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Heats of reaction and vapor−liquid equilibria of novel chemical absorbents for absorption/recovery of pressurized carbon dioxide in integrated coal gasification combined cycle−carbon capture and storage process / Kin-ya Tomizaki in Industrial & engineering chemistry research, Vol. 49 N° 3 (Fevrier 2010) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 49 N° 3 (Fevrier 2010) . - pp. 1214–1221 Titre : Heats of reaction and vapor−liquid equilibria of novel chemical absorbents for absorption/recovery of pressurized carbon dioxide in integrated coal gasification combined cycle−carbon capture and storage process Type de document : texte imprimé Auteurs : Kin-ya Tomizaki, Auteur ; Shinkichi Shimizu, Auteur ; Masami Onoda, Auteur ; Yuichi Fujioka, Auteur Année de publication : 2010 Article en page(s) : pp. 1214–1221 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Heats  of  Reaction  and  Vapor−Liquid  Equilibria  of  Novel  Chemical  Absorbents--Absorption--Recovery--Pressurized--Carbon  Dioxide--Integrated--Gasification--Combined--Cycle−Carbon--Capture--Storage--Process Résumé : There has been increased interest in the development of innovative carbon dioxide (CO2) capture and storage (CCS) applicable to the integrated coal gasification combined cycle (IGCC) equipped with a water−gas shift reaction, to reduce greenhouse gas emissions to almost zero (IGCC-CCS). We studied the heats of reaction (ΔHr) and vapor−liquid equilibria for N-methyldiethanolamine and novel absorbents [1,2-dimethylimidazole, 2-methylimidazole, 1-methylimidazole, imidazole, and 4-(2-hydroxyethyl)morpholine] obtained by the pKa-based screening method in our previous work and found a proportional relationship between pKa and ΔHr values. This allows estimation of ΔHr values by measuring their pKa. Measurements of vapor−liquid equilibria of novel absorbents provided important information on the CO2 capacity per absorption/recovery cycle. 1,2-Dimethylimidazole and 4-(2-hydroxyethyl)morpholine would be nominated as candidates suitable to absorb/recover CO2 with partial pressures at 1.6 MPa or higher without loss of a CO2 pressure level, resulting in saving CO2 compression energy in the CCS process. Note de contenu : Bibiogr. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie9007776 [article] Heats of reaction and vapor−liquid equilibria of novel chemical absorbents for absorption/recovery of pressurized carbon dioxide in integrated coal gasification combined cycle−carbon capture and storage process [texte imprimé] / Kin-ya Tomizaki, Auteur ; Shinkichi Shimizu, Auteur ; Masami Onoda, Auteur ; Yuichi Fujioka, Auteur . - 2010 . - pp. 1214–1221. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 3 (Fevrier 2010) . - pp. 1214–1221 Mots-clés : Heats  of  Reaction  and  Vapor−Liquid  Equilibria  of  Novel  Chemical  Absorbents--Absorption--Recovery--Pressurized--Carbon  Dioxide--Integrated--Gasification--Combined--Cycle−Carbon--Capture--Storage--Process Résumé : There has been increased interest in the development of innovative carbon dioxide (CO2) capture and storage (CCS) applicable to the integrated coal gasification combined cycle (IGCC) equipped with a water−gas shift reaction, to reduce greenhouse gas emissions to almost zero (IGCC-CCS). We studied the heats of reaction (ΔHr) and vapor−liquid equilibria for N-methyldiethanolamine and novel absorbents [1,2-dimethylimidazole, 2-methylimidazole, 1-methylimidazole, imidazole, and 4-(2-hydroxyethyl)morpholine] obtained by the pKa-based screening method in our previous work and found a proportional relationship between pKa and ΔHr values. This allows estimation of ΔHr values by measuring their pKa. Measurements of vapor−liquid equilibria of novel absorbents provided important information on the CO2 capacity per absorption/recovery cycle. 1,2-Dimethylimidazole and 4-(2-hydroxyethyl)morpholine would be nominated as candidates suitable to absorb/recover CO2 with partial pressures at 1.6 MPa or higher without loss of a CO2 pressure level, resulting in saving CO2 compression energy in the CCS process. Note de contenu : Bibiogr. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie9007776