Liquid purification or separation – Processes – Separating
Patent
1994-03-11
1996-07-09
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
210764, 210782, 2103801, 210350, 209199, 209270, 422 28, B01D 3306, A01N 3300
Patent
active
055341624
ABSTRACT:
A method and apparatus are provided for removing liquids from biological waste by the employment of centrifugal force to separate the liquid from the biological waste particulate and into a container separate from a biological waste container, permitting the dried biological waste and removed liquid to be separately and conveniently disposed of. Preferably, a rotatable drum can be rotatably supported within an outer liquid-tight drum, and a disposable porous container, such as a bag made of porous material, can be placed within the rotatable foraminous drum. Biological waste can be placed within the porous, disposable container within the rotatable drum, and the rotatable drum can be rotated at a rate of rotation sufficient to substantially transfer unabsorbed liquid from the biological waste through the disposable porous container and the openings in the foraminous inner drum to the outer liquid-tight collection drum. The collected liquids may be disposed of by pumping them into a sanitary sewer. If it is desired, additional liquid, such as a microbial decontaminating agent, may be added within the porous disposable bag as it is being rotated.
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patent: 4855296 (1989-08-01), Donofrio et al.
patent: 5143615 (1992-09-01), Roy et al.
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U.S. patent application, Ser. No. 08/073,758 filed Jun. 8, 1993.
U.S. patent application, Ser. No. 08/208,989 filed Mar. 9, 1994.
Adams Mathew J.
Lamaster Kenneth R.
Mennel David B.
Rapp Jeffrey C.
Schwartz Lewis I.
Dawson Robert A.
Ecomed, Inc.
Reifsnyder David A.
Steris Corp.
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