3 years ago

Impact of Liquid-Phase Volume Changes on Estimating Reaction Rate Parameters: The Homogeneously Catalyzed Hydrolysis of Methyl Formate

Impact of Liquid-Phase Volume Changes on Estimating Reaction Rate Parameters: The Homogeneously Catalyzed Hydrolysis of Methyl Formate
Hong Duc Ta, Andreas Seidel-Morgenstern
The homogeneously catalyzed hydrolysis of methyl formate was studied experimentally in a batch reactor. The kinetics of this reversible liquid-phase reaction was quantified by analyzing measured concentration transients in two different ways: (i) neglecting temporal changes of the volume of the reaction mixture, and (ii) considering volume changes caused by the reaction and/or by mixing. Assuming the same structure of the kinetic expression, the reaction rate constants were estimated for both cases. Consistent usage of the obtained constants within the corresponding models provided relative small differences in the predicted concentration transients. Even the most simplified approach, i.e., neglecting volume changes completely, was found to be capable of describing well concentration transients observed in a batch reactor. However, for the specific reaction investigated, the absolute values of the reaction rate constant varied up to 9.4% for the different volume effect scenarios considered.

Publisher URL: http://dx.doi.org/10.1021/acs.iecr.7b01343

DOI: 10.1021/acs.iecr.7b01343

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