Liquid purification or separation – Processes – Chemical treatment
Reexamination Certificate
2007-08-07
2007-08-07
Langel, Wayne A. (Department: 1754)
Liquid purification or separation
Processes
Chemical treatment
C210S202000, C210S255000, C210S266000, C210S753000, C210S755000, C210S908000, C588S316000, C588S406000
Reexamination Certificate
active
10483683
ABSTRACT:
The invention relates to a process and a device for decontaminating waters, especially groundwaters, which are heavily and complexly polluted with organic halogen compounds (HHC), in which process the contaminated waters are pre-treated in order to convert low-volatility HHC into more readily volatile components, the halogenated hydrocarbons are subsequently transferred from the aqueous phase to the gaseous phase where complete conversion into halogen-free compounds takes place at elevated temperature by means of catalytic reductive dehalogenation.
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Grathwohl Peter
Koehler Robert
Kopinke Franz-Dieter
MacKenzie Katrin
Schueth Christoph
Akerman & Senterfitt
Fiorito James
Helmholtz-Zentrum fur Umweltforschung GmbH-Ufz
Langel Wayne A.
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