Durability test for 1 kw ethanol reforming system with catalyst

Yu Chao, How Ming Lee, Moo Been Chang

Research output: Contribution to journalArticlepeer-review

Abstract

Institute of Nuclear Energy Research (INER) has successfully developed a commercial-scale ethanol reforming system, which converts ethanol into hydrogen-rich gases, via autothermal reaction mechanism. In this study, four kinds of noble metal catalyst were extensively investigated with the ethanol reforming system. Two of the four catalysts, Pt-Pd-Rh/Y-Al 2O 3 and Rh/Y-Al 2O 3-CeO 2 - ZrO 2, had been conducted in a 26-day long-time test. The Pt-Pd-Rh/Y-Al 2O 3 catalyst showed high catalytic activity and achieved an ethanol conversion of 97% in the early stage; but deactivated with reaction time and finally achieved a conversion of only 50% at 26th day. The Rh/γ-Al 2O 3 - CeO 2-ZrO 2 catalyst achieved and maintained high ethanol conversion for the first 16 days, then gradually decreased and achieved a conversion efficiency of 85% at 26th day.

Original languageEnglish
Pages (from-to)173-180
Number of pages8
JournalJournal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao
Volume32
Issue number2
StatePublished - Apr 2011

Keywords

  • Durability test
  • Ethanol reforming
  • Hydrogen

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