Catalytic pyrolysis of Japanese larch using spent HZSM-5

Hyun Ju Park, Hyeon Su Heo, Jin Heong Yim, Jong Ki Jeon, Young Soo Ko, Seung Soo Kim, Young Kwon Park

Research output: Contribution to journalArticlepeer-review

44 Scopus citations


The direct catalytic upgrading of the pyrolytic vapor of Japanese larch was carried out in a fixed catalyst bed reactor installed at the upper part of a bubbling fluidized bed reactor. The catalytic performance of spent HZSM-5 in the catalytic upgrading of bio-oil in terms of the product distribution and chemical composition was compared with that of fresh HZSM-5. The spent HZSM-5 showed comparable activity for the deoxygenation of oxygen in biooil and selectivity to higher value chemicals to fresh HZSM-5.

Original languageEnglish
Pages (from-to)73-75
Number of pages3
JournalKorean Journal of Chemical Engineering
Issue number1
StatePublished - Jan 2010


  • Biomass
  • Pyrolysis
  • Spent HZSM-5
  • Upgrading


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