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[1]雷青青,范益群,张宏.多通道陶瓷纳滤膜截留性能的表征方法[J].南京工业大学学报(自然科学版),2015,37(02):50-54.[doi:10.3969/j.issn.1671-7627.2015.02.010]
 LEI Qingqing,FAN Yiqun,ZHANG Hong.Characterization method of retention properties for multi-channel ceramic nanofiltration membranes[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2015,37(02):50-54.[doi:10.3969/j.issn.1671-7627.2015.02.010]
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多通道陶瓷纳滤膜截留性能的表征方法()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
37
期数:
2015年02期
页码:
50-54
栏目:
出版日期:
2015-03-20

文章信息/Info

Title:
Characterization method of retention properties for multi-channel ceramic nanofiltration membranes
文章编号:
1671-7627(2015)02-0050-05
作者:
雷青青范益群张宏
南京工业大学 化学化工学院 材料化学工程国家重点实验室,江苏 南京 210009
Author(s):
LEI QingqingFAN YiqunZHANG Hong
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering,Nanjing Tech University,Nanjing 210009,China
关键词:
陶瓷纳滤膜 表征方法 截留率
Keywords:
ceramic nanofiltration membrane characterization method retention
分类号:
TQ028.8
DOI:
10.3969/j.issn.1671-7627.2015.02.010
文献标志码:
A
摘要:
为得到准确的方法来表征多通道陶瓷纳滤膜,以溶质截留法研究多通道陶瓷纳滤膜的截留性能,考察不同相对分子质量的聚乙二醇(PEG)配比、过滤过程中跨膜压差及膜面流速对测定膜的截留相对分子质量准确性的影响。结果表明:选用相对分子质量分别为200、600、1 500、4 000及10 000的PEG配制成总质量浓度为3 g/L的溶液作为表征陶瓷纳滤膜的基准物,采用跨膜压差为0.2 MPa,膜面流速为2 m/s可合理有效地表征陶瓷纳滤膜。
Abstract:
A standardized characterization method for multi-channel ceramic nanofiltration membranes was established.The retention properties of multi-channel ceramic membranes were examined by solute rejection method.The effects of different components of polyethylene glycol(PEG)on molecular weight cut-off(MWCO)of nanofiltration membranes were investigated.The influences of transmembrane pressure(TMP)and cross-flow velocity(CFV)on MWCO were considered.Results revealed that the feed solution contained PEG with molecular weight of 200,600,1 500,4 000, and 10 000 with concentration of 3 g/L was chosen to characterize ceramic nanofiltration membranes. The suitable operation conditions for ceramic nanofiltration membrane characterization were transmembrane pressure of 0.2 MPa and cross-flow velocity of 2 m/s.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-04-30
基金项目:国家高技术研究发展计划(863计划)(2012AA03A606); 江苏省高校自然科学基金(12KJA5300010); 教育部创新团队发展计划(IRT13070)
作者简介:雷青青(1989—),女,安徽桐城人,硕士,主要研究方向为膜分离; 范益群(联系人),教授,E-mail:yiqunfan@njtech.edu.cn.
引用本文:雷青青,范益群,张宏.多通道陶瓷纳滤膜截留性能的表征方法[J].南京工业大学学报:自然科学版,2015,37(2):50-54..
更新日期/Last Update: 2015-02-20