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Nanofiltration extends the range of membrane filtration
Abstract
Nanofiltration is a pressure driven membrane process between reverse osmosis and ultrafiltration. The rejection is low for salts with monovalent anion and nonionized organics with molecular weight below 150 while high for salts with di‐ and multivalent anions and organics with molecular weight above 300. Examples of applications are removal of color and TOC from Florida surface water, removal of hardness, radium, and sulfate from well water, removal of sulfate from seawater and simultaneous removal of sodium chloride and concentration of organics with molecular weight 300–1000 in the food and pharmaceutical industries. The investment cost for a nanofiltration plant is about the same as for a brackish water reverse osmosis plant, but the energy savings can be considerable by using nanofiltration instead of reverse osmosis.
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Cited by
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Vardhan, K. H., Kumar, P. S., & Panda, R. C. (2019) · Journal of Molecular Liquids · doi:10.1016/j.molliq.2019.111197 · Cited by 1,618
The overlooked short- and ultrashort-chain poly- and perfluorinated substances: A review
Ateia, M., Maroli, A., Tharayil, N., & Karanfil, T. (2019) · Chemosphere · doi:10.1016/j.chemosphere.2018.12.186 · Cited by 639
Waste biomass adsorbents for copper removal from industrial wastewater—A review
Bilal, M., Shah, J. A., Ashfaq, T., Gardazi, S. M. H., Tahir, A. A., Pervez, A., Haroon, H., & Mahmood, Q. (2013) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2013.07.071 · Cited by 567
Materials and membrane technologies for water and energy sustainability
Le, N. L., & Nunes, S. P. (2016) · Sustainable Materials and Technologies · doi:10.1016/j.susmat.2016.02.001 · Cited by 432
Metadata
- Authors
- Eriksson, P.
- Venue
- Environmental Progress
- Publisher
- Wiley
- Published
- 1988-02
- Volume
- 7
- Issue
- 1
- Pages
- 58-62
- ISSN
- 0278-4491 (ISSN-L)
- 1547-5921
- OpenAlex
- W2153242965
- Cited by
- 305
- References
- 0
- FWCI
- 5.87
- Type
- journal article
- Language
- en
- Open access
- closed
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