Ethanesulfonic acid-based esterification of industrial acidic crude palm oil for biodiesel production

Adeeb Hayyan, Farouq S. Mjalli, Mohd Ali Hashim, Maan Hayyan, Inas M. AlNashef, Saeed M. Al-Zahrani, Mohammed A. Al-Saadi

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

An industrial grade acidic crude palm oil (ACPO) pre-treatment process was carried out using ethanesulfonic acid (ESA) as a catalyst in the esterification reaction. ESA was used in different dosages to reduce free fatty acid (FFA) to a minimum level for the second stage of biodiesel production via alkaline transesterification reaction. Different process operating conditions were optimized such as ESA dosage (0.25-3.5% wt/wt), methanol to ACPO molar ratio (1:1-20:1), reaction temperature (40-70°C), and reaction time (3-150. min). This study revealed the potential use of abundant quantities of ACPO from oil palm mills for biodiesel production. The lab scale results showed the effectiveness of the pre-treatment process using ESA catalyst. Three consecutive catalyst recycling runs were achieved without significant degradation in its performance. Second and third reuse runs needed more reaction time to achieve the target level of FFA content. Esterification and transesterification using ESA and KOH respectively is proposed for biodiesel industrial scale production. The produced biodiesel meets the international standards specifications for biodiesel fuel (EN 14214 and ASTM D6751).

Original languageEnglish
Pages (from-to)9564-9570
Number of pages7
JournalBioresource Technology
Volume102
Issue number20
DOIs
Publication statusPublished - Oct 2011

Fingerprint

Palm oil
Biofuels
Esterification
Biodiesel
crude oil
Acids
acid
catalyst
Transesterification
Fatty acids
Nonesterified Fatty Acids
Catalysts
fatty acid
Methanol
methanol
Recycling
mill
recycling
ethane sulfonate
palm oil

Keywords

  • Acidic crude palm oil
  • Biodiesel
  • Esterification
  • Ethanesulfonic acid
  • Free fatty acid

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

Hayyan, A., Mjalli, F. S., Hashim, M. A., Hayyan, M., AlNashef, I. M., Al-Zahrani, S. M., & Al-Saadi, M. A. (2011). Ethanesulfonic acid-based esterification of industrial acidic crude palm oil for biodiesel production. Bioresource Technology, 102(20), 9564-9570. https://doi.org/10.1016/j.biortech.2011.07.074

Ethanesulfonic acid-based esterification of industrial acidic crude palm oil for biodiesel production. / Hayyan, Adeeb; Mjalli, Farouq S.; Hashim, Mohd Ali; Hayyan, Maan; AlNashef, Inas M.; Al-Zahrani, Saeed M.; Al-Saadi, Mohammed A.

In: Bioresource Technology, Vol. 102, No. 20, 10.2011, p. 9564-9570.

Research output: Contribution to journalArticle

Hayyan, A, Mjalli, FS, Hashim, MA, Hayyan, M, AlNashef, IM, Al-Zahrani, SM & Al-Saadi, MA 2011, 'Ethanesulfonic acid-based esterification of industrial acidic crude palm oil for biodiesel production', Bioresource Technology, vol. 102, no. 20, pp. 9564-9570. https://doi.org/10.1016/j.biortech.2011.07.074
Hayyan, Adeeb ; Mjalli, Farouq S. ; Hashim, Mohd Ali ; Hayyan, Maan ; AlNashef, Inas M. ; Al-Zahrani, Saeed M. ; Al-Saadi, Mohammed A. / Ethanesulfonic acid-based esterification of industrial acidic crude palm oil for biodiesel production. In: Bioresource Technology. 2011 ; Vol. 102, No. 20. pp. 9564-9570.
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