|本期目录/Table of Contents|

[1]夏文,黄亦涵,秘一芳.染料/无机盐高效选择分离性含纳米空腔纳滤膜的制备[J].浙江理工大学学报,2025,53-54(自科二):146-156.
 XIA Wen,HUANG Yihan,MI Yifang.Preparation of nanofiltration membranes with nanocavity for  efficent separation selectivity of dye/inorganic salt[J].Journal of Zhejiang Sci-Tech University,2025,53-54(自科二):146-156.
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染料/无机盐高效选择分离性含纳米空腔纳滤膜的制备()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第53-54卷
期数:
2025年自科第二期
页码:
146-156
栏目:
出版日期:
2025-03-10

文章信息/Info

Title:
Preparation of nanofiltration membranes with nanocavity for  efficent separation selectivity of dye/inorganic salt
文章编号:
1673-3851 (2025) 03-0146-11
作者:
夏文黄亦涵秘一芳
浙江理工大学先进纺织材料与制备技术教育部重点实验室,杭州 310018
Author(s):
XIA Wen HUANG Yihan MI Yifang
Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
关键词:
纳滤膜氨基修饰的环糊精界面聚合染料/无机盐的分离抗污染
分类号:
TQ028-8
文献标志码:
A
摘要:
为提高纳滤膜的水渗透通量、染料/无机盐选择分离性和抗污染能力,合成了氨基修饰的β 环糊精(Aminofunctionalized β cyclodextrins, NCD),通过界面聚合法制备印染废水处理用NCD掺杂的纳滤膜(NCD nanofiltration membranes, NCDM);分析NCD的化学结构,表征NCDM的化学组成、表面形貌和膜表面亲水性,并对NCDM的分离性能、稳定性和抗污染进行表征。结果表明:NCD成功修饰上氨基基团;与β 环糊精相比,NCD具有更强的界面聚合能力。当NCD的质量分数为0.7%时,制备的纳滤膜性能最佳,水渗透通量为10.6 L/(m 2·h·bar);与β 环糊精制备的纳滤膜相比,NCDM水渗透通量提升1.3倍;与哌嗪类聚酰胺纳滤膜相比,水渗透通量提升1.8倍。NCDM对染料甲基蓝(MYB)和氯化钠(NaCl)的截留率为99.9%和7.9%,具有良好的染料和NaCl的分离能力。NCDM对MYB和NaCl的选择分离因子可达440。此外,NCDM 3具有良好的性能稳定性和抗污染能力。NCDM 3对MYB/NaCl的混合溶液进行24 h连续分离,其水渗透通量稳定在约9.8 L/(m 2·h·bar),对MYB和NaCl的截留率分别为99.8%和11.0%。在以0.1 g/L的牛血清白蛋白溶液为污染源的抗污染实验中,NCDM 3的通量恢复率高达95.5%。该研究工作为制备高渗透性以及高染料/无机盐选择性的纳滤膜提供了一种有效方法。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2024-04-16
网络出版日期:2024-07-22
基金项目:浙江省自然科学基金项目(LY22B060011)
作者简介:夏 文(1997— ),男,安徽宣城人,硕士研究生,主要从事纳滤膜方面的研究。
通信作者:秘一芳,E-mail:myf@zstu.edu.cn
更新日期/Last Update: 2025-03-06