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Hydrogen bonding and interaction in the absorption processes of sulfur dioxide in ethylene glycol + water binary desulfurization system / Jianbin Zhang in Industrial & engineering chemistry research, Vol. 48 N°3 (Février 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N°3 (Février 2009) . - p. 1287–1291 Titre : Hydrogen bonding and interaction in the absorption processes of sulfur dioxide in ethylene glycol + water binary desulfurization system Type de document : texte imprimé Auteurs : Jianbin Zhang, Auteur ; Pengyan Zhang, Auteur ; Fang Han, Auteur Année de publication : 2009 Article en page(s) : p. 1287–1291 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Sulfur  Dioxide  Ethylene  Glycol  Hydrogen  Desulfurization  System  Spectroscopy Résumé : In this work, ethylene glycol (EG) (1) + water (2) solutions (EGWs) were used as the promising medium for the absorption and desorption processes of SO2. Desorption data showed that SO2 can be desorbed easily from EGWs + SO2 at 333 K. Φ1 = 70−90% (volume fraction of EG in EGWs) were considered as reasonable compositions of desulfurization solution. Considering the industrial flue gas desulfurization (FGD) processes, Φ1 = 80% EGW (approximately 0.5 molar fraction of EG) was confirmed as the optimum composition of desulfurization solution. When conventional UV, FTIR, and 1H NMR spectroscopic techniques were used for inspection of spectral changes of SO2 in EGWs, the spectral results suggest that SO2 can interact with EG by hydrogen bonds. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801544t [article] Hydrogen bonding and interaction in the absorption processes of sulfur dioxide in ethylene glycol + water binary desulfurization system [texte imprimé] / Jianbin Zhang, Auteur ; Pengyan Zhang, Auteur ; Fang Han, Auteur . - 2009 . - p. 1287–1291. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N°3 (Février 2009) . - p. 1287–1291 Mots-clés : Sulfur  Dioxide  Ethylene  Glycol  Hydrogen  Desulfurization  System  Spectroscopy Résumé : In this work, ethylene glycol (EG) (1) + water (2) solutions (EGWs) were used as the promising medium for the absorption and desorption processes of SO2. Desorption data showed that SO2 can be desorbed easily from EGWs + SO2 at 333 K. Φ1 = 70−90% (volume fraction of EG in EGWs) were considered as reasonable compositions of desulfurization solution. Considering the industrial flue gas desulfurization (FGD) processes, Φ1 = 80% EGW (approximately 0.5 molar fraction of EG) was confirmed as the optimum composition of desulfurization solution. When conventional UV, FTIR, and 1H NMR spectroscopic techniques were used for inspection of spectral changes of SO2 in EGWs, the spectral results suggest that SO2 can interact with EG by hydrogen bonds. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801544t