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[1]张荟钦,周利跃,刘飞,等.陶瓷膜处理地表水的工艺[J].南京工业大学学报(自然科学版),2011,33(04):20-23.[doi:10.3969/j.issn.1671-7627.2011.04.005]
 ZHANG Huiqin,ZHOU Liyue,LIU Fei,et al.Purification of surface water by ceramic membrane[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2011,33(04):20-23.[doi:10.3969/j.issn.1671-7627.2011.04.005]
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陶瓷膜处理地表水的工艺()
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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:
33
期数:
2011年04期
页码:
20-23
栏目:
出版日期:
2011-07-20

文章信息/Info

Title:
Purification of surface water by ceramic membrane
文章编号:
1671-7627(2011)04-0020-04
作者:
张荟钦1周利跃2刘飞12李卫星1邢卫红1
1. 南京工业大学 膜科学技术研究所,江苏南京210009; 2. 江苏久吾高科技股份有限公司,江苏南京210061
Author(s):
ZHANG Huiqin1ZHOU Liyue2LIU Fei12LI Weixing1XING Weihong1
1. Membrane Science & Technology Research Center, Nanjing University of Technology, Nanjing 210009, China; 2. Jiangsu Jiuwu Hitech Co. Ltd., Nanjing 210061, China
关键词:
陶瓷膜地表水膜构型操作模式
Keywords:
ceramic membrane surface water membrane configuration operation modes
分类号:
TQ028.8
DOI:
10.3969/j.issn.1671-7627.2011.04.005
文献标志码:
A
摘要:
采用混凝沉降与陶瓷膜超滤的组合工艺处理地表水,考察操作模式、膜孔径、膜构型以及膜通量等对膜过滤性能的影响。结果表明:在恒压操作下,终端过滤的操作压差应小于0.075 MPa,对于孔径大于50 nm的陶瓷膜而言,膜通量随孔径变化不大;错流过滤的膜通量随孔径增大而增大;错流过滤的渗透通量是终端过滤的1.5~2.2倍。恒通量操作下,蜂窝陶瓷膜过滤性能优于19通道陶瓷膜,并在恒通量150 L/(m2·h)下稳定运行。混凝沉降陶瓷膜组合工艺对浊度的去除率大于99%,对吸收254 nm波长紫外线有机物(UV254)的去除率大于47.7%,产品水的部分指标优于GB 5749—2006中的指标。
Abstract:
Surface water was purified by the combined process of coagulation-sedimentation and ceramic membrane. The effects of operation mode, membrane pore size, membrane configuration, and flux were investigated. For dead-end mode with constant trans-membrane pressure (Δp), Δp was controlled below 0.075 MPa and the pseudo-steady flux of membranes with pore size had little difference when the pore size was larger than 50nm. For cross-flow filtration, pseudo-steady flux increased with the pore size of membrane. The pseudo-steady flux of cross-flow filtration was 1.5~2.2 times of that for dead-end filtration. In constant flux mode, the filtration performance of honeycomb ceramic membrane was better than that of 19-channel ceramic membrane. The system run stably with a permeate flux of 150 L/(m2·h),and could remove more than 99% of turbidity and 47.7% of organic compounds absorbing 254 nm wavelength ultraviolet(UV254). The quality of permeate was superior to that specified in GB 5749—2006.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2011-03-07
基金项目:国家自然科学基金资助项目(21076102);国家高技术研究发展计划(863计划)资助项目(2009AA033005);江苏省自然科学基金资助项目(BK2008504);江苏省高校自然科学基金资助项目(10KJB530002)
作者简介:张荟钦(1984—),男,新疆和田人,博士,主要研究方向为膜分离;邢卫红(联系人),研究员,E-mail:xingwh@njut.edu.cn.
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