Alkaline modifiers as performance boosters in citral hydrogenation over supported ionic liquid catalysts (SILCAs)

Eero Salminen, Pasi Virtanen, Krisztián Kordás, Jyri-Pekka Mikkola

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Abstract

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.
Original languageEnglish
Pages (from-to)126-131
JournalCatalysis Today
Volume196
DOIs
Publication statusPublished - 30 Dec 2012
MoE publication typeA1 Journal article-refereed

Keywords

  • Hydrogenation
  • ionic liquids
  • SILCA

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