The DOI matches its Crossref record; 23 of the 23 references it cites were found in a registry or an index.
Solute Coupled Diffusion in Osmotically Driven Membrane Processes
Abstract
Forward osmosis (FO) is an emerging water treatment technology with potential applications in desalination and wastewater reclamation. In FO, water is extracted from a feed solution using the high osmotic pressure of a hypertonic solution that flows on the opposite side of a semipermeable membrane; however, solutes diffuse simultaneously through the membrane in both directions and may jeopardize the process. In this study, we have comprehensively explored the effects of different operating conditions on the forward diffusion of solutes commonly found in brackish water and seawater, and reverse diffusion of common draw solution solutes. Results show that reverse transport of solutes through commercially available FO membranes range between 80 mg to nearly 3,000 mg per liter of water produced. Divalent feed solutes have low permeation rates (less than 1 mmol/m2-hr) while monovalent ions and uncharged solutes exhibit higher permeation. Findings have significant implications on the performance and sustainability of the FO process.
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Citations
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Cited by
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Metadata
- Authors
- Hancock, N. T., & Cath, T. Y.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-07-29
- Volume
- 43
- Issue
- 17
- Pages
- 6769-6775
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W1965069383
- Cited by
- 451
- References
- 23
- FWCI
- 24.08
- Type
- journal article
- Language
- en
- Open access
- closed
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