膜科学与技术

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Discuss about the measure methods for performance of hollow fiber porous membranes

Authors： lv xiaolong

Units： State Key Laboratory of Hollow Fiber Membrane Materials and Membrane Process, Institute of Biological and Chemical Engineering, Tianjin Polytechnic University, Tianjin, 300160, China

KeyWords： hollow fiber porous membrane, performance measure, pore size, flux, mechanical strength, surface property

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2011,31(2):0-0

Abstract：

There are many routine evaluating indicators widely adopted for the evaluation of hollow fiber porous membranes, which include pore size/diameter, pore size distribution, porosity, permeating flux, rejection rate, and molecular weight cut-off, et al.
But the membrane performance data provided by different membrane corporations could hardly be directly compared, owing to the evaluation method and the evaluation conditions of the membranes are quite different. What’s more, there’re still many important and factual properties of the membranes could not be correctly characterized or described owing to the lack of widely accepted evaluation method or indicators. The lack of uniform standard on the evaluation of commercial hollow fiber membranes greatly encumbered customers in selecting a suitable membrane.
In this paper, the main performance indicators and relative evaluation methods were introduced, in order to construct and uniform the evaluation standard of hollow fiber porous membranes, provide reliable method for the evaluation, selection and application of commercial hollow fiber porous membranes.

Funds：

863课题工业循环冷却水膜集成净化过程研究（2008AA06Z303）；天津市重点基金课题废水浓缩减排与淡化再利用技术研究（09JCZDJC26300）

AuthorIntro：

吕晓龙（1964.2— ），男，山西省忻州市人，博士，博士生导师，从事中空纤维分离膜制备与膜分离过程研究.

Reference：

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