Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using direct contact steam to disinfect or sterilize
Reexamination Certificate
2011-04-26
2011-04-26
Warden, Jill (Department: 1773)
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using direct contact steam to disinfect or sterilize
C422S292000, C422S295000
Reexamination Certificate
active
07931860
ABSTRACT:
An apparatus for treating waste comprises a gravity drop steam heating tower for heating the waste to the biological kill temperature using pressurized steam, a first feed member for feeding the waste to be sterilized to the gravity drop steam heating tower, and a vaporization system. The vaporization system includes a heating chamber for facilitating vaporization of liquids in the waste, a conveying member for conveying the waste from the lower end portion of the gravity drop steam heating tower into and through the heating chamber, and a vaporization chamber for receiving the waste from the heating chamber and for releasing vapor entrained in the waste into the vaporization chamber.
REFERENCES:
patent: 5523053 (1996-06-01), Dudek
patent: 6368555 (2002-04-01), Goeldner
patent: 2001-8985 (2001-01-01), None
Barrett Timothy
Lewis Robert W.
Bonini, Jr. Frank J.
Chorbaji Monzer R
Earley III John F. A.
Harding, Earley, Follmer & Frailey P.C.
Warden Jill
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