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Nanoscale control of internal inhomogeneity enhances water transport in desalination membranes
Abstract
Finding the path to better desalination: Polyamide membranes have been used in large-scale desalination for decades. However, because of the thinness of the membranes and their internal variability, it has been hard to determine which aspects of the membranes most affect their performance. Culp et al. combined electron tomography, nanoscale three-dimensional (3D) polyamide density mapping, and modeling of bulk water permeability with zero adjustable parameters to quantify the effect of 3D nanoscale variations in polymer mass on water transport within the polyamide membrane (see the Perspective by Geise). They found that variability in local density most affects the performance of the membranes. Better synthesis methods could thus improve performance without affecting selectivity. Science , this issue p. 72 ; see also p. 31
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Global threats to human water security and river biodiversity
Vörösmarty, C. J., McIntyre, P. B., Gessner, M. O., Dudgeon, D., Prusevich, A., Green, P., Glidden, S., Bunn, S. E., Sullivan, C. A., Liermann, C. R., et al. (2010) · Nature · doi:10.1038/nature09440 · Cited by 7,582
Cited by
Lu, X., & Elimelech, M. (2021) · Chemical Society Reviews · doi:10.1039/d0cs00502a · Cited by 657
Polyamide-based membranes with structural homogeneity for ultrafast molecular sieving
Shen, L., Cheng, R., Yi, M., Hung, W.-S., Japip, S., Tian, L., Zhang, X., Jiang, S., Li, S., & Wang, Y. (2022) · Nature Communications · doi:10.1038/s41467-022-28183-1 · Cited by 371
Shao, S., Zeng, F., Long, L., Zhu, X., Peng, L. E., Wang, F., Yang, Z., & Tang, C. Y. (2022) · Environmental Science & Technology · doi:10.1021/acs.est.2c04736 · Cited by 355
Aligned macrocycle pores in ultrathin films for accurate molecular sieving
Jiang, Z., Dong, R., Evans, A. M., Biere, N., Ebrahim, M. A., Li, S., Anselmetti, D., Dichtel, W. R., & Livingston, A. G. (2022) · Nature · doi:10.1038/s41586-022-05032-1 · Cited by 339
Abidli, A., Huang, Y., Ben Rejeb, Z., Zaoui, A., & Park, C. B. (2022) · Chemosphere · doi:10.1016/j.chemosphere.2021.133102 · Cited by 194
Metadata
- Authors
- Culp, T. E., Khara, B., Brickey, K. P., Geitner, M., Zimudzi, T. J., Wilbur, J. D., Jons, S. D., Roy, A., Paul, M., Ganapathysubramanian, B., Zydney, A. L., Kumar, M., & Gomez, E. D.
- Venue
- Science
- Published
- 2021-01
- Volume
- 371
- Issue
- 6524
- Pages
- 72-75
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W3114025680
- Cited by
- 392
- References
- 1
- FWCI
- 13.18
- Type
- journal article
- Language
- en
- Open access
- closed
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- Culp, T. E., Khara, B., Brickey, K. P., Geitner, M., Zimudzi, T. J., Wilbur, J. D., Jons, S. D., Roy, A., Paul, M., Ganapathysubramanian, B., Zydney, A. L., Kumar, M., & Gomez, E. D. (2021). Nanoscale control of internal inhomogeneity enhances water transport in desalination membranes. Science. https://doi.org/10.1126/science.abb8518
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