Membrane Science and Technology

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Study on themanufactureand application of continuous flat membrane casting equipment

Authors： YU Changyou1，WANG Jianming2，SONG Hongchen2,*，DU Ruxu2，HU Xiaofang1

Units： 1. School of Mechanical & Automotive Engineering of South China University of Technology, Guangzhou 510641 ;

KeyWords： Flat Membrane Casting Equipment, PVDF, high Performance, ultrafiltration membrane

ClassificationCode：TQ028.8;TU991.2

year,volume(issue):pagination： 2014, 34(5):102-108

Abstract：

With Non-solvent induced phase method, poly (vinylidene fluoride) (PVDF) membranes were made by self-designed Flat Membrane Casting Equipment.In order to improve the comprehensive performance of the PVDF ultrafiltration membranes, this research used polyethylene glycol and titanium dioxide nanoparticles as additive, and studied the microstructure morphology, flux and pepsin resistance of PVDF ultrafiltration membranes with different doses of PVDF, PEG and TiO2 as the modifier.According to the results, the excellent membrane can be get with 22wt. % PVDF, 17.5wt.% PEG-6000 and 0.5wt.% TiO2 nanoparticles as additive, which flux and pepsinresistance have reached 1030(L/m2•h•bar) and 76.0%.

Funds：

国家自然科学基金项目(21307146)

AuthorIntro：

余常友(1988-)，男，湖北武汉人，硕士研究生，主要从事TiO2改性超滤膜制备技术研究；*通讯联系人：宋宏臣，副研究员，E-mail: hc.song@giat.ac.cn

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