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Nanotechnology Applications for Clean Water, 2nd Edition by Nora Savage, Jeremiah Duncan, Richard Sustich, Anita Street

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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 ...

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