Tungsten oxide zirconia as solid superacid catalyst for esterification of waste acid oil (dark oil)

Young Moo Park, Sang Ho Chung, Hee Jun Eom, Jin Suk Lee, Kwan Young Lee

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

Biodiesel is a renewable fuel which can be produced through an esterification reaction. The cost of feedstock which resulted in that of biodiesel is a large problem to be resolved. Dark oil from industrial process can be a better alternative for biodiesel production because of its low price. In spite of this, the study of biodiesel production using the dark oil has not been reported. This study provides technical information and catalytic properties on this system. Among the several catalysts, WO3/ZrO2 catalyst was the most effective catalyst in the esterification of the dark oil to fatty acid methyl esters (FAMEs). The catalytic reaction parameters were optimized that 20 wt.% WO3/ZrO2 has a high FFA conversion of 96% at 150 °C, 0.4 g/ml (oil), 1:9 (oil to alcohol, molar ratio) and 2 h reaction time. The physical and chemical properties of the catalyst were characterized by XRD, Raman spectrometer, BET and NH3-TPD.

Original languageEnglish
Pages (from-to)6589-6593
Number of pages5
JournalBioresource Technology
Volume101
Issue number17
DOIs
Publication statusPublished - 2010 Aug 1

Fingerprint

Biofuels
Esterification
tungsten
Zirconia
Tungsten
Biodiesel
Oils
catalyst
oxide
Catalysts
Acids
oil
acid
Industrial Oils
Temperature programmed desorption
Feedstocks
Chemical properties
Spectrometers
Esters
Fatty Acids

Keywords

  • Biodiesel
  • Dark oil
  • Esterification
  • Solid acid catalyst
  • WO/ZrO

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

Tungsten oxide zirconia as solid superacid catalyst for esterification of waste acid oil (dark oil). / Park, Young Moo; Chung, Sang Ho; Eom, Hee Jun; Lee, Jin Suk; Lee, Kwan Young.

In: Bioresource Technology, Vol. 101, No. 17, 01.08.2010, p. 6589-6593.

Research output: Contribution to journalArticle

Park, Young Moo ; Chung, Sang Ho ; Eom, Hee Jun ; Lee, Jin Suk ; Lee, Kwan Young. / Tungsten oxide zirconia as solid superacid catalyst for esterification of waste acid oil (dark oil). In: Bioresource Technology. 2010 ; Vol. 101, No. 17. pp. 6589-6593.
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