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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

Spectral studies of hydrogen bonding and interaction in the absorption processes of sulfur dioxide in poly(ethylene glycol) 400 + wter binary system / Jianbin Zhang in Industrial & engineering chemistry research, Vol. 49 N° 5 (Mars 2010) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 49 N° 5 (Mars 2010) . - pp. 2025–2030 Titre : Spectral studies of hydrogen bonding and interaction in the absorption processes of sulfur dioxide in poly(ethylene glycol) 400 + wter binary system Type de document : texte imprimé Auteurs : Jianbin Zhang, Auteur ; Fang Han, Auteur ; Xionghui Wei, Auteur Année de publication : 2010 Article en page(s) : pp. 2025–2030 Note générale : Industrial Chemistry Langues : Anglais (eng) Mots-clés : Sulfur  Dioxide;  Hydrogen;  Poly  ethylene  glycol;  PEG;  Spectroscopy Résumé : In previous work, poly(ethylene glycol) 400 (PEG) (1) + water (2) solutions (PEGWs) were used as a promising medium for the absorption processes of SO2. When conventional UV, Fourier transform infrared (FTIR), and 1H NMR spectroscopic techniques were used for inspection of spectral changes of PEGWs with increasing SO2 concentration, the spectral results suggest that H2O can interact with PEG by hydrogen bonds in PEGW; furthermore, SO2 can interact with PEG in various PEGWs by hydrogen-bonding interactions in the absorption processes of SO2. The results of this work can be used to provide important absorption mechanism for the design and operation of the absorption and desorption process in flue gas desulfurization (FGD) with potential industrial application of PEG aqueous solutions. Note de contenu : Bibliogr. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie9014759 [article] Spectral studies of hydrogen bonding and interaction in the absorption processes of sulfur dioxide in poly(ethylene glycol) 400 + wter binary system [texte imprimé] / Jianbin Zhang, Auteur ; Fang Han, Auteur ; Xionghui Wei, Auteur . - 2010 . - pp. 2025–2030. Industrial Chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 5 (Mars 2010) . - pp. 2025–2030 Mots-clés : Sulfur  Dioxide;  Hydrogen;  Poly  ethylene  glycol;  PEG;  Spectroscopy Résumé : In previous work, poly(ethylene glycol) 400 (PEG) (1) + water (2) solutions (PEGWs) were used as a promising medium for the absorption processes of SO2. When conventional UV, Fourier transform infrared (FTIR), and 1H NMR spectroscopic techniques were used for inspection of spectral changes of PEGWs with increasing SO2 concentration, the spectral results suggest that H2O can interact with PEG by hydrogen bonds in PEGW; furthermore, SO2 can interact with PEG in various PEGWs by hydrogen-bonding interactions in the absorption processes of SO2. The results of this work can be used to provide important absorption mechanism for the design and operation of the absorption and desorption process in flue gas desulfurization (FGD) with potential industrial application of PEG aqueous solutions. Note de contenu : Bibliogr. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie9014759