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Hydroformylation of 1-Hexene over Rh/Nano-Oxide Catalysts
Department of Chemistry, University of Eastern Finland, P.O. Box 111, FI-80101 Joensuu, Finland
Department of Chemistry, University of Jyväskylä, P.O. Box 35, University of Jyväskylä, Finland
* Author to whom correspondence should be addressed.
Received: 26 January 2013; in revised form: 25 February 2013 / Accepted: 6 March 2013 / Published: 21 March 2013
Abstract: The effect of nanostructured supports on the activity of Rh catalysts was studied by comparing the catalytic performance of nano- and bulk-oxide supported Rh/ZnO, Rh/SiO2 and Rh/TiO2 systems in 1-hexene hydroformylation. The highest activity with 100% total conversion and 96% yield of aldehydes was obtained with the Rh/nano-ZnO catalyst. The Rh/nano-ZnO catalyst was found to be more stable and active than the corresponding rhodium catalyst supported on bulk ZnO. The favorable morphology of Rh/nano-ZnO particles led to an increased metal content and an increased number of weak acid sites compared to the bulk ZnO supported catalysts. Both these factors favored the improved catalytic performance. Improvements of catalytic properties were obtained also with the nano-SiO2 and nano-TiO2 supports in comparison with the bulk supports. All of the catalysts were characterized by scanning electron microscope (SEM), inductively coupled plasma mass spectrometry (ICP-MS), BET, powder X-ray diffraction (PXRD) and NH3- temperature-programmed desorption (TPD).
Keywords: nano-zinc oxide; supported catalyst; rhodium; hydroformylation of 1-hexene
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MDPI and ACS Style
Kontkanen, M.-L.; Tuikka, M.; Kinnunen, N.M.; Suvanto, S.; Haukka, M. Hydroformylation of 1-Hexene over Rh/Nano-Oxide Catalysts. Catalysts 2013, 3, 324-337.
Kontkanen M-L, Tuikka M, Kinnunen NM, Suvanto S, Haukka M. Hydroformylation of 1-Hexene over Rh/Nano-Oxide Catalysts. Catalysts. 2013; 3(1):324-337.
Kontkanen, Maija-Liisa; Tuikka, Matti; Kinnunen, Niko M.; Suvanto, Sari; Haukka, Matti. 2013. "Hydroformylation of 1-Hexene over Rh/Nano-Oxide Catalysts." Catalysts 3, no. 1: 324-337.