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题名: Development and characterization of composite nanofiltration membranes and their application in concentration of antibiotics
作者: Zhang, W;  He, GH;  Gao, P;  Chen, GH
关键词: AFM ;  fouling ;  interfacial polymerization ;  pilot plant ;  surface coating ;  XPS
刊名: SEPARATION AND PURIFICATION TECHNOLOGY
发表日期: 2003
卷: 30, 期:1, 页:27-35
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: Composite membranes for nanofiltration were prepared by interfacial polymerization of piperazine and trimesoyl chloride. The membranes were characterized by different inorganic salts, uncharged solutions, scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) as well as atomic force microscopy (AFM). The separation performances of the prepared membranes are comparable to the commercial nanofiltration membranes. Some of the membranes were coated with polyvinyl alcohol (PVA). The coated surfaces were found to be smoother and more hydrophilic, which could reduce membrane fouling. The plate-and-frame and spiral-wound modules fabricated by the prepared membranes were used to concentrate antibiotics. The antibiotics solutions were concentrated from 12 000 to 110 000 U/ml in the lab scale experiments and from 80 000 to about 340 000 U/ml in pilot scale experiments. There was no apparent change in average processing capacity observed after nine batches operation in the pilot scale. This study shows that the nanofiltration is a promising technique for concentration of antibiotics. (C) 2002 Elsevier Science B.V. All rights reserved.
关键词[WOS]: REVERSE-OSMOSIS ;  NF MEMBRANES ;  WASTE-WATER ;  REGENERATION ;  PERFORMANCE ;  SEPARATION ;  SOLUTES ;  REMOVAL ;  RO
语种: 英语
WOS记录号: WOS:000180103200003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138349
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Hong Kong Univ Sci & Technol, Dept Chem Engn, Kowloon, Hong Kong, Peoples R China
2.Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Dalian Univ Technol, Dept Chem Engn, Dalian 116012, Peoples R China

Recommended Citation:
Zhang, W,He, GH,Gao, P,et al. Development and characterization of composite nanofiltration membranes and their application in concentration of antibiotics[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2003,30(1):27-35.
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