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Layer-by-Layer Fabrication of High-Performance Polyamide/ZIF-8 Nanocomposite Membrane for Nanofiltration Applications
Abstract
The conventional blending fabrication for thin-film nanocomposite (TFN) membranes is to disperse porous fillers in aqueous/organic phases prior to interfacial polymerization, and the aggregation of fillers may lead to the significant decrease in membrane performance. To overcome this limitation, we proposed a novel layer-by-layer (LBL) fabrication to prepare a polyamide (PA)/ZIF-8 nanocomposite membrane with a multilayer structure: a porous substrate, a ZIF-8 interlayer, and a PA coating layer. The PA/ZIF-8 (LBL) membrane for nanofiltration applications was prepared by growing an interlayer of ZIF-8 nanoparticles on an ultrafiltration membrane through in situ growth and then coating it with an ultrathin PA layer through interfacial polymerization. The obtained PA/ZIF-8 (LBL) membrane exhibited both better permeance and selectivity than did the conventional PA/ZIF-8 TFN membrane because of the ZIF-8 in situ growth producing a ZIF-8 interlayer with more ZIF-8 nanoparticles but fewer aggregates. Compared with the pure PA membrane (the flux of 11.2 kg/m(2)/h and rejection of 99.6%) for dye removal, the obtained PA/ZIF-8 (LBL) membranes achieved a significant improvement in membrane permeance and selectivity. (Flux was up to 27.1 kg/m(2)/h, and the rejection reaches 99.8%.) This LBL fabrication is a promising methodology for other polymer nanocomposite membranes simultaneously having high permeance and good selectivity.
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Cited by
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Li, X., Liu, Y., Wang, J., Gascon, J., Li, J., & Van der Bruggen, B. (2017) · Chemical Society Reviews · doi:10.1039/c7cs00575j · Cited by 747
Self-citationPhotocatalytic Nanofiltration Membranes with Self‐Cleaning Property for Wastewater Treatment
Lv, Y., Zhang, C., He, A., Yang, S., Wu, G., Darling, S. B., & Xu, Z. (2017) · Advanced Functional Materials · doi:10.1002/adfm.201700251 · Cited by 339
Wu, M., Yuan, J., Wu, H., Su, Y., Yang, H., You, X., Zhang, R., He, X., Khan, N. A., Kasher, R., et al. (2019) · Journal of Membrane Science · doi:10.1016/j.memsci.2019.01.040 · Cited by 325
Dai, R., Li, J., & Wang, Z. (2020) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2020.102204 · Cited by 292
Self-citationRecent advances in high-performance TFC membranes: A review of the functional interlayers
Ji, C., Zhai, Z., Jiang, C., Hu, P., Zhao, S., Xue, S., Yang, Z., He, T., & Niu, Q. J. (2021) · Desalination · doi:10.1016/j.desal.2020.114869 · Cited by 268
Metadata
- Authors
- Wang, L., Fang, M., Liu, J., He, J., Li, J., & Lei, J.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-10-20
- Volume
- 7
- Issue
- 43
- Pages
- 24082-24093
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W1802871286
- Cited by
- 246
- References
- 0
- FWCI
- 12.03
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, L., Fang, M., Liu, J., He, J., Li, J., & Lei, J. (2015). Layer-by-Layer Fabrication of High-Performance Polyamide/ZIF-8 Nanocomposite Membrane for Nanofiltration Applications. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.5b07128
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