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Molecules 2016, 21(3), 345; doi:10.3390/molecules21030345

Use of a Ceramic Membrane to Improve the Performance of Two-Separate-Phase Biocatalytic Membrane Reactor

1
Institute on Membrane Technology, CNR-ITM, C/o University of Calabria, Via P. Bucci 17/C, 87036 Rende (CS), Italy
2
Department of Chemical Engineering, Imperial College London, South Kensington Campus, SW7 2AZ London, UK
*
Author to whom correspondence should be addressed.
Academic Editor: Raffaele Molinari
Received: 26 January 2016 / Revised: 3 March 2016 / Accepted: 8 March 2016 / Published: 14 March 2016
(This article belongs to the Special Issue Membrane Catalysis)
View Full-Text   |   Download PDF [2125 KB, uploaded 14 March 2016]   |  

Abstract

Biocatalytic membrane reactors (BMR) combining reaction and separation within the same unit have many advantages over conventional reactor designs. Ceramic membranes are an attractive alternative to polymeric membranes in membrane biotechnology due to their high chemical, thermal and mechanical resistance. Another important use is their potential application in a biphasic membrane system, where support solvent resistance is highly needed. In this work, the preparation of asymmetric ceramic hollow fibre membranes and their use in a two-separate-phase biocatalytic membrane reactor will be described. The asymmetric ceramic hollow fibre membranes were prepared using a combined phase inversion and sintering technique. The prepared fibres were then used as support for lipase covalent immobilization in order to develop a two-separate-phase biocatalytic membrane reactor. A functionalization method was proposed in order to increase the density of the reactive hydroxyl groups on the surface of ceramic membranes, which were then amino-activated and treated with a crosslinker. The performance and the stability of the immobilized lipase were investigated as a function of the amount of the immobilized biocatalytst. Results showed that it is possible to immobilize lipase on a ceramic membrane without altering its catalytic performance (initial residual specific activity 93%), which remains constant after 6 reaction cycles. View Full-Text
Keywords: biocatalytic membrane; immobilized lipase; ceramic biocatalytic membrane; two-separate-phase biocatalytic membrane reactor biocatalytic membrane; immobilized lipase; ceramic biocatalytic membrane; two-separate-phase biocatalytic membrane reactor
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ranieri, G.; Mazzei, R.; Wu, Z.; Li, K.; Giorno, L. Use of a Ceramic Membrane to Improve the Performance of Two-Separate-Phase Biocatalytic Membrane Reactor. Molecules 2016, 21, 345.

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