A review of current state of biodiesel production using enzymatic transesterification

Lene Fjerbæk*, Knud Christensen, Birgir Norddahl

*Corresponding author for this work

Research output: Contribution to journalReviewResearchpeer-review

Abstract

Enzymatic biodiesel production has been investigated intensively, but is presently employed industrially only in a 20,000 tons/year pilot plant in China (Du et al. [2008] Appl Microbiol Technol 79(3):331–337). This review presents a critical analysis of the current status of research in this area and accentuates the main obstacles to the widespread use of enzymes for commercial biodiesel transesterification. Improved results for enzymatic catalysis are seen with respect to increased yield, reaction time and stability, but the performance and price of the enzymes need further advances for them to become attractive industrially for biodiesel production. Critical aspects such as mass transfer limitations, use of solvents and water activity are discussed together with process considerations and evaluation of possible reactor configurations, if industrial production with enzymes is to be carried out. Results of published studies on the productivity of enzymes are also presented and compared to the use of chemical catalysts
Original languageEnglish
JournalBiotechnology and Bioengineering
Volume102
Issue number5
Pages (from-to)1298-1315
ISSN0006-3592
DOIs
Publication statusPublished - 1. Apr 2009

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Biofuels
Transesterification
Biodiesel
Enzymes
Pilot plants
Catalysis
China
Mass transfer
Productivity
Catalysts
Water
Research

Cite this

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abstract = "Enzymatic biodiesel production has been investigated intensively, but is presently employed industrially only in a 20,000 tons/year pilot plant in China (Du et al. [2008] Appl Microbiol Technol 79(3):331–337). This review presents a critical analysis of the current status of research in this area and accentuates the main obstacles to the widespread use of enzymes for commercial biodiesel transesterification. Improved results for enzymatic catalysis are seen with respect to increased yield, reaction time and stability, but the performance and price of the enzymes need further advances for them to become attractive industrially for biodiesel production. Critical aspects such as mass transfer limitations, use of solvents and water activity are discussed together with process considerations and evaluation of possible reactor configurations, if industrial production with enzymes is to be carried out. Results of published studies on the productivity of enzymes are also presented and compared to the use of chemical catalysts",
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A review of current state of biodiesel production using enzymatic transesterification. / Fjerbæk, Lene; Christensen, Knud; Norddahl, Birgir.

In: Biotechnology and Bioengineering, Vol. 102, No. 5, 01.04.2009, p. 1298-1315.

Research output: Contribution to journalReviewResearchpeer-review

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AU - Fjerbæk, Lene

AU - Christensen, Knud

AU - Norddahl, Birgir

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AB - Enzymatic biodiesel production has been investigated intensively, but is presently employed industrially only in a 20,000 tons/year pilot plant in China (Du et al. [2008] Appl Microbiol Technol 79(3):331–337). This review presents a critical analysis of the current status of research in this area and accentuates the main obstacles to the widespread use of enzymes for commercial biodiesel transesterification. Improved results for enzymatic catalysis are seen with respect to increased yield, reaction time and stability, but the performance and price of the enzymes need further advances for them to become attractive industrially for biodiesel production. Critical aspects such as mass transfer limitations, use of solvents and water activity are discussed together with process considerations and evaluation of possible reactor configurations, if industrial production with enzymes is to be carried out. Results of published studies on the productivity of enzymes are also presented and compared to the use of chemical catalysts

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