The effects of prepared iron-based catalyst on the energy yield in gasification of rice straw

Kung Yuh Chiang, Chun Kai Liao, Cheng Han Lu

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14 Scopus citations

Abstract

This research investigated the feasibility of enhanced energy yield in gasification of rice straw by using a prepared iron-based catalyst. The prepared iron-based catalyst containing 2% (wt%) Fe2O3 was produced by wet impregnation process. Based on the results of produced gas yield, the yield amounts of combustible gases increased with an increase in the prepared iron-based catalyst addition. In the case of gasification temperature 800 °C and below, the yield amount of combustible gas increased by using the prepared iron-based catalyst. Besides, the energy yield efficiency was approximately enhanced from 8% to 74% with the iron-based catalyst addition. In the case of gasification temperature 800 °C and iron-based catalyst addition, the energy yield efficiency of combustible gases is similar with that of gasification temperature 900 °C and without catalyst addition. That is, prepared iron-based catalyst has the good potential for converting rice straw into bio-energy and for reducing the energy requirement in gasification.

Original languageEnglish
Pages (from-to)21747-21754
Number of pages8
JournalInternational Journal of Hydrogen Energy
Volume41
Issue number46
DOIs
StatePublished - 14 Dec 2016

Keywords

  • Catalytic gasification
  • Iron-based catalyst
  • Rice straw
  • Synthesis gas

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