Production of green aromatics and olefins by catalytic cracking of oxygenate compounds derived from biomass pyrolysis: A review

Pouya Sirous Rezaei, Hoda Shafaghat, Wan Mohd Ashri Wan Daud (Corresponding Author)

Research output: Contribution to journalReview Articlepeer-review

345 Citations (Scopus)

Abstract

The concern for depletion of fossil fuels and their growing environmental threats necessitates to develop efficient techniques for utilization of biomass as an alternative fuel source which is renewable and environmentally safe. Catalytic cracking of biomass pyrolysis derived feedstock could be an economical process for production of high value added chemicals which are currently obtained from fossil fuels. However, promotion of reaction selectivity toward valuable chemicals is a great challenge in this process. Coke formation in catalytic cracking of biomass pyrolysis vapors/bio-oil is a competing reaction with production of valuable hydrocarbons like aromatics and olefins. Coke is one major undesired product of this process which its high yield is due to low hydrogen to carbon effective ratio of biomass and in turn low hydrogen content in hydrocarbon pool inside catalyst. Catalytic cracking of biomass pyrolysis vapors/bio-oil is a highly shape selective reaction with strong dependency on catalyst acidity and reaction conditions. This paper, for the first time, reviews the effects of catalyst properties and reaction conditions on reaction selectivity toward aromatics and olefins in catalytic cracking of biomass pyrolysis vapors/bio-oil and bio-oil model compounds.

Original languageEnglish
Pages (from-to)490-511
JournalApplied Catalysis A: General
Volume469
DOIs
Publication statusPublished - 2014
MoE publication typeA2 Review article in a scientific journal

Keywords

  • Aromatics
  • Bio-oil
  • Catalytic cracking
  • Olefins
  • Reaction selectivity

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