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Alkaline modifiers as performance boosters in citral hydrogenation over supported ionic liquid catalysts (SILCAs)
Umeå University, Faculty of Science and Technology, Department of Chemistry. (Technical Chemistry)
2012 (English)In: Catalysis Today, ISSN 0920-5861, E-ISSN 1873-4308, Vol. 196, no 1, 126-131 p.Article in journal (Refereed) Published
Abstract [en]

Supported ionic liquid catalysts (SILCAs) consist of nano-scale catalytic species immobilized in an ionic liquid layer which, in turn, is immobilized on a solid support. In this work, novel SILCAs containing various inorganic alkaline modifiers (e.g. potassium hydroxide) were prepared and applied in citral hydrogenation reactions. The supported ionic liquid catalyst systems demonstrated enhanced reaction rates and improved selectivities toward citronellal in citral hydrogenation. With the addition of an alkaline modifier into ionic liquid layer, the catalyst selectivity increased from 16% to 74%. In fact, a highly selective reaction route toward citronellal was accomplished.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 196, no 1, 126-131 p.
Keyword [en]
Hydrogenation, Ionic liquids, SILCA
National Category
Chemical Sciences
URN: urn:nbn:se:umu:diva-58471DOI: 10.1016/j.cattod.2012.04.066OAI: diva2:548383
Available from: 2012-08-30 Created: 2012-08-30 Last updated: 2013-06-13Bibliographically approved

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Mikkola, Jyri-Pekka
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