膜科学与技术

界面聚合法制备海藻酸钠/聚砜复合纳滤膜

作者：高学理，王伟伟，陈晓琳，徐佳，马准，苏燕，高从堦

单位：中国海洋大学化学化工学院，山东青岛266100

关键词：界面聚合；海藻酸钠；复合纳滤膜；制备

出版年,卷(期):页码： 2011,31(4):27-30

摘要：

以聚砜(PS)超滤膜为基膜，海藻酸钠(Sodium Alginate，NaAlg)和均苯三甲酰氯（TMC）分别为水相和油相反应单体，经界面聚合反应制备了一种新型复合纳滤膜。研究了制备影响因素对复合膜分离性能的影响，并利用扫描电镜（SEM）对复合膜的表面形态和断面结构进行了表征。结果表明,当海藻酸钠的浓度为2.0%，TMC的浓度为0.25%，TMC反应时间为30s，热处理温度为50℃，热处理时间为10min时所制备的膜性能最好。所制备的复合纳滤膜在操作压力1.0MPa下，对1000mg•L-1的Na2SO4溶液的脱盐率为84.9%，通量为12.2L•m-2•h-1。

A novel composite nanofiltration membrane was prepared by the interfacial polymerization(IP) between Sodium Alginate(AGS) and trimesoyl chloride(TMC) on the polysulfone(PSF) UF membrane. The influences of preparation conditions on the performance of composite NF were discussed, and the surface and cross-section morphologies of the prepared membrane were characterized by scanning electronic microscopy(SEM). It was found that composite nanofiltration membrane with excellent rejection performance could be prepared while the concentration of Sodium Alginate was 2.0%, the concentration of TMC was 0.25%, the reaction time of TMC was 30 s, and the curing time was 10 min at 50℃.The rejection of 1000 mg•L-1 Na2SO4 slution was about 84.9% and the flux was about 12.2L•m-2•h-1 at the operating pressure of 1.0MPa.

高学理（1975—），男，浙江人，硕士，中国海洋大学，高级工程师，膜法水处理，电话：0532-66782723，邮件：gxl_ouc@126.com。

参考文献：

1 时钧,袁权,高从堦.膜技术手册[M].北京:化学工业出版社, 2001
2 翟晓东, 陆晓峰, 梁国明，等. 界面缩聚法制备聚酰胺复合纳滤膜——I.复合纳滤膜的制备及其结构[J].华东理工大学学报, 2001, 27(6)：643~647.
3 Hodgdon R B.[P].US 5152901,1992.
4　高爱环,刘金盾,张浩勤，等. 聚哌嗪酰胺复合纳滤膜制备及其性能表征[J]. 高校化学工程学报, 2004,18(1)∶28~32.
5 高从堦，全国膜技术报告讨论会论文集.1993：15-18.
6 王湛，周翀.膜分离技术基础[M].北京:化学工业出版社，2006.
7 Glicksman M. Food Carbohydrates(Ed David , Lineback R,et a1)[M],Westport,Connecticut, Saybrook Press,Inc,1982：270.
8 Zhang L, Zhou J P, Zhou D C, et al. Adsorption of cadmium and strontium on cellulose/alginic acid ion-exchange membrane[J]. Journal of Membrane Science, 1999,162: 103-109.
9 Huang R Y M., Pal R , Moon G Y. Characteristics of sodium alginate membranes for the pervaporation dehydration of ethanol–water and isopropanol–water mixtures[J]. Journal of Membrane Science, 1999,160: 101-113.
10 Jochen M H, Lenk W, Lehmann D, et al. Pervaporation separation of water/alcohol mixtures using composite membranes based on polyelectrolyte multilayer assemblies[J]. Journal of Membrane Science, 2001,184: 233–243.
11 宋玉军,程淑英,刘福安,等.制备NF-TFC膜的界面聚合反应研究[J].水处理技术,2000,26(4):203-206.
12 张宇峰,刘恩华,吴云,等.聚酰胺纳滤中空纤维复合膜的制备及其性能研究[J].天津工业大学学报,2004,23(1):8-11.
13 宋玉军,刘福安,赵晨阳,等.复合型纳滤膜的制备及表征[J].北京化工大学学报,1999,26(3):38-40.

服务与反馈：

【文章下载】【加入收藏】

《膜科学与技术》编辑部地址：北京市朝阳区北三环东路19号蓝星大厦邮政编码：100029 电话：010-64426130/64433466 传真：010-80485372邮箱：mkxyjs@163.com