Potassium Ferrites Formation in Promoted Hematite Catalysts for Dehydrogenation. Thermal and structural analyses |
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| Authors: | Surman J Majda D Rafalska-Łasocha A Kuśtrowski P Chmielarz L Dziembaj R |
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| Institution: | (1) Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Cracow, Poland;(2) Regional Laboratory for Physicochemical Analyses and Structural Research, Jagiellonian University, Ingardena 3, 30-060 Cracow, Poland |
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| Abstract: | K-promoted hematite catalysts for ethylbenzene dehydrogenation were studied by thermal analysis (TG/DTG) and high-temperature
XRD. The formation of potassium ferrite (K2Fe2O4), considered to be a catalytically active phase, was observed during calcination of the Ce-promoted catalysts. A linear correlation
of the catalytic activity and the temperature of potassium ferrites formation was found.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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| Keywords: | DTG ethylbenzene dehydrogenation hematite catalysts potassium ferrites XRD |
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