Liquid purification or separation – Flow – fluid pressure or material level – responsive – Diverse sensing means
Patent
1989-07-25
1991-04-30
Lacey, David L.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Diverse sensing means
210109, 210138, 210194, 2102212, 209170, B01D 17035
Patent
active
050115979
ABSTRACT:
The invention relates to a new and improved apparatus for removing suspended matter from liquid. The apparatus has a single cell vertical cylindrical hydraulic flotation vessel which is provided with a separation wall to separate a lower gasification chamber from a middle degasification chamber and an upper gas chamber. A number of alternative arrangements are provided for controlling skim collection through controlling volume of liquid within the vessel and changing the volume of liquid through the use of adjustable timer which intermittently sends signals to outlet valves of the skim collection outlet or of the treated liquid outlet.
The invention provides for alternative arrangement of introducing liquid into the vessel, so as to achieve more intimate mixing of gas and liquid introduced into the vessel.
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Boze Ronald A.
Canzoneri Anthony S.
Lacey David L.
Lithgow Thomas M.
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