膜科学与技术

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Preparation and characterization of the support layer for the seawater desalination reverse osmosis membrane

Authors： Yang Feng , Zhou Shang-yin , Pan Yao-yi , Pan Qiao-ming

Units： Hangzhou Beidouxing Membrane Product Co.,Ltd, Hangzhou 310022, China

KeyWords： support layer;dimethylformamide;compaction resistance

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2014,34(3):59-62

Abstract：

In this study, porous support layer was prepared by immerse precipitation phase inversion method with polyester (PET) (100 μm) non-woven fabric as reinforced material, polysulfone (PS) as solute, dimethylformamide (DMF) and dimethylacetamide (DMAC) as solvents, pure water as coagulation bath, and the obtained porous support membrane was used to prepared seawater desalination reverse osmosis desalination membrane through interfacial polymerization technique. The morphological structure , pure water flux, specific surface area, pore volume, average pore size of the support layer , the compaction resistance of seawater desalination reverse osmosis membrane and and salt rejection and water flux of seawater desalination reverse osmosis membrane before and after compaction were measured and characterized. Results showed that compaction resistance of the support layer which was prepared using DMF as solvent was good and could be used for the preparation of seawater desalination reverse osmosis membran

Funds：

国家科技支撑计划课题：海水淡化用膜产品制备技术开发（2009BAB47B05）

AuthorIntro：

杨峰（1983-），男，浙江诸暨人，工程师，从事液体分离膜研究。通讯作者E-mail：yfinhz@163.com

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