Liquid purification or separation – Processes – Separating
Patent
1981-06-19
1983-06-07
Spear, Jr., Frank A.
Liquid purification or separation
Processes
Separating
210800, 210170, 210540, B01C 210
Patent
active
043870309
ABSTRACT:
A system for separating two immiscible fluids of different densities. An outer conduit extends down from the earth's surface at least to a depth determined as a function of the average difference between the weights of the two fluids to be separated. An inner conduit extends down from the earth's surface inside the outer conduit and terminates above the bottom of the outer conduit so as to be in open communication with the space defined in the outer conduit. A mixture of two immiscible fluids is supplied to one of the conduits and the system is kept under sufficient pressure to maintain a defined fluid separation region within the one conduit such that the lower limit of the fluid separation region, below which occurs substantially only the heavier of the two immiscible fluids, is maintained above the lower end of the inner conduit. The maintained pressure is sufficient to supplement the weight of the lighter fluid to overcome the weight of the heavier fluid and force the heavier fluid to flow out through the other conduit.
REFERENCES:
patent: 1748141 (1930-02-01), Davitt et al.
patent: 2152863 (1939-04-01), Bills
patent: 3762548 (1973-10-01), McCabe
patent: 3862039 (1975-01-01), Summers
patent: 4230422 (1980-10-01), Brown et al.
patent: 4252649 (1981-02-01), Favret, Jr.
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