Catalytic dehydrogenation of ethylbenzene with carbon dioxide: Promotional effect of antimony in supported vanadium-antimony oxide catalyst

Min Seok Park, Vladislav P. Vislovskiy, Jong San Chang, Yong Gun Shul, Jin S. Yoo, Sang Eon Park

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Alumina-supported vanadium oxide, VOx/Al2O 3, and binary vanadium-antimony oxides, VSbOx/Al 2O3, have been tested in the ethylbenzene dehydrogenation with carbon dioxide and characterized by SBET, X-ray diffraction, X-ray photoelectron spectroscopy, hydrogen temperature-programmed reduction and CO2 pulse methods. VSbOx/Al2O3 exhibited enhanced catalytic activity and especially on-stream stability compared to VOx/Al2O3 catalyst. Incorporation of antimony into VOx/Al2O3 increased dispersion of active VOx species, enhanced redox properties of the systems and formed a new mixed vanadium-antimony oxide phase in the most catalytically efficient V0.43Sb0.57Ox/Al 2O3 system.

Original languageEnglish
Pages (from-to)205-212
Number of pages8
JournalCatalysis Today
Volume87
Issue number1-4
DOIs
Publication statusPublished - 2003 Nov 15

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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