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Continuous selective hydrogenation of citral in a trickle-bed reactor using ionic-liquid modified catalysts

Wörz, Nicolai and Arras, Jürgen and Claus, Peter (2011):
Continuous selective hydrogenation of citral in a trickle-bed reactor using ionic-liquid modified catalysts.
In: Applied Catalysis A: General, pp. 319-324, 391, (1-2), [Online-Edition: http://dx.doi.org/10.1016/j.apcata.2010.06.025],
[Article]

Abstract

The influence of the ionic liquid [BMIM][N(CN)₂] on the palladium catalyzed hydrogenation of citral in a trickle-bed reactor has been investigated. Applying the SCILL concept (solid catalyst with ionic liquid layer), it was possible to attain citronellal selectivities close to 100 % at the cost of catalyst activity. However, the yield of this intermediate was approximately four times higher compared to the neat palladium catalyst. The latter and its SCILL counterpart both seem to have long-term stability, which is relevant for any future industrial application. This is the first time that SCILL systems have been compared directly to their IL-free equivalents in continuous mode.

Item Type: Article
Erschienen: 2011
Creators: Wörz, Nicolai and Arras, Jürgen and Claus, Peter
Title: Continuous selective hydrogenation of citral in a trickle-bed reactor using ionic-liquid modified catalysts
Language: English
Abstract:

The influence of the ionic liquid [BMIM][N(CN)₂] on the palladium catalyzed hydrogenation of citral in a trickle-bed reactor has been investigated. Applying the SCILL concept (solid catalyst with ionic liquid layer), it was possible to attain citronellal selectivities close to 100 % at the cost of catalyst activity. However, the yield of this intermediate was approximately four times higher compared to the neat palladium catalyst. The latter and its SCILL counterpart both seem to have long-term stability, which is relevant for any future industrial application. This is the first time that SCILL systems have been compared directly to their IL-free equivalents in continuous mode.

Journal or Publication Title: Applied Catalysis A: General
Volume: 391
Number: 1-2
Uncontrolled Keywords: trickle-bed reactor; liquid-phase hydrogenation; citral; ionic liquid; SCILL catalyst
Divisions: 07 Department of Chemistry > Fachgebiet Technische Chemie > Technische Chemie II
07 Department of Chemistry > Fachgebiet Technische Chemie
07 Department of Chemistry
Date Deposited: 28 Jul 2010 11:55
Official URL: http://dx.doi.org/10.1016/j.apcata.2010.06.025
Identification Number: doi:10.1016/j.apcata.2010.06.025
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