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Synergistic Prevention of Biofouling in Seawater Desalination by Zwitterionic Surfaces and Low-Level Chlorination

Author(s)
Yang, Rong; Jang, Hongchul; Stocker, Roman; Gleason, Karen K
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Abstract
Smooth, durable, ultrathin antifouling layers are deposited onto commercial reverse osmosis membranes without damaging them and they exhibit a fouling reduction. A new synergistic approach to antifouling, by coupling surface modification and drinking-water-level chlorination is enabled by the films' unique resistance against chlorine degradation. This approach substantially enhances longer-term fouling resistance compared with surface modification or chlorination alone, and can reduce freshwater production cost and its collateral toxicity to marine biota.
Date issued
2013-12
URI
http://hdl.handle.net/1721.1/101169
Department
Massachusetts Institute of Technology. Department of Chemical Engineering; Massachusetts Institute of Technology. Department of Civil and Environmental Engineering; Parsons Laboratory for Environmental Science and Engineering (Massachusetts Institute of Technology)
Journal
Advanced Materials
Publisher
Wiley Blackwell
Citation
Yang, Rong, Hongchul Jang, Roman Stocker, and Karen K. Gleason. “Synergistic Prevention of Biofouling in Seawater Desalination by Zwitterionic Surfaces and Low-Level Chlorination.” Advanced Materials 26, no. 11 (December 27, 2013): 1711–1718.
Version: Author's final manuscript
ISSN
09359648
1521-4095

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