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Mathematical model and running characteristics of outside-in hollow Ultra-Filtration membrane fiber

Authors： Xu Yao1,2, Yuan Hongying1,2, Wang Yanning1,2 Zhang Yuzhong3, Jing Dawei1

Units： 1.School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China; 2.Tianjin Key Laboratory of Aquatic Science and Technology，Tianjin 300384，China; 3.School of Material Engineering, Tianjin Polytechnic University, Tianjin 300387, China

KeyWords： Hollow UF fiber, Outside-in fiber, Mathematical model, Parameter distribution

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year,volume(issue):pagination： 2019,39(1):81-85

Abstract：

This title has analyzed pressure , flow , and temperature characteristics of permeable and along-path resistance modulus for the hydrophilic short and the hydrophobic long fiber of outside-in hollow ultrafiltration membrane, established the running mathematical model by using the permeability and resistance coefficient of outside-in membrane fiber, discovered the distribution of along-path running characteristics of each fiber under the condition of changing property of feed pressure, temperature, type, fiber length, permeable and resistance modulus to comprehensively reveal the running rule by using single short hydrophilic and long hydrophobic inside-out hollow fiber.

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