Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1990-11-08
1991-07-09
Silverman, Stanley
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210710, 210737, C02F 124, C02F 138, C02F 1114
Patent
active
050303597
ABSTRACT:
Fats and proteins in wastewater are commonly concentrated in a dissolved air flotation cell as a sludge ("skimmings") which has a very high water content, even after centrifuging or the like. A process is provided to reduce the water content of the sludge thereby reducing the cost of disposal of the sludge.
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Caropreso Frank E.
Castrantas Harry M.
Andersen R. L.
Baker P. C.
Elden R. E.
FMC Corporation
McCarthy Neil M.
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