Empirical formula for the mass flux in chemical absorption of CO2 with ammonia droplets

Munkyoung Choi, Minki Cho and J.W. Lee

Applied Energy, 2016, vol. 164, issue C, 9 pages

Abstract: Chemical absorption of CO2 with a droplet of aqueous NH3 was numerically analyzed, and an empirical formula was derived to describe the instantaneous absorption mass flux as a function of instantaneous concentration conditions and other constant operating parameters. The proposed formula fit the numerical results excellently over a wide variation of initial or control parameter values and throughout the absorption process at different instants. The formula will be very useful to analyze the efficiency of an absorption reactor in which distribution of poly-dispersed droplets is nonuniform, and is applicable to various liquid absorption processes after appropriate modification of parameter values.

Keywords: CO2 absorption; Aqueous ammonia; Single droplet; Degree of saturation; Mass flux correlation (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (2)

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DOI: 10.1016/j.apenergy.2015.10.133

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