Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1988-08-12
1989-10-10
Hruskoci, Peter
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210706, 210202, 2102212, 210241, 210261, 261124, B01D 17035
Patent
active
048729973
ABSTRACT:
In the improved system and method of the present invention, a batch of contaminated oil is deposited into a tank, with the oil preferably being passed through a filter during the depositing step to assist in removal of solids. Once the contaminated coolant has been deposited into the tank, the oil is agitated by injecting several streams of air into the bottom of the tank. This creates several bubble streams which pass upwardly through the coolant toward the surface and, during this passage, agitate the coolant and effect separation of the oil so that it rapidly rises to the coolant surface. The bubble streams are created by different sized orifice member whereby the bubbles of one stream are smaller than the bubbles in another stream. This causes differential agitation vertically through the mass of coolant, and also at the surface, whereby the tramp oil which rises to the surface tends to congregate within the small area disposed over the small bubble stream, thereby facilitating removal of the separated oil.
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Hruskoci Peter
Monlan, Incorporated
Upton Christopher
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