Liquid purification or separation – Flow – fluid pressure or material level – responsive – Diverse sensing means
Patent
1977-07-15
1979-01-02
Granger, Theodore A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Diverse sensing means
210187, 210320, 210522, 210540, B01D 2110
Patent
active
041326458
ABSTRACT:
A two stage oil skimmer separator for separating a hydrocarbon, such as oil or wax, from the water in a hydrocarbon-water mixture which is of particular utility for the output from an oil refinery storm sewer system. The first stage of the separator includes a tank which allows gravity separation of the hydrocarbon and water. The floating hydrocarbon is skimmed off the top and directed to the second stage separator. The settled water passes under a baffle to retain the hydrocarbon within the system while passing the water out of the separator. The skimmed hydrocarbon, containing some water, is directed to the second stage where it is heated to facilitate further separation. The hydrocarbon is passed from the top of the second stage to storage tanks in the refinery. The water in the bottom of the second stage tank is returned to the first stage for further separation.
REFERENCES:
patent: 2771997 (1956-11-01), Unthank
patent: 3040499 (1962-06-01), May
patent: 3925204 (1975-12-01), Cheysson et al.
patent: 3971719 (1976-07-01), Peters
patent: 3992297 (1976-11-01), Baughcam et al.
Bottomley James C.
Nash Henry G.
Granger Theodore A.
Hess J. Edward
Johnson Donald R.
Lipsitz Paul
Sun Oil Company of Pennsylvania
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