May 2014
Intermediate to advanced
704 pages
22h 15m
English
book
Nanotechnology Applications for Clean Water, 2nd Edition
by Anita Street, Richard Sustich, Jeremiah Duncan, Nora Savage
Content preview from Nanotechnology Applications for Clean Water, 2nd Edition
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Chapter 23
Enhanced Dechlorination of Trichloroethylene by Membrane-Supported Iron and Bimetallic Nanoparticles
S.M.C. Ritchie, Department of Chemical and Biological Engineering, University of Alabama, Tuscaloosa, AL, USA
Zero-valent iron and bimetallic nanoparticles are very effective for the dechlorination of organics (e.g., trichloroethylene, TCE), but are prone to oxidation when exposed to air. Incorporation of the nanoparticles in a membrane phase may minimize oxidation and simplify the engineering of nanotechnology-based systems for water treatment. The polymer phase is also a strong absorbent for the organic, and retains the organic in the solid phase, even if the dechlorination rate is low. Nanoparticles composed of iron and combinations ...