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

Paper ID Volume ID Publish Year Pages File Format Full-Text
55349 47048 2012 6 PDF Available
Title
Alkaline modifiers as performance boosters in citral hydrogenation over supported ionic liquid catalysts (SILCAs)
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.

Graphical abstractSupported ionic liquid catalyst (SILCA) was modified with different alkaline modifiers which were dissolved in ionic liquid. Highly selective reaction route toward citronellal was accomplished.Figure optionsDownload full-size imageDownload high-quality image (63 K)Download as PowerPoint slideHighlights► Supported ionic liquid catalysts are modified with alkaline modifiers. ► Catalysts are applied in citral hydrogenation. ► The selectivity of citronellal is enhanced. ► Highly selective reaction route was accomplished.

Keywords
Hydrogenation; Ionic liquids; SILCA
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Alkaline modifiers as performance boosters in citral hydrogenation over supported ionic liquid catalysts (SILCAs)
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 196, Issue 1, 30 November 2012, Pages 126–131
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us