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Reversible Autocatalytic Hydrolysis of Alkyl Formate: Kinetic and Reactor Modeling
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2010 (English)In: Industrial & Engineering Chemistry Research, ISSN 0888-5885, E-ISSN 1520-5045, Vol. 49, no 9, 4099-4106 p.Article in journal (Refereed) Published
Abstract [en]

The kinetics and thermodynamics of alkyl formate hydrolysis in liquid phase were studied in a laboratory-scale autoclave at temperatures between 333 and 383 K using different molar ratios of the reactants. The process was found to exhibit an autocatalytic effect due to the acid formed. More so, the rate of neutral hydrolysis of ethyl formate is faster compared to methyl formate in the uncatalyzed reaction. However, the autocatalytic effect is more pronounced in methyl formate hydrolysis. In addition, the effect of adding a small amount of formic acid as an initial charge upon the equilibrium conversion and kinetics was investigated, and it was found that the addition improved the reaction rate by reducing the induction period but it suppressed slightly the equilibrium conversion. A kinetic model was proposed to explain these experimental trends, and the model agreed well with the experimental results.

Place, publisher, year, edition, pages
[Jogunola, Olatunde; Salmi, Tapio; Eranen, Karl; Warna, Johan; Kangas, Matias; Mikkola, J-P.] Abo Akad Univ, Proc Chem Ctr, Lab Ind Chem & React Engn, FI-20500 Turku, Finland. [Mikkola, J-P.] Umea Univ, Chem Biol Ctr, Dept Chem, SE-90187 Umea, Sweden., 2010. Vol. 49, no 9, 4099-4106 p.
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Chemical Sciences
URN: urn:nbn:se:umu:diva-109710DOI: 10.1021/ie902031dISI: 000277041700012OAI: diva2:858814
Available from: 2015-10-05 Created: 2015-10-05 Last updated: 2015-10-05Bibliographically approved

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