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Mutual Solubilities of Ammonium-based Ionic Liquids with Water and with Water/Methanol Mixture
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SYSNO ASEP 0383278 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Ostatní články Název Mutual Solubilities of Ammonium-based Ionic Liquids with Water and with Water/Methanol Mixture Tvůrce(i) Machanová, Karolina (UCHP-M) RID, SAI
Jacquemin, J. (GB)
Wagner, Zdeněk (UCHP-M) RID, SAI, ORCID
Bendová, Magdalena (UCHP-M) RID, ORCID, SAIZdroj.dok. Procedia Engineering. - Amsterdam : Elsevier BV
Roč. 42, SI (2012), s. 1229-1241Poč.str. 13 s. Akce International Congress of Chemical and Process Engineering CHISA 2012 and 15th Conference PRES 2012 /20./ Datum konání 25.08.2012-29.08.2012 Místo konání Prague Země CZ - Česká republika Typ akce WRD Jazyk dok. eng - angličtina Země vyd. NL - Nizozemsko Klíč. slova Ionic liquids ; liquid-liquid equilibria ; solubility Vědní obor RIV CF - Fyzikální chemie a teoretická chemie Institucionální podpora UCHP-M - RVO:67985858 DOI 10.1016/j.proeng.2012.07.515 Anotace This work presents a study on solubility in water and in water/methanol mixture of a set of ILs composed of the bis(trifluoromethylsulfonyl)imide anion and of the N-alkyl-triethyl-ammonium cation (abbrev. [NR,222][NTf2]) with the alkyl chain R ranging from 6 to 12 carbons. Mutual solubilities between ILs and water, as well as between ILs and methanol/water mixture were investigated in detail. These solubilities were measured using two well-known and accurate experimental techniques based on a volumetric and a cloud-point methods. Both methods enabled us to measure the Tx diagrams reflecting the mutual solubilities between water (or water/methanol) and selected ILs in the temperature range from 293.15 to 338.15 K. The data were fitted by using the modified Flory-Huggins equation proposed by de Sousa and Rebelo and compared also with the prediction carried out by the Cosmo-RS methodology. Pracoviště Ústav chemických procesů Kontakt Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Rok sběru 2013
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