A forced flow membrane enzyme reactor for sucrose inversion using molasses |
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Authors: | Dr. M. Nakajima K. Nishizawa Dr. H. Nabetani |
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Affiliation: | (1) Process Engineering Laboratory National Food Research Institute, Ministry of Agriculture, Forestry and Fisheries, Kannondai 2-1-2, Tukuba-shi, 305 Ibaraki, Japan;(2) Meiji Seika Kaisha Ltd., Sakado, 350-02 Saitama, Japan |
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Abstract: | We have developed a bioreactor which uses enzyme immobilized within a ceramic membrane support (1 mm thickness). Substrate is forced through the membrane by cross-flow filtration with the reaction taking place during the process of crossing the membrane. The bioreactor is termed forced-flow membrane enzyme reactor, FFMER. Invertase, which uses sucrose to form glucose and fructose, was tested in this system. The immobilized invertase membrane converted 100% of the sucrose in a feed stream made up of a 50% molasses solution. Because molasses contains many substances besides sucrose, this method is applicable to processes using substrates present in impure feeds. |
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