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Integrated system for the destruction of organics by hydrolysis and oxidation with peroxydisulfate

United States Patent

August 1, 2000
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
An integrated system for destruction of organic waste comprises a hydrolysis step at moderate temperature and pressure, followed by direct chemical oxidation using peroxydisulfate. This system can be used to quantitatively destroy volatile or water-insoluble halogenated organic solvents, contaminated soils and sludges, and the organic component of mixed waste. The hydrolysis step results in a substantially single phase of less volatile, more water soluble hydrolysis products, thus enabling the oxidation step to proceed rapidly and with minimal loss of organic substrate in the off-gas.
Cooper; John F. (Oakland, CA), Balazs; G. Bryan (Livermore, CA), Hsu; Peter (Pleasanton, CA), Lewis; Patricia R. (Livermore, CA), Adamson; Martyn G. (Danville, CA)
Regents of the University of California (Oakland, CA)
09/ 055,029
April 3, 1998
The United States Government has rights in this invention pursuant to Contract No. W-7405-ENG-48 between the United States Department of Energy and the University of California for the operation of Lawrence Livermore National Laboratory.