Direct chemical oxidation of hazardous and mixed wastes

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Direct Chemical Oxidation (DCO) refers to the use of continuously-regenerated peroxydisulfate (with possible hydrogen peroxide supplements) to effect total destruction of organic wastes in aqueous media. The process does not involve toxic catalysts or the cogeneration of secondary wastes. Peroxydisulfate (S{sub 2}O{sub 8}{sup -2}) is one the strongest known chemical oxidants. It is routinely used in laboratory total carbon analyzers--uncatalyzed at 100{degrees}C, or catalyzed by UV, platinum or dissolved transition metal ions--and detects by oxidative destruction to 0.01 ppm levels. We report: (1) development of a waste treatment approach grounded in industrial electrolysis practice and in reaction rate data for ... continued below

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11 p.

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Cooper, J. F.; Wang, F. & Farmer, J. April 11, 1995.

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Description

Direct Chemical Oxidation (DCO) refers to the use of continuously-regenerated peroxydisulfate (with possible hydrogen peroxide supplements) to effect total destruction of organic wastes in aqueous media. The process does not involve toxic catalysts or the cogeneration of secondary wastes. Peroxydisulfate (S{sub 2}O{sub 8}{sup -2}) is one the strongest known chemical oxidants. It is routinely used in laboratory total carbon analyzers--uncatalyzed at 100{degrees}C, or catalyzed by UV, platinum or dissolved transition metal ions--and detects by oxidative destruction to 0.01 ppm levels. We report: (1) development of a waste treatment approach grounded in industrial electrolysis practice and in reaction rate data for Pt-initiated S{sub 2}O{sub 8}{sup -2} oxidation at 100{degrees}C; (2) tests of an electrochemical cell generating 1.5 N peroxydisulfate solutions; (3) lower-limit rate data for destruction of surrogates for chemical warfare agents and compounds with functional groups resisting oxidation; and (4) destruction of a Dowex{reg_sign} ion exchange resin, such as used in nuclear processing. This technique is particularly suited for applications in analytical laboratories or in manufacturing industries where the waste generation is low in volume, highly toxic or fugitive, or changing. The process may be tailored for destruction of very small to bulk quantities of chemical warfare agents.

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11 p.

Notes

OSTI as DE95017293

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  • 3. American Society for Mechanical Engineers (ASME) biennial mixed waste symposium, Baltimore, MD (United States), 7-11 Aug 1995

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  • Other: DE95017293
  • Report No.: UCRL-JC--120141
  • Report No.: CONF-950877--17
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 105032
  • Archival Resource Key: ark:/67531/metadc625112

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • April 11, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 23, 2016, 1:26 p.m.

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Cooper, J. F.; Wang, F. & Farmer, J. Direct chemical oxidation of hazardous and mixed wastes, article, April 11, 1995; California. (digital.library.unt.edu/ark:/67531/metadc625112/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.