Removal of Membrane Contamination in the Process of Preparating Food Grade Soy Lecithin by Inorganic Membrane Micro-Filtration

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Removal of Membrane Contamination in the Process of Preparating Food Grade Soy Lecithin by Inorganic Membrane Micro-Filtration
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This manuscript is to study the membrane contamination removal technology process in the process of preparating food grade soy lecithin by inorganic membrane micro-filtration.Through comparing the effect of n-hexane washing and NaOH solution washing on membrane fiux and the acetone insoluble content,it was found that n-hexane with low moisture efficient delay the membrane fouling,and the highest membrane flux can be acquired with washing by 2 g/dL NaOH solution in 80℃ and 2 hours.The acetone insoluble content also arrived at the highest value (more than 60%).

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LIU Fang-bo, LIU Yuan-fa, WANG Xing-guo, JIN Qing-zhe. Removal of Membrane Contamination in the Process of Preparating Food Grade Soy Lecithin by Inorganic Membrane Micro-Filtration[J]. Journal of Food Science and Biotechnology,2010,29(3):365-369.

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Online: June 17,2014
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