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[1]曹莹,王昆,李卫星,等.陶瓷超滤膜脱除水中微量Fe3+[J].南京工业大学学报(自然科学版),2013,35(02):46-50.[doi:10.3969/j.issn.1671-7627.2013.02.009]
 CAO Ying,WANG Kun,LI Weixing,et al.Removal of Fe3+ from water solution with ceramic ultrafiltration membrane[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2013,35(02):46-50.[doi:10.3969/j.issn.1671-7627.2013.02.009]
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陶瓷超滤膜脱除水中微量Fe3+()
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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:
35
期数:
2013年02期
页码:
46-50
栏目:
出版日期:
2013-03-20

文章信息/Info

Title:
Removal of Fe3+ from water solution with ceramic ultrafiltration membrane
文章编号:
1671-7627(2013)02-0046-05
作者:
曹莹王昆李卫星邢卫红
南京工业大学 膜科学技术研究所 国家特种分离膜工程技术研究中心,江苏 南京 210009
Author(s):
CAO YingWANG KunLI WeixingXING Weihong
National Engineering Research Center for Special Separation Membrane,Membrane Science and Technology Research Center,Nanjing University of Technology,Nanjing 210009,China
关键词:
陶瓷膜 Fe3+ 高温凝结水
Keywords:
ceramic membrane Fe3+ condensed water
分类号:
TQ028.8
DOI:
10.3969/j.issn.1671-7627.2013.02.009
文献标志码:
A
摘要:
以高温凝结水的净化为应用背景,采用孔径为4 nm的陶瓷膜去除水中微量Fe3+。考察Fe3+浓度、pH及操作参数等对陶瓷膜分离性能的影响。结果表明:随着Fe3+浓度增大,陶瓷膜对Fe3+的去除率减小; 当Fe3+质量浓度小于50 mg/L时,陶瓷膜对Fe3+的去除率大于98%,操作条件如温度和膜面流速(CFV)的提高均有利于提高陶瓷膜对Fe3+的截留率; 温度升高有利于提高膜过滤通量,操作压力对通量的拐点为0.2 MPa,膜面流速的拐点在3 m/s左右; pH对Fe3+的去除率影响显著,主要由于pH影响了Fe3+在水中的化学构成。
Abstract:
The purification of high-temperature condensed water was necessary.Removal of Fe3+ with ceramic membrane of nominal pore size 4 nm from water solution was studied.The effects of Fe3+ concentration,pH and operation parameters on the separation performances of ceramic membrane were investigated.The Fe3+ rejection rate decreased with the increasing of Fe3+ concentration.The Fe3+ rejection rate with ceramic membrane was more than 98% when Fe3+ concentration was less than 50 mg/L.The rejection rate was improved with the increasing of the temperature and cross-flow velocity(CFV).The permeate flux increased with the increasing of the temperature,and leveled off at operation pressure 0.2 MPa.Meanwhile,the permeate flux also increased with CFV when CFV about 3 m/s.pH had a major influence on the rejection rate,and it affected by the chemical forms of Fe3+ in solution.

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备注/Memo

备注/Memo:
收稿日期:2012-04-28
基金项目:国家自然科学基金(21125629,21076102); 国家高技术研究发展计划(863计划)(2012AA03A606); 江苏省环保科研课题(201018); 江苏省高校自然科学基金(10KJB530002)
作者简介:曹莹(1984—),女,黑龙江虎林人,硕士,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..
更新日期/Last Update: 2013-03-31