Towards continuous enzyme-catalysed processes for the production of biodiesel

Mathias Nordblad, Anders Kristian Pedersen, Lene Have Meyland, Yuan Xu, John Woodley

Research output: Contribution to conferenceConference abstract for conferenceResearch

Abstract

The application of lipases in the production of biodiesel can find several roles: in pretreating high FFA oils via esterification, transesterification for converting oil to biodiesel and polishing via esterification to ensure the product is within specification. In all these cases the potential size of the process plants, suggest that continuous operation would be highly beneficial due to the economies of scale. To investigate this, we have examined both oil pretreatment via esterification and biodiesel production via transesterification in batch stirred tank reactors (BSTRs), continuous stirred tank reactors (CSTRs) and continuous packed bed reactors (CPBRs). In addition comparisons have been made between the use of liquid enzyme (in CSTR and BSTR) and immobilized enzyme (in BSTR, CSTR and CPBR) in transesterification reactions. In this presentation an evaluation will be given of the alternative modes of operation based on experimental and modeled data from laboratory scale studies. Implications for scale-up will be discussed, together with guidelines for the implementation of continuous processes for enzymatic reactions.
Original languageEnglish
Publication date2012
Publication statusPublished - 2012
Event103rd AOCS Annual Meeting & Expo - Long Beach, CA, United States
Duration: 29 Apr 20122 May 2012
Conference number: 103

Conference

Conference103rd AOCS Annual Meeting & Expo
Number103
Country/TerritoryUnited States
CityLong Beach, CA
Period29/04/201202/05/2012

Bibliographical note

Oral presentation.

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