CHEMICAL OXIDATION OF VOLATILE ORGANIC COMPOUNDS

Volatile organic compounds are removed from contaminated soil by introducing one or both a water soluble peroxygen compound, such as a persulfate, and a permanganate into the soil, either in situ or ex situ, in amounts and under conditions wherein both the soil oxidant demand is satisfied and volati...

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Bibliographic Details
Main Authors PRADEEP V. CHHEDA, GREGORY M. DOBBS, GEORGE EDWARD HOAG, BERNARD A. WOODY
Format Patent
LanguageEnglish
Portuguese
Published 09.06.2008
Subjects
DISPOSAL OF SOLID WASTE
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
RECLAMATION OF CONTAMINATED SOIL
RECLAMATION OF CONTAMINED SOIL SOIL
SEPARATION
SOIL SHIFTING
TRANSPORTING
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Summary:Volatile organic compounds are removed from contaminated soil by introducing one or both a water soluble peroxygen compound, such as a persulfate, and a permanganate into the soil, either in situ or ex situ, in amounts and under conditions wherein both the soil oxidant demand is satisfied and volatile organic compounds in the soil are oxidized. In a preferred embodiment, when both are used the peroxygen satisfies the soil oxidant demand and the permanganate oxidizes the volatile organic compounds. Sodium persulfate is the preferred persulfate and potassium permanganate is the preferred permanganate. The persulfate and the permanganate may be added to the soil sequentially, or may be mixed together and added as an aqueous solution.
Bibliography:Application Number: PT19990920333T