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Effect of H2O on the desulfurization of simulated flue gas by an ionic liquid / Shuhang Ren in Industrial & engineering chemistry research, Vol. 48 N° 10 (Mai 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 10 (Mai 2009) . - pp. 4928–4932 Titre : Effect of H2O on the desulfurization of simulated flue gas by an ionic liquid Type de document : texte imprimé Auteurs : Shuhang Ren, Auteur ; Yucui Hou, Auteur ; Weize Wu, Auteur Année de publication : 2009 Article en page(s) : pp. 4928–4932 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Ionic  liquids  SO2  Large-scale  desulfurization  Mixed  gases Résumé : Functionalized ionic liquids (ILs) have been demonstrated to absorb SO2 from mixed gases or simulated flue gases efficiently. However, after absorbing a large amount of SO2, the viscosity of the ILs increases greatly, which might limit their eventual applications in large-scale desulfurization from mixed gases or flue gases. In this work, the effect of the presence of water in a simulated flue gas on the absorption of SO2 by a functionalized ionic liquid, 1,1,3,3-tetramethylguanidinium lactate, has been studied at different temperatures. It is found that the presence of water in the simulated flue gas can decrease the viscosity of the IL greatly, and it has no effect on the absorptivity of SO2 from the flue gas. The densities of the IL absorbing SO2 from the flue gas with or without water are also studied. They increase with the increase of the amount of SO2 absorbed from the flue gas in both cases. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie9000844 [article] Effect of H2O on the desulfurization of simulated flue gas by an ionic liquid [texte imprimé] / Shuhang Ren, Auteur ; Yucui Hou, Auteur ; Weize Wu, Auteur . - 2009 . - pp. 4928–4932. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 10 (Mai 2009) . - pp. 4928–4932 Mots-clés : Ionic  liquids  SO2  Large-scale  desulfurization  Mixed  gases Résumé : Functionalized ionic liquids (ILs) have been demonstrated to absorb SO2 from mixed gases or simulated flue gases efficiently. However, after absorbing a large amount of SO2, the viscosity of the ILs increases greatly, which might limit their eventual applications in large-scale desulfurization from mixed gases or flue gases. In this work, the effect of the presence of water in a simulated flue gas on the absorption of SO2 by a functionalized ionic liquid, 1,1,3,3-tetramethylguanidinium lactate, has been studied at different temperatures. It is found that the presence of water in the simulated flue gas can decrease the viscosity of the IL greatly, and it has no effect on the absorptivity of SO2 from the flue gas. The densities of the IL absorbing SO2 from the flue gas with or without water are also studied. They increase with the increase of the amount of SO2 absorbed from the flue gas in both cases. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie9000844