) were determined at 298.15 K and atmospheric pressure, and suitably correlated with the UNIQUAC thermodynamic model. A comparison was established between the performance of these ionic liquids, as well as with others previously reported in the literature, to evaluate the influence of different structural features of the ionic liquids on their deterpenation ability.
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收藏
页码：292 / 299
页数：8
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