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Method for evaluation of thermochemical and hybrid water-splitting cycles / Miguel Bagajewicz in Industrial & engineering chemistry research, Vol. 48 N° 19 (Octobre 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 19 (Octobre 2009) . - pp. 8985–8998 Titre : Method for evaluation of thermochemical and hybrid water-splitting cycles Type de document : texte imprimé Auteurs : Miguel Bagajewicz, Auteur ; Thang Cao, Auteur ; Robbie Crosier, Auteur Année de publication : 2009 Article en page(s) : pp. 8985–8998 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Thermochemical  water-splitting  cycles  Hybrid  water-splitting  cycles  Evaluation Résumé : This paper presents a methodology for the preliminary evaluation of thermochemical and hybrid water-splitting cycles based on efficiency. Because the method does not incorporate sufficient flowsheet details, the efficiencies are upper bounds of the real efficiencies. Nonetheless, they provide sufficient information to warrant comparison with existing well-studied cycles, supporting the decision to disregard them when the bound is too low or continuing their study. In addition, we add features not present in previous works: equilibrium conversions as well as excess reactants are considered. The degrees of freedom of each cycle (temperatures, pressures, and excess reactants) were also considered, and these values were varied to optimize the cycle efficiency. Ten cycles are used to illustrate the method. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801218b [article] Method for evaluation of thermochemical and hybrid water-splitting cycles [texte imprimé] / Miguel Bagajewicz, Auteur ; Thang Cao, Auteur ; Robbie Crosier, Auteur . - 2009 . - pp. 8985–8998. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 19 (Octobre 2009) . - pp. 8985–8998 Mots-clés : Thermochemical  water-splitting  cycles  Hybrid  water-splitting  cycles  Evaluation Résumé : This paper presents a methodology for the preliminary evaluation of thermochemical and hybrid water-splitting cycles based on efficiency. Because the method does not incorporate sufficient flowsheet details, the efficiencies are upper bounds of the real efficiencies. Nonetheless, they provide sufficient information to warrant comparison with existing well-studied cycles, supporting the decision to disregard them when the bound is too low or continuing their study. In addition, we add features not present in previous works: equilibrium conversions as well as excess reactants are considered. The degrees of freedom of each cycle (temperatures, pressures, and excess reactants) were also considered, and these values were varied to optimize the cycle efficiency. Ten cycles are used to illustrate the method. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801218b