Catalytic upgrading pyrolysis of pine sawdust for bio-oil with metal oxides

Sumin Lee, Min Gu Lee, Jin Won Park

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The catalytic upgrading pyrolysis of pine sawdust was performed at 500 °C with various metal oxides to improve the quality of the bio-oil. The aim of this study was to investigate the potential of the metal oxides instead of traditional zeolites for catalytic upgrading pyrolysis with the analysis of Gas Chromatograph/Mass Spectrometer. In this study, the used catalysts were Calcium-oxide, Magnesium oxide, Titanium dioxide, and Zeolite (Si/Al = 80). The influence of catalysts on products yields and compositions were investigated. Most metal oxides can enhance the bio-gas with the bio-oil yields decreased. The metal oxides led to a decrease of Acids, Aldehydes, Ketones and an increase of Furfural, Cresols, Catechols in Furans and Phenolics. Among the catalysts, the MgO catalysts was the most effective to convert the high molecular into lights ones (6.65% Cresols) with yield of 20.48% for Furfural. The deoxygenation reaction in bio-oil was suggested to convert oxygenated compounds into the low molecular weight of the materials (6.39% Guaiacols). Thus, the used metal oxides can improve the quality of bio-oil by decreasing undesirable compounds as well as increasing the desirable compounds with low oxygen contents via deoxygenation reaction.

Original languageEnglish
Pages (from-to)1553-1561
Number of pages9
JournalJournal of Material Cycles and Waste Management
Volume20
Issue number3
DOIs
Publication statusPublished - 2018 Jul 1

Fingerprint

Sawdust
pyrolysis
Pyrolysis
catalyst
Oxides
oil
Furfural
Metals
Catalysts
Lead oxide
furan
Magnesia
Biogas
Mass spectrometers
ketone
aldehyde
Zeolites
Aldehydes
biogas
Ketones

All Science Journal Classification (ASJC) codes

  • Waste Management and Disposal
  • Mechanics of Materials

Cite this

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abstract = "The catalytic upgrading pyrolysis of pine sawdust was performed at 500 °C with various metal oxides to improve the quality of the bio-oil. The aim of this study was to investigate the potential of the metal oxides instead of traditional zeolites for catalytic upgrading pyrolysis with the analysis of Gas Chromatograph/Mass Spectrometer. In this study, the used catalysts were Calcium-oxide, Magnesium oxide, Titanium dioxide, and Zeolite (Si/Al = 80). The influence of catalysts on products yields and compositions were investigated. Most metal oxides can enhance the bio-gas with the bio-oil yields decreased. The metal oxides led to a decrease of Acids, Aldehydes, Ketones and an increase of Furfural, Cresols, Catechols in Furans and Phenolics. Among the catalysts, the MgO catalysts was the most effective to convert the high molecular into lights ones (6.65{\%} Cresols) with yield of 20.48{\%} for Furfural. The deoxygenation reaction in bio-oil was suggested to convert oxygenated compounds into the low molecular weight of the materials (6.39{\%} Guaiacols). Thus, the used metal oxides can improve the quality of bio-oil by decreasing undesirable compounds as well as increasing the desirable compounds with low oxygen contents via deoxygenation reaction.",
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Catalytic upgrading pyrolysis of pine sawdust for bio-oil with metal oxides. / Lee, Sumin; Lee, Min Gu; Park, Jin Won.

In: Journal of Material Cycles and Waste Management, Vol. 20, No. 3, 01.07.2018, p. 1553-1561.

Research output: Contribution to journalArticle

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