Kinetics of the absorption of carbon dioxide into aqueous ammonia solutions | Zendy

Yu Hesheng | Zendy; Tan Zhongchao | Zendy; Thé Jesse | Zendy; Feng Xianshe | Zendy; Croiset Eric | Zendy; Anderson William A. | Zendy

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Kinetics of the absorption of carbon dioxide into aqueous ammonia solutions

Author(s) -

Yu Hesheng,

Tan Zhongchao,

Thé Jesse,

Feng Xianshe,

Croiset Eric,

Anderson William A.

Publication year - 2016

Publication title -

aiche journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.958

H-Index - 167

eISSN - 1547-5905

pISSN - 0001-1541

DOI - 10.1002/aic.15296

Subject(s) - kinetics , aqueous solution , ammonia , absorption (acoustics) , chemistry , carbon dioxide , chemical kinetics , carbon fibers , analytical chemistry (journal) , inorganic chemistry , materials science , chromatography , organic chemistry , composite number , physics , composite material , quantum mechanics

Experiments were performed in a customized double stirred tank reactor to study the kinetics of CO 2 absorption into NH 3 solutions at concentrations ranging from 0.42 to 7.67 kmol·m −3 and temperatures between 273.15 and 293.15 K. The results show that the reactive absorption was first order with respect to CO 2 but fractional order (1.6–1.8) with respect to ammonia. Experimental data can be satisfactorily interpreted by a termolecular mechanism usingkNH 3T = 7.6089 ×10 8 exp ⁡ ( − 4018.4 T )andkH 2 O T = 7.9161 ×10 7 exp ⁡ ( − 4356.4 T ) . © 2016 American Institute of Chemical Engineers AIChE J , 62: 3673–3684, 2016

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