期刊
APPLIED ENERGY
卷 162, 期 -, 页码 354-362出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2015.10.089
关键词
Mass transfer; Ammonia escape; CO2 absorption; Experimental research
资金
- National Natural Science Foundation of China [21176064]
- Fundamental Research Funds for Central Universities of North China Electric Power University [2014ZD39]
The mass transfer of CO2 capture using ammonia solution in the bubbling reactor was studied; according to double film theory, the mass transfer coefficient models and interface area model were built. Through our experiments, the overall volumetric mass transfer coefficients were obtained, while the interface areas in unit volume were estimated. The volumetric mass transfer coefficients of ammonia escaping during the experiment were 1.39 x 10(-5)-4.34 x 10(-5) mol/(m(3) s Pa), and the volumetric mass transfer coefficients of CO2 absorption were 2.86 x 10(-5)-17.9 x 10(-5) mol/(m(3) spa). The estimated interface area of unit volume in the bubbling reactor ranged from 75.19 to 256.41 m(2)/m(3), making the bubbling reactor a viable choice to obtain higher mass transfer performance than the packed tower or spraying tower. (C) 2015 Elsevier Ltd. All rights reserved.
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