Compositions – Chemically interactive reactants – Organic reactant admixed with inorganic reactant
Patent
1990-11-05
1994-10-25
Langel, Wayne
Compositions
Chemically interactive reactants
Organic reactant admixed with inorganic reactant
588206, 588207, 588901, C09K 300
Patent
active
053586573
ABSTRACT:
Reagent compositions suitable for use in degrading and detoxifying polyhalogenated organic compounds comprising an aprotic solvent having dissolved therein (a) an effective amount of hydrogen donor, (b) an effective amount of a compound which produces hydroxide ion or alkoxide ion, and (c) dioxygen, are shown. These reagent compositions may be used to produce superoxide ion in situ for use in a variety of industrial applications to degrade halogenated hydrocarbons, e.g., PCBs. The generation of superoxide ion may be catalyzed by the presence of anthraquinone and derivatives thereof. Reagent compositions containing (a) an effective amount of hydrogen donor, e.g., hydroxylamine, (b) an effective amount of a compound which produces hydroxide ion or alkoxide ion and (c) dioxygen are also shown. In preferred methods the dioxygen is bubbled through the solutions to continuously form superoxide ion.
REFERENCES:
patent: 2647934 (1953-08-01), Hillyer et al.
patent: 3260570 (1966-07-01), Russell
patent: 4410402 (1983-10-01), Sawyer et al.
patent: 4468297 (1984-08-01), Sawyer et al.
Jeon Seungwon
Sawyer Donald T.
Tsang Paul K. S.
Langel Wayne
Texas A&M University System
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