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Achievement of a homogeneous phase in ternary ionic liquid/carbon dioxide/organic systems / Maaike C. Kroon in Industrial & engineering chemistry research, Vol. 49 N° 7 (Avril 2010) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 49 N° 7 (Avril 2010) . - pp. 3474–3478 Titre : Achievement of a homogeneous phase in ternary ionic liquid/carbon dioxide/organic systems Type de document : texte imprimé Auteurs : Maaike C. Kroon, Auteur ; Louw J. Florusse, Auteur ; Eliane Kühne, Auteur Année de publication : 2010 Article en page(s) : pp. 3474–3478 Note générale : Industrial Chemstry Langues : Anglais (eng) Mots-clés : Homogeneous  Ternary  Ionic  Liquid  Carbon  Dioxide  Organic Résumé : A few years ago, it was found that carbon dioxide (CO2) is able to induce in ternary ionic liquid (IL) + organic systems, a “two-phase (L + V)−three-phase (L1 + L2 + V)−two-phase (L1 + L2)” transition by pressure increase. In the two liquid phase region (L1 + L2), one of the phases did not contain any IL. Therefore, the organic compound could be separated from the IL at increased CO2 pressure without any IL contamination. However, the occurrence of a homogeneous phase by further pressure increase, a so-called L1 + L2 → L transition, in the same systems was never observed before. Here, we demonstrate that in addition a third phase transition is possible upon further CO2 pressure increase, where the two liquid phases (L1 + L2) can be forced to form one homogeneous liquid phase (L). This phenomenon has promising implications for reactions and separations in systems using ILs. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie901405p [article] Achievement of a homogeneous phase in ternary ionic liquid/carbon dioxide/organic systems [texte imprimé] / Maaike C. Kroon, Auteur ; Louw J. Florusse, Auteur ; Eliane Kühne, Auteur . - 2010 . - pp. 3474–3478. Industrial Chemstry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 7 (Avril 2010) . - pp. 3474–3478 Mots-clés : Homogeneous  Ternary  Ionic  Liquid  Carbon  Dioxide  Organic Résumé : A few years ago, it was found that carbon dioxide (CO2) is able to induce in ternary ionic liquid (IL) + organic systems, a “two-phase (L + V)−three-phase (L1 + L2 + V)−two-phase (L1 + L2)” transition by pressure increase. In the two liquid phase region (L1 + L2), one of the phases did not contain any IL. Therefore, the organic compound could be separated from the IL at increased CO2 pressure without any IL contamination. However, the occurrence of a homogeneous phase by further pressure increase, a so-called L1 + L2 → L transition, in the same systems was never observed before. Here, we demonstrate that in addition a third phase transition is possible upon further CO2 pressure increase, where the two liquid phases (L1 + L2) can be forced to form one homogeneous liquid phase (L). This phenomenon has promising implications for reactions and separations in systems using ILs. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie901405p