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Study on the relationship between absorbed S(IV) and pH in the seawater flue gas desulfurization process / Tian Lan in Industrial & engineering chemistry research, Vol. 51 N° 12 (Mars 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 12 (Mars 2012) . - pp. 4478–4484 Titre : Study on the relationship between absorbed S(IV) and pH in the seawater flue gas desulfurization process Type de document : texte imprimé Auteurs : Tian Lan, Auteur ; Xingwang Zhang, Auteur ; Qingni Yu, Auteur Année de publication : 2012 Article en page(s) : pp. 4478–4484 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Seawater  Desulfurization Résumé : Seawater flue gas desulfurization (SFGD) is a promising process for coal-burning power plants located along the coast. The aim of this work was to study the seawater outflow characteristics, especially the relationship between absorbed S(IV) and pH in the SFGD process. The equilibrium concentration of SO2 in seawater was studied under different seawater usages and SO2 concentrations in the flue gas. The experimental results showed that approximately 25% of absorbed S(IV) was oxidized to S(VI) by surplus oxygen in the flue gas during the absorption process. An equilibrium model was established to describe the relationship between absorbed SO2 and pH. The integral desulfurization efficiency of the absorption system was analyzed, and the results showed that desulfurization efficiency can reach up to 90%. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie202770b [article] Study on the relationship between absorbed S(IV) and pH in the seawater flue gas desulfurization process [texte imprimé] / Tian Lan, Auteur ; Xingwang Zhang, Auteur ; Qingni Yu, Auteur . - 2012 . - pp. 4478–4484. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 12 (Mars 2012) . - pp. 4478–4484 Mots-clés : Seawater  Desulfurization Résumé : Seawater flue gas desulfurization (SFGD) is a promising process for coal-burning power plants located along the coast. The aim of this work was to study the seawater outflow characteristics, especially the relationship between absorbed S(IV) and pH in the SFGD process. The equilibrium concentration of SO2 in seawater was studied under different seawater usages and SO2 concentrations in the flue gas. The experimental results showed that approximately 25% of absorbed S(IV) was oxidized to S(VI) by surplus oxygen in the flue gas during the absorption process. An equilibrium model was established to describe the relationship between absorbed SO2 and pH. The integral desulfurization efficiency of the absorption system was analyzed, and the results showed that desulfurization efficiency can reach up to 90%. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie202770b