Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1991-11-07
1993-07-06
Sever, Frank
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210724, 210776, 210800, 210121, 210187, 2101451, 210207, 210252, 210525, 2105321, 210538, B03D 300, C02F 140
Patent
active
052250857
ABSTRACT:
A process for separating the grease, solids and water components from grease such as grease traps and fry grease. The grease is collected and introduced into a primary holding tank to effect primary crude separation. The grease is removed to a second stage separator for further concentration. The water and solids are separately directed to a second stage to separate these components. The separated water is treated suitable for discharge into a sewer. The solids are dried and the solids and grease are then suitable for re-use. In the preferred embodiment, the separators are centrifuges. Heating of the grease may also be necessary to achieve proper viscosity for handling and to remove bacteria.
REFERENCES:
patent: 3909407 (1975-09-01), Heisey
patent: 4007117 (1977-02-01), Smith et al.
patent: 4880533 (1989-11-01), Hondulas
patent: 5006239 (1991-04-01), Mishra
Abbey Dawn F.
Mortensen Tommy L.
Napier Laksir P.
Nelson Gregory J.
Sever Frank
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