Conversion of bioethanol over zeolites

Yusuf Isa Makarfi, Marina Sergeevna Yakimova, Anatoly Sergeevich Lermontov, Vladimir Ivanovich Erofeev, Lubov Mikhailovna Koval, Valentin Filipovich Tretiyakov

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


Tetrapropylammonium salt was replaced with different wastes from the production of caprolactam as structural units in synthesizing ZSM-5 zeolites. Ethanol conversion runs were carried out over the synthesized catalysts containing spirit fraction, X-oils and hexamethylenediammine as structural units. The catalyst with hexamethylenediammine showed better selectivity for liquid hydrocarbons and the formation of C3-C4 hydrocarbons was favoured by increase in the Si/Al from 30 to 50. Mechanical addition of gallium oxide increased liquid yield and catalyst life whereas impregnation of zirconium oxide resulted in a loss of selectivity for liquid hydrocarbons. Better selectivity for liquid hydrocarbons was obtained over catalysts with an average of 1 and 3 atoms of aluminum in elementary zeolite cells.

Original languageEnglish
Pages (from-to)396-400
Number of pages5
JournalChemical Engineering Journal
Issue number1-3
Publication statusPublished - 15 Nov 2009


  • Ethanol
  • HZSM-5
  • Structural unit
  • Tetrapropylammonium
  • Zeolite

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering
  • Environmental Chemistry

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