Reaction Factor for Second-Order Gas-Liquid Reactions

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The Demonstration plots the reaction factor for a second-order gas-liquid reaction versus the Hatta number, , for various values of the parameters, , , and defined in Details. Two new parameters are introduced and defined by and ; both vary from to when and vary from 0 to .

Contributed by: Housam Binousand Abdullah A. Shaikh (April 2011)
(King Fahd University of Petroleum & Minerals)
Open content licensed under CC BY-NC-SA



Consider a second-order reaction between dissolved gaseous species and a nonvolatile liquid species . The reaction factor for this second-order gas-liquid reaction is given by:

, where and .

The Hatta number, , is a dimensionless parameter defined as the ratio of the rate of chemical absorption to the rate of physical absorption for species . Here (where is a stoichiometric coefficient for species ), gives ratios of diffusivities and concentrations, and and are two dimensionless parameters. All parameters are defined in [1].


[1] A. A. Shaikh and S. Zarook, "An Explicit Reaction Factor for General Second-Order Gas-Liquid Reactions," Journal of Chemical Engineering of Japan, 28(3), 1995 pp. 346–348.

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