Biodiesel production in a rotating packed bed using K/γ-Al2O3 solid catalyst

Yi Hung Chen, Yu Hang Huang, Rong Hsien Lin, Neng Chou Shang, Ching Yuan Chang, Chia Chi Chang, Pen Chi Chiang, Ching Yao Hu

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

The methanolysis of soybean oil with a K/γ-Al2O3 catalyst using a rotating packed bed (RPB) for the production of fatty acid methyl esters (biodiesel) is presented. The RPB, which provides high centrifugal force and has an adjustable rotational speed, was employed as a novel heterogeneously catalyzed transesterification reactor. The methanol-to-oil molar ratio, the catalyst dosage, the rotational speed of the packed-bed rotator, and the reaction temperature were investigated for their effects on the yield of fatty acid methyl esters (YFAME) in the RPB. Furthermore, the modified first-order reaction kinetics was employed to study the transesterification reaction rate of the K/γ-Al2O3 catalyzed RPB system. In addition, the transesterification performance and durability of the K/γ-Al2O3 catalyst with respect to YFAME using the RPB system were evaluated, allowing for further comparison with other heterogeneously catalyzed transesterification reactors. Based on the results, the RPB system is considered as a practical, heterogeneously catalyzed transesterification reactor due to its excellent micromixing characteristics.

Original languageEnglish
Pages (from-to)937-944
Number of pages8
JournalJournal of the Taiwan Institute of Chemical Engineers
Volume42
Issue number6
DOIs
Publication statusPublished - Nov 2011

Fingerprint

Biofuels
Packed beds
Biodiesel
Transesterification
Catalysts
Fatty acids
Esters
Fatty Acids
Soybean oil
Soybean Oil
Reaction kinetics
Reaction rates
Methanol
Oils
Durability

Keywords

  • Biodiesel
  • Heterogeneously catalyzed transesterification
  • K/γ-AlO catalyst
  • Rotating packed bed
  • Yield

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Biodiesel production in a rotating packed bed using K/γ-Al2O3 solid catalyst. / Chen, Yi Hung; Huang, Yu Hang; Lin, Rong Hsien; Shang, Neng Chou; Chang, Ching Yuan; Chang, Chia Chi; Chiang, Pen Chi; Hu, Ching Yao.

In: Journal of the Taiwan Institute of Chemical Engineers, Vol. 42, No. 6, 11.2011, p. 937-944.

Research output: Contribution to journalArticle

Chen, Yi Hung ; Huang, Yu Hang ; Lin, Rong Hsien ; Shang, Neng Chou ; Chang, Ching Yuan ; Chang, Chia Chi ; Chiang, Pen Chi ; Hu, Ching Yao. / Biodiesel production in a rotating packed bed using K/γ-Al2O3 solid catalyst. In: Journal of the Taiwan Institute of Chemical Engineers. 2011 ; Vol. 42, No. 6. pp. 937-944.
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