Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-07-07
1976-04-06
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 23R, 210 73W, 210266, 210289, 210293, 210301, 210302, 210307, 210316, 210317, 210DIG5, 210DIG26, B01D 1300
Patent
active
039487687
ABSTRACT:
A method and apparatus are provided for separating fine oily particles from aqueous liquids at very high flow velocities by passing the mixture upwardly through an unconfined mass of oleophilic granules in a column with adequate velocity to separate and lift the individual granules into the upwardly flowing mixture within the column where movement of the individual granules serves to collect and coalesce the fine oily particles, and finally to release large oil drops back into the mainstream of the upwardly flowing mixture column. These large oil drops are then intercepted and extracted by a steeply inclined screen and caused to flow to storage in the form of a fine oil film propelled by the force of the flow of the aqueous liquid through the screen.
REFERENCES:
patent: 1947709 (1934-02-01), Garrison et al.
patent: 2922750 (1960-01-01), Price
patent: 3208596 (1965-09-01), Gravert
patent: 3450632 (1969-07-01), Olson et al.
patent: 3469702 (1969-09-01), Perren
patent: 3797766 (1973-07-01), Brooks
Calvetti F. F.
Hart Charles N.
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