膜科学与技术

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Mathematical Simulation and Optimization of Submerged Hollow Fiber Membrane Module in Ultrafiltration Process

Authors： Luo Nan1, Fan Yaobo1*, Wang Jie2, Geng Quanyue2

Units： 1.Control Technology, ResearchCenter for Eco-Environmental Sciences, ChineseAcademyof Sciences, Beijing 100085, China; 2.School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300399, China

KeyWords： Hollow fiber membrane module; Response Surface Methodology; Mathematical model; Membrane fouling; Optimum

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2014,34(2):32-39

Abstract：

Based on the theory of membrane foulingasymmetric distributionalong axial hollow fiber membrane,the dynamic models of membrane resistance related to time and space under variation flux condition in ultrafiltration of hollow fiber membrane were established by Response Surface Methodology (RSM). Theremarkableanalysis and experiment have been carried out to verify this model.The optimization of the hollow fiber membrane module was performed using the model. The verification suggests thatmodel calculated value agrees with experimental valuewell.Analysis of this model showedthat in the subcritical flux condition, there was an optimum value of membrane fiber length and operation time.In the critical and supercritical state,membrane resistance is proportional to the fiber length and operational time.

Funds：

水体污染控制与治理科技重大专项“PVDF膜组件及成套装备产业化”（2011ZX07321- 001），国家自然科学基金“MBR 流场、传质与能耗的相互关系研究”（51278483)，中国科学院院地合作项目:“新型低能耗膜生物反应器污水资源化技术工程应用”（ZNGZ2011023)

AuthorIntro：

罗南（1987-），女，湖南衡阳人，博士生，从事膜分离技术的研究. *通讯联系人E-mail: ybfan@rcees.ac.cn

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