Development of heterogeneous catalyst system for esterification of free fatty acid contained in used vegetable oil

Hak Ju Kim, Bo Seung Kang, Min Ju Kim, Deog Keun Kim, Jin Suck Lee, Kwan Young Lee

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Biodiesel produced by the transesterification of vegetable oils (VOs) is a promising alternative fuel to diesel which can overcome limited fossil fuel resources and environmental concern. In this work, an environmentally benign process for the production of biodiesel from used VOs by heterogeneous catalyst has been developed. Free fatty acids contained in used VOs, which cause several severe problems for the transesterification catalyzed by base catalyst, were converted to fatty acid methyl esters (FAME). The activity of several heterogeneous acid catalysts was investigated. Sulfated zirconia showed the highest activity among them. The optimization of the reaction conditions was also carried out.

Original languageEnglish
Pages (from-to)201-204
Number of pages4
JournalStudies in Surface Science and Catalysis
Volume153
Publication statusPublished - 2004 Dec 15

Fingerprint

vegetables
Plant Oils
Vegetable oils
Esterification
fatty acids
Fatty acids
Nonesterified Fatty Acids
Biofuels
oils
Transesterification
Biodiesel
catalysts
Catalysts
fossil fuels
Alternative fuels
Fossil fuels
zirconium oxides
Zirconia
esters
resources

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Catalysis

Cite this

Development of heterogeneous catalyst system for esterification of free fatty acid contained in used vegetable oil. / Kim, Hak Ju; Kang, Bo Seung; Kim, Min Ju; Kim, Deog Keun; Lee, Jin Suck; Lee, Kwan Young.

In: Studies in Surface Science and Catalysis, Vol. 153, 15.12.2004, p. 201-204.

Research output: Contribution to journalArticle

Kim, Hak Ju ; Kang, Bo Seung ; Kim, Min Ju ; Kim, Deog Keun ; Lee, Jin Suck ; Lee, Kwan Young. / Development of heterogeneous catalyst system for esterification of free fatty acid contained in used vegetable oil. In: Studies in Surface Science and Catalysis. 2004 ; Vol. 153. pp. 201-204.
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