Abstract: Process for the decontamination of decontaminants in waste waters, wherein the waste water stream to be treated pass sequentially through following process steps,waste water treatment with hydrogen peroxide (H.sub.2 O.sub.2), irradiating at the same time with UV light,treatment with a reducing agent such as sodium dithionite,precipitation of existing metal contaminants, optionally followed by a filtration and/or a treatment with a selective ion exchanger.
Type:
Grant
Filed:
February 24, 1995
Date of Patent:
November 12, 1996
Assignee:
Ultra Systems GmbH UV-Oxidation
Inventors:
Karl F. Massholder, Wilfried Werz, Erwin Ecker
Abstract: The process for cleaning polluted solids by crushing the solids and removing the pollutants consists of mechanically fluidizing the crushed solids, through-blowing them with air and irradiating them with UV light, the air flow subsequently being subject to dust removal and irradiated with UV light again.
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