Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using direct contact steam to disinfect or sterilize
Patent
1994-02-10
1995-10-10
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using direct contact steam to disinfect or sterilize
110245, 110246, 422 32, 422 38, 422139, 422177, 4221841, 422209, 422309, A61L 206
Patent
active
054568811
ABSTRACT:
Organic and/or inorganic substances and water are thermally separated from contaminated materials, solid aggregates, the contaminated material is pretreated and is subsequently heated in a directly or indirectly heated furnace, which includes a rotary kiln, a fluidized bed furnace or a floating zone reactor, and during the heating the material is treated with recycled hot gases or recycled hot steam and with oxidizing agents. The exiting processing gases, which contain water vapor, are dedusted, and 80 to 90% by volume of the water vapor-containing processing gases are recycled to the furnace to act as entraining gas. The remaining water vapor-containing processing gases are condensed, the resulting liquid phase is withdrawn, and pollutants are removed from the withdrawn liquid phase by a wet chemical or physical processing.
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Bandel Gebhard
Becker Stephan
Hankel Dirk
Renner Johann
Samant Gurudas
Dubno Herbert
Metallgesellschaft Aktiengesellschaft
Thornton Krisanne M.
Warden Robert J.
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