A survey of catalysts for aromatics from fast pyrolysis of biomass

Shantanu Kelkar, Christopher M. Saffron, Kevin Andreassi, Zhenglong Li, Ambareesh Murkute, Dennis J. Miller, Thomas J. Pinnavaia, Robert M. Kriegel

Research output: Contribution to journalArticle

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Abstract

A comparative evaluation of ten catalysts for biomass pyrolysis was performed using poplar (DN-34) as the feedstock. Five of the catalysts consisted of HZSM-5 with different silica:alumina ratios (SAR, 23, 30, 55, 80 and 280). The other five catalysts were sulfated zirconia (SO42- ZrO2), 20% SO42- ZrO2 dispersed on a mesoporous MCM-41 silica support, Al-MSU-S alumnosilicate exhibiting a foam-like mesopore structure, Al-MSU-S aluminosilicate exhibiting wormhole mesopores, and a bauxite waste product known as red mud. Analytical pyrolysis in tandem with GC/MS showed that all of the catalysts except for HZSM-5 resulted in low aromatic chemical production. Highly acidic sulfated zirconia catalysts were not selective to aromatics and produced significant coke and non-condensable gases. Mesoporous MSU-S catalysts exhibiting high pore volume and acidity also gave high gas and coke yields. Among the HZSM-5 catalysts evaluated, those with the lowest SAR provided the highest yields of total aromatics and the lowest levels of undesired coke.

LanguageEnglish (US)
Pages85-95
Number of pages11
JournalApplied Catalysis B: Environmental
Volume174-175
DOIs
StatePublished - Sep 1 2015

Profile

pyrolysis
Biomass
Pyrolysis
catalyst
Catalysts
biomass
Coke
Aluminum Oxide
Silicon Dioxide
Zirconia
synthetic aperture radar
silica
Gases
Silica
Aluminosilicates
bauxite
aluminosilicate
Multicarrier modulation
foam
gas

Keywords

  • Catalyst
  • Mesoporous
  • Pyrolysis
  • Red mud
  • Zeolite
  • Zirconia

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology
  • Environmental Science(all)

Cite this

A survey of catalysts for aromatics from fast pyrolysis of biomass. / Kelkar, Shantanu; Saffron, Christopher M.; Andreassi, Kevin; Li, Zhenglong; Murkute, Ambareesh; Miller, Dennis J.; Pinnavaia, Thomas J.; Kriegel, Robert M.

In: Applied Catalysis B: Environmental, Vol. 174-175, 01.09.2015, p. 85-95.

Research output: Contribution to journalArticle

Kelkar, S, Saffron, CM, Andreassi, K, Li, Z, Murkute, A, Miller, DJ, Pinnavaia, TJ & Kriegel, RM 2015, 'A survey of catalysts for aromatics from fast pyrolysis of biomass' Applied Catalysis B: Environmental, vol 174-175, pp. 85-95. DOI: 10.1016/j.apcatb.2015.02.020
Kelkar, Shantanu ; Saffron, Christopher M. ; Andreassi, Kevin ; Li, Zhenglong ; Murkute, Ambareesh ; Miller, Dennis J. ; Pinnavaia, Thomas J. ; Kriegel, Robert M./ A survey of catalysts for aromatics from fast pyrolysis of biomass. In: Applied Catalysis B: Environmental. 2015 ; Vol. 174-175. pp. 85-95
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