Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using fluent heat transfer medium other than air
Patent
1998-12-08
2000-08-15
Thornton, Krisanne
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using fluent heat transfer medium other than air
165901, 165902, 210175, 210179, 210180, 422 1, 422307, 422308, A61L 200
Patent
active
061031917
ABSTRACT:
A continuous flow sludge pasteurization system includes a flow chamber having an inlet and an outlet and structure within the liquid flow chamber between the inlet and the outlet defining a continuous path for maintaining a continuous flow of a slurry from the inlet toward the outlet at a predetermined rate for establishing a minimum period of residence time of the slurry within the flow chamber, the residence time sufficient to kill all pathogens in the slurry at a predetermined minimum temperature of between about 145 and 160 degrees F, a pump for introducing a continuous flow of a liquid slurry of sludge into the liquid flow chamber and for establishing and maintaining a continuous flow of a liquid slurry through the liquid flow chamber from the inlet to the outlet at the predetermined rate, and a source of heat for introducing heat into a liquid slurry being introduced into the liquid flow chamber for heating the continuous flow of slurry to the predetermined minimum temperature, and dewatering apparatus for removing substantial amounts of water from the slurry to produce a sludge. This system and process is designed to be an integral component of a water reclamation system and capable of meeting a variety of pathogen reduction requirements.
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Riverside County Eastern Municipal Water District
Thornton Krisanne
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