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Qualitative treatment of catalytic hydrolysis of alkyl formates
Umeå University, Faculty of Science and Technology, Department of Chemistry. (Technical Chemistry, Chemical-Biological Centre)
2010 (English)In: Applied Catalysis A: General, ISSN 0926-860X, E-ISSN 1873-3875, Vol. 384, no 1-2, 36-44 p.Article in journal (Refereed) Published
Abstract [en]

Liquid-phase hydrolysis of alkyl formates was performed in a stirred batch reactor using formic acid as a homogenous catalyst, cation exchange resin as heterogeneous catalyst and an additive as a complexation agent. The catalysts increased the rate of the reaction considerably, but the equilibrium conversion was slightly suppressed by the homogenous catalyst. The additive not only accelerated the reaction rate, but also improved the yield significantly. The effect of external and internal mass transfer limitations present in the heterogeneous reaction steps was investigated and it was observed that there is the existence of internal diffusion limitation for the largest catalyst particles. Other parameters such as temperature, catalyst pre-treatment, catalyst loading and stirring speed were investigated in order to optimize the process. The experiments also demonstrated that the ion exchange resin can be reused more than once.

Place, publisher, year, edition, pages
Elsevier , 2010. Vol. 384, no 1-2, 36-44 p.
Keyword [en]
Additive, Alkyl formate hydrolysis, Amberlite IR-120 resin, Formic acid
National Category
Chemical Sciences
URN: urn:nbn:se:umu:diva-47260DOI: 10.1016/j.apcata.2010.06.002ISI: 000281179700005OAI: diva2:441854
Available from: 2011-09-19 Created: 2011-09-19 Last updated: 2011-11-11Bibliographically approved

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Mikkola, Jyri-Pekka
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