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文章编号:1672-6987(2026)04-0062-07;DOI:10. 16351/j. 1672-6987. 2026. 04. 008
李 鑫,孟祥民* (青岛科技大学 生物工程学院,山东 青岛 266042)
摘 要:采用原位生长法在静电纺丝 PAN(聚丙烯腈)膜表面修饰 ZIF-8 晶体成功制备出 ZIF8 纳米纤维膜,并探索了纺丝工艺参数对纤维膜形貌的影响。以去离子水作为原料液,1 mol · L−1 NaCl 溶液用作驱动液,测试了膜的正渗透性能。研究结果表明:在 PAN 溶液质量分数为 10%、纺丝电压为 14 kV、接收距离为 12 cm 的纺丝条件下,能够制备出形貌良好、表面无缺陷 的 PAN 纳米纤维膜,且膜表面的 ZIF-8 晶体结晶度良好。在正渗透模式下,ZIF-8 纤维膜的反 向盐通量为 0. 87 g ·(m2 · h)−1 ,水通量为 6. 1 L ·(m2 · h)−1 。
关键词:正渗透膜; ZIF-8;静电纺丝;纳米纤维膜
中图分类号:TB 34 文献标志码:A
引用格式:李鑫,孟祥民 . ZIF-8 纳米纤维膜的制备及其正渗透性能[J]. 青岛科技大学学报 (自然科学版),2026,47(4):62-68.
LI Xin, MENG Xiangmin. Preparation of ZIF-8 modified nanofiber composite membrane and its forward osmosis performance[J]. Journal of Qingdao University of Science and Technology (Natural Science Edition),2026,47(4):62-68.
Preparation of ZIF-8 Modified Nanofiber Composite Membrane and Its Forward Osmosis Performance
LI Xin,MENG Xiangmin (College of Biological Engineering, Qingdao University of Science and Technology,Qingdao 266042, China)
Abstract:In this paper, the ZIF-8 nanofiber membrane was prepared by growing ZIF-8 crys‑ tals on the surface of electrospinning PAN membrane using the in-situ growth method. The effect of electrospinning parameters on the morphology of the nanofiber membrane was explored. The forward osmosis performance of the membrane was tested using DI water as the feed solution and 1 mol · L−1 NaCl as the draw solution. The results showed that PAN nanofi‑ ber membrane with proper morphology and defect-free surfaces can be prepared under spinning conditions with a PAN solution concentration of 10%(mass concentration), voltage of 14 kV and distance of 12 cm. The characterisations of the composite membrane confirmed the good crystallinity of ZIF-8 crystals on the surface of the nanofibous membrane. As a result, the ZIF8 composite membrane showed reverse flux of 0. 87 g ·(m2 · h)−1 and water flux of 6. 1 L · (m2 · h)−1 under forward osmosis mode.
Key words:forward osmosis membrane; ZIF-8; electrostatic spinning; nanofiber membrane
收稿日期:2025-08-30
基金项目:山东省自然科学基金项目(ZR2023QB056).
作者简介:李 鑫(1999—),男,硕士研究生 . * 通信联系人