Sorbitol and Gluconate Production in a Hollow Fibre Membrane Reactor by Immobilized Zymomonas Mobilis |
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Authors: | S. L. Paterson A. G. Fane C. J. D. Fell U. H. Chun P. L. Rogers |
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Affiliation: | a School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Kensington, NSW, Australiab Department of Biotechnology, University of New South Wales, Kensington, NSW, Australia |
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Abstract: | This study describes the results of a hollow fibre membrane reactor with immobilized treated cells of Zymomonas mobilis which produced sorbitol and gluconic acid continuously from fructose and glucose respectively. A productivity of 10-20 g sorbitol · L-1 · h-1 and 10-20 gluconate · L-1 · h-1 (based on total bioreactor volume) from a feed of 100 g · L-1 each of glucose and fructose was possible at high dilution rates. Kinetic parameters describing the reaction rate of treated cells in batch reactors were used to analyse the performance of the hollow fibre membrane reactor employing significant convective mass transfer. No significant mass transfer limitation was apparent. |
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Keywords: | Membrane reactor sorbitol and gluconate production starling flow |
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