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A model for determining the steady state flux of inorganic microfiltration membranes
Institution:1. School of Chemical and Metallurgical Engineering, University of the Witwatersrand, Johannesburg, P/Bag 3,Wits 2050, South Africa;2. Hydrometallurgy Division, Mintek, P/Bag X3015, Randburg 2125, South Africa;1. Shandong University of Science and Technology, Mining Disaster Prevention and Control-Ministry of State Key Laboratory Breeding Base, Qingdao 266590, PR China;2. Shandong University of Science and Technology, College of Safety and Environmental Engineering, Qingdao 266590, PR China;3. State Key Laboratory for Geomechanics and Deep Underground Engineering, School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, PR China;1. Physics and Astronomy Department, University of California, Riverside, CA 92521, USA;2. Jockey Club Institute for Advanced Study, Hong Kong University of Science and Technology, Hong Kong, China;1. Global Desalination Research Center (GDRC), School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu Gwangju 61005, Republic of Korea;2. Department of Engineering Science, University of Oxford, United Kingdom;1. College of Safety Science and Engineering, Xi''an University of Science and Technology, Xi''an, Shaanxi 710054, China;2. Department of Environment Systems, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan;3. Key Laboratory of Western Mine Exploitation and Hazard Prevention, Ministry of Education, Xi''an University of Science and Technology, Xi''an, Shaanxi 710054, China
Abstract:The present paper provides a model based on dimensional analysis that gives the basis for design of the cross-flow microfiltration processes. This gives the permeate flux f in terms of the pressure drop across the filtration membrane ΔP and the velocity V of cross-flow of the feed fluid in the membrane tubes. The model is compared with an extensive series of experimental results with magnesium hydroxide slurries. The model has certain similarities with previous ones and can be used for unit optimization.
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