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现代化工  2021, Vol. 41 Issue (12): 208-212    DOI: 10.16606/j.cnki.issn0253-4320.2021.12.042
  工业技术 本期目录 | 过刊浏览 | 高级检索 |
纳滤-反渗透集成膜用于高盐废水脱盐分质的中试研究
陈伟1, 刘丹1, 刘琼琼1,2, 徐威杰1, 柴曼1, 曾辉1
1. 天津环科环境咨询有限公司, 天津 300191;
2. 天津市生态环境科学研究院, 天津 300191
Pilot study on application of nanofiltration-reverse osmosis integrated membrane in desalination and separation of high-salinity wastewater
CHEN Wei1, LIU Dan1, LIU Qiong-qiong1,2, XU Wei-jie1, CHAI Man1, ZENG Hui1
1. Tianjin Huanke Environment Consulting Company Limited, Tianjin 300191, China;
2. Tianjin Academy of Eco-Environmental Sciences, Tianjin 300191, China
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摘要 为探索纳滤-反渗透集成膜技术在工业高盐废水中的脱盐分质效果,以天津市南港工业园某企业产生的高盐废水为原水进行一系列试验,重点考察了集成膜对废水中1价和2价阴阳离子的截留率。结果表明,纳滤-反渗透集成膜工艺对高盐废水的脱盐率具有显著效果,其中纳滤膜对SO42-的截留率高达99.02%,对Cl-会出现负截留现象,从而使Na2SO4和NaCl得到有效分离,而反渗透膜则主要脱除NaCl,对Cl-的截留率达到95%以上。此外,纳滤-反渗透集成膜技术对废水中色度、COD等常规污染物也具有良好的去除效果。
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陈伟
刘丹
刘琼琼
徐威杰
柴曼
曾辉
关键词:  高盐废水  集成膜  脱盐分质  中试  去除率    
Abstract: In order to explore the desalination and separation effects of nanofiltration-reverse osmosis integrated membrane technology in industrial high-salinity wastewater, a series of experiments are conducted with high-salinity wastewater generated by an enterprise in Nangang Industrial Park in Tianjin, China as wastewater samples, focusing on the rejection of monovalent and divalent anions and cations in wastewater by the integrated membranes.It is shown that the nanofiltration-reverse osmosis integrated membrane process has a significant effect on the desalination rate of high-salinity wastewater.The nanofiltration membrane shows a retention rate of as high as 99.02% for SO42- and gives a negative rejection for Cl-, so that Na2SO4 and NaCl can be effectively separated.The reverse osmosis membrane mainly removes NaCl, exhibiting a retention rate over 95% for Cl-.In addition, the nanofiltration-reverse osmosis integrated membrane technology also presents a good removal effect on the chroma, COD and other conventional pollutants in wastewater.
Key words:  high-salinity wastewater    integrated membrane    desalination and separation    pilot    removal rate
收稿日期:  2021-01-27      修回日期:  2021-10-13           出版日期:  2021-12-20
ZTFLH:  TQ703  
基金资助: 国家科技重大专项(2017ZX07107-002)
通讯作者:  刘丹(1993-),女,硕士,工程师,研究方向为生态环境修复,通讯联系人,925587229@qq.com。    E-mail:  925587229@qq.com
作者简介:  陈伟(1982-),男,硕士,工程师,研究方向为环境水处理,chenwei@taes.org
引用本文:    
陈伟, 刘丹, 刘琼琼, 徐威杰, 柴曼, 曾辉. 纳滤-反渗透集成膜用于高盐废水脱盐分质的中试研究[J]. 现代化工, 2021, 41(12): 208-212.
CHEN Wei, LIU Dan, LIU Qiong-qiong, XU Wei-jie, CHAI Man, ZENG Hui. Pilot study on application of nanofiltration-reverse osmosis integrated membrane in desalination and separation of high-salinity wastewater. Modern Chemical Industry, 2021, 41(12): 208-212.
链接本文:  
https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2021.12.042  或          https://www.xdhg.com.cn/CN/Y2021/V41/I12/208
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