Liquid purification or separation – Structural installation – Closed circulating system
Patent
1994-06-09
1995-08-29
Lithgow, Thomas M.
Liquid purification or separation
Structural installation
Closed circulating system
2101951, 210196, 210259, 210295, 210320, 210322, 210525, 210534, 210805, 210806, B01D 2100, B01D 3604, C02F 900
Patent
active
054457300
ABSTRACT:
A grease/oil/water separator device and assembly for a vehicle wash system having a grease/oil/water separator tank which has three tank compartments. A first tank, a settling tank, is provided with entrance and exit piping such that a diagonal cross-flow of water allows sludge and debris to fall to the bottom of the settling tank. Water enters a second tank, the trap tank, from the settling tank, the trap tank being provided with entrance and exit piping such that a diagonal cross-flow of water is created so as to allow oil and grease to be separated from the water with the exit piping being located at the bottom of the trap tank which then enters the third tank, the pump tank where the grease and oil separated water is pumped into a sand filter which further filters the water.
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