Oxidative dehydrogenation of ethane over a monolith coated by molybdenum-vanadium-niobium mixed-oxide catalyst

Karamullaoglu G., Dogu T.

CHEMICAL ENGINEERING COMMUNICATIONS, vol.190, no.10, pp.1427-1438, 2003 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 190 Issue: 10
  • Publication Date: 2003
  • Doi Number: 10.1080/00986440390225963
  • Journal Name: CHEMICAL ENGINEERING COMMUNICATIONS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.1427-1438
  • Keywords: oxidative dehyrogenation, ethane, monolith, mixed-oxide catalyst, DRIFTS, PROPANE, MECHANISM
  • Middle East Technical University Affiliated: No

Abstract

Oxidative dehydrogenation of ethane to ethylene was investigated using Mo0.71V0.21N0.08 mixed-oxide catalyst. in powder form and coated over a monolith. At 570degreesC and with a feed stream containing an O-2/C2H6 mole ratio of one. ethylene selectivity value reaching to 96% was obtained Lit a conversion level of about 5% with the monolith-supported catalyst. DRIFTS studies indicated the presence of adsorbed ethoxide species. The proposed reaction scheme for the production of ethylene includes the elimination of beta-hydrogen of adsorbed species by the lattice oxygen.