Effect of hydrogen treatments on ZrO2 and Pt/ZrO2 catalysts

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1994 English Publisher:Springer Science and Business Media LLCJournal:Catalysis Letters, volume 27, pages 33-42 (issn: 1011-372X, eissn: 1572-879X,

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Authors: D. L. Hoang; H. Lieske;

doi: 10.1007/bf00806975

Effect of hydrogen treatments on ZrO2 and Pt/ZrO2 catalysts

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Abstract

ZrO2 and Pt/ZrO2 catalysts have been investigated by TPR, hydrogen chemisorption, TPDH and in the conversion ofn-hexane. At high temperature, ZrO2 takes up hydrogen. High temperature hydrogen treatment is a precondition of the catalytic activity in then-hexane conversion. Possibly, catalytically active acid sites are formed by this hydrogen treatment. The high temperature hydrogen treatment induces a strong Pt-ZrO2 interaction.

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