Hydrogen peroxide modified Mg-Al-O oxides supported Pt-Sn catalysts for paraffin dehydrogenation

Y. Lai, Songbo He, S. Luo, W. Bi, XianRu Li, Chenglin Sun, Kulathuiyer Seshan

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9 Citations (Scopus)

Abstract

In this work, a new method to prepare Mg–Al–O oxide by co-precipitation method with addition of H2O2 was developed. The application of Mg–Al–O as a support of Pt–Sn catalysts for paraffin dehydrogenation was investigated. Characterization results indicated that modification of H2O2 (i) enlarged the pore structure and decreased the density and mechanical strength of the Mg–Al–O oxide and (ii) increased the platinum dispersion, weakened the acidity of the Pt–Sn/Mg–Al–O catalysts. Dehydrogenation of n-dodecane results showed that modification of H2O2 (iii) improved the paraffin conversion and olefin selectivity; (iv) inhibited the coke deposition on the catalyst and (v) extended the catalyst life-time
Original languageEnglish
Pages (from-to)39-42
JournalCatalysis communications
Volume69
DOIs
Publication statusPublished - 2015

Keywords

  • IR-96085
  • METIS-310722

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