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AWWA ACE94141
- Dehalogenation of Chlorinated Organics by Zero-Valence Metals
- Conference Proceeding by American Water Works Association, 01/01/1994
- Publisher: AWWA
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Elemental iron and zinc have been used to reductively convert part-per-thousand levels of aqueous phase carbon tetrachloride to chloroform in a few hours. Free metal ions, chloride ion and hydrogen gas are produced in the reaction, whereas protons are consumed. Process kinetics are dependent on solution pH, surface area of the elemental metal, carbon tetrachloride concentration, buffer selection and type of solvent. Dehalogenation reactions using elemental metals offer promise as a means for initiating the destruction of heavily halogenated organic compounds.
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