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深圳大学牛青山/河北科技大学韩继龙团队 | FeOOH 纳米棒嵌入型 TFN 膜显著提升海水淡化性能

  • 2026-03-31 18:45:24
深圳大学牛青山/河北科技大学韩继龙团队 | FeOOH 纳米棒嵌入型 TFN 膜显著提升海水淡化性能

01

研究背景

反渗透 (RO) 膜在海水淡化中至关重要,但传统 TFC 膜仍面临通量–选择性权衡、结构致密化、耐压不足与抗污染能力弱等痛点。为突破限制,研究者尝试将无机纳米材料嵌入形成 TFN 膜,但其性能在很大程度上取决于纳米材料在水相或油相分散的方式。

近日,深圳大学牛青山和河北科技大学韩继龙团队系统比较了 FeOOH 纳米棒在水相 (TFN-A) 与油相 (TFN-O) 分散对界面聚合的影响,提出 “相分散调控” 策略,实现大幅提升的通量、耐压性、抗污染性与抗氯性能,为 TFN 膜结构调控提供关键机制依据。

02

研究亮点

  • 系统比较 FeOOH 纳米棒在水相/油相分散的差异,实现界面聚合路径可控调节。

  • 分散相变化显著影响聚酰胺层结构,带来更高交联度、厚度与亲水性。

  • TFN‑A 膜水通量提升 355.7%,并保持高脱盐率;TFN‑O 膜表现出优异氯稳定性 (10,000 ppm·h 仅降 2%)。

  • 两类膜呈现互补优势:TFN-A 耐压更强,TFN-O 抗污染更佳。

03

前景展望

本研究揭示了 “分散相决定界面行为” 的关键规律,为不同无机材料构建高性能 TFN 膜提供通用策略。未来可将该机制拓展至 MOF、COF、CNTs 等多类纳米材料体系,推动反渗透膜在高盐水、苦咸水及工业废水处理中的应用升级。

04

研究图解

图1 FeOOH 纳米棒制备与 TFN 膜制备流程示意。

图2 TFC/TFN-A/TFN-O 膜表面形貌 (SEM/AFM)。

图3 (a) MPD 在正己烷中的紫外-可见吸收光谱。(b) 三种油水界面体系的数码照片。(c) FeOOH 在水或正己烷中随时间的紫外-可见吸收光谱变化 (插图:Hexane-FeOOH 与水接触 3 分钟后的照片)。(d) 三种油水界面体系中 MPD 单体扩散的示意图。

图4 (a) 各种复合膜的脱盐性能。(b) TFN 膜中分离机制的示意图。(c) 引入不同纳米材料的聚酰胺反渗透膜其脱盐性能的变化。(d) TFN-A与TFN-O膜的渗透性 (归一化为 Lm⁻²h⁻¹bar⁻¹m × 10⁻⁵) 与水/氯化钠选择性之间的相关性,并与文献报道的反渗透膜进行比较。

图5 (a, b) 不同反渗透膜抗污染性能。(c) 不同反渗透膜在耐氯测试前后的氯化钠脱盐性能。(d) 各种反渗透膜综合分离性能的比较。

05

论文信息

Embedding of FeOOH nanorods in the fabrication of a thin film nanocomposite (TFN) membrane for enhanced desalination

Pengfei Li (李鹏飞), Liming Wang, Mingzheng Bao, Yu Yong, Jilong Han (韩继龙) and Q. Jason Niu (牛青山)

Inorg. Chem. Front., 2026, Advance Article

https://doi.org/10.1039/D5QI02382C

*本文部分内容由AI工具辅助生成,已由作者审核确认。

点击“阅读原文”直达上述文章

06

作者简介

牛青山

深圳大学

牛青山,深圳大学教授,长期从事于功能高分子界面材料、先进电子材料、新能源材料及高效膜分离材料的教学、科研和产业化工作。曾先后在美国康奈尔大学和加州大学伯克利分校就职,担任教授助理;在世界知名跨国企业担任高级研究员,首席工程师及首席科学家等职务。2014 年作为国家重大人才工程入选者、山东省 “泰山学者” 海外特聘专家被引进回国工作,任中国石油大学 (华东) 化学工程学院教授、博导;2019 年起担任深圳大学高等研究院特聘教授、博导。研究方向主要是面向水处理的膜材料与膜过程。团队近年来在 Nature Comm.J. Membrane Sci.Desalination 等期刊发表论文 90 余篇,申请国内外专利 20 余件。

韩继龙

河北科技大学

韩继龙,中国科学院大学博士,现任河北科技大学化学与制药工程学院化工原理系主任、副教授、硕士生导师,校聘二级教授。主要从事复合膜材料制备与应用、盐湖及卤水中锂资源提取、锂电池回收及钙镁盐高值化利用研究。先后在中国科学院青海盐湖研究所及河北科技大学从事科研与教学工作,主持及参与多项国家与省部级科研项目,包括青海省企业创新资金重点项目、科技援青项目及企业委托课题。在 J. Membr. Sci.Sep. Purif. Technol.Chem. Eng. J.Desalination 等期刊发表 SCI 论文 30 余篇,获授权发明专利 20 余项。

李鹏飞

河北科技大学

李鹏飞,2023 年博士毕业于中国石油大学 (华东),现任河北科技大学化学与制药工程学院校聘副教授。主要从事膜分离方向的基础与应用研究,具体包括聚酰胺复合膜材料的设计与制备、污水处理与盐类资源化、以及聚合物分离膜表界面功能化。近年来,在 J. Membr. Sci.Sep. Purif. Technol.ACS Appl. Mater. InterfacesDesalination 等期刊发表多篇 SCI 论文,并获授权国家发明专利多项。参与多项国家级及省部级科研项目,包括国家重点研发计划、国家自然科学基金、山东省重大科技创新工程及欧盟研究与创新计划项目等。

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  1. CONNECT:[ UseTime:0.000596s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000868s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000332s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000266s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000511s ]
  6. SELECT * FROM `set` [ RunTime:0.000198s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000614s ]
  8. SELECT * FROM `article` WHERE `id` = 522376 LIMIT 1 [ RunTime:0.000530s ]
  9. UPDATE `article` SET `lasttime` = 1777523753 WHERE `id` = 522376 [ RunTime:0.005396s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000279s ]
  11. SELECT * FROM `article` WHERE `id` < 522376 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.003013s ]
  12. SELECT * FROM `article` WHERE `id` > 522376 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000487s ]
  13. SELECT * FROM `article` WHERE `id` < 522376 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.006113s ]
  14. SELECT * FROM `article` WHERE `id` < 522376 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.011978s ]
  15. SELECT * FROM `article` WHERE `id` < 522376 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.034377s ]
0.138372s