An acid dissociation constant (pKa)-based screening of chemical absorbents that preferably capture and release pressurized carbon dioxide for greenhouse gas control

Chemistry Letters

Volumn 37, Issue 5, 2008, Pages 516-517

  Tomizaki, Kin Ya ^a   Shimizu, Shinkichi ^a   Onoda, Masami ^a   Fujioka, Yuichi ^a  

^a RESEARCH INSTITUTE OF INNOVATIVE TECHNOLOGY FOR THE EARTH   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 45449105239     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2008.516     Document Type: Article

References (17)

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15. a values for amines examined in this study (values in parentheses were the means of measurements duplicated): 3-amino-5- methylpyrazole (3A5MPyzol): 4.7 (4.70); 3-aminopyridine (3APy): 6.0 (6.03); bis(2-hydroxyethyl)aminotris(hydroxymethyl)methane (Bis-Tris): 6.5 (6.47); 2-aminopyridine (2APy): 6.7 (6.70); N-(3-morpholino)-1,2-propanediol (3MO1, 2Pdiol): 6.8 (6.76); 4-(2-hydroxyethyl)morpholine (HEMO): 6.9 (6.93); imidazole (Im): 7.0 (6.99); 1-methylimidazole (IMeIm): 7.0 (7.03); 4-methylimidazole (4MeIm): 7.5 (7.54); 4-ethylmorpholine (EMO): 7.7 (7.71); triethanolamine (TEA): 7.7 (7.72); triisopropanolamine (TIPA): 7.8 (7.82); 2-methylimidazole (2MeIm): 7.9 (7.87); N-methyldiethanolamine (MDEA): 8.5 (8.51); N-n-butyldiethanolamine (nBDEA): 8.8 (8.77); 1-(2-hydroxyethyl)-4-(3-hydroxypropyl)piperidine (1HE4HPPD): 9.4 (9.37); and 1-(2-hydroxyethyl)piperidine (HEPD): 9.5 (9.49).
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