Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1977-10-27
1978-11-14
Spear, Jr., Frank A.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210170, 210321R, 210433M, 210460, B01D 1300
Patent
active
041254635
ABSTRACT:
Reverse osmosis desalination apparatus may comprise: a casing member placed in a well hole drilled therefor and having near the surface thereof an inlet through which salt water may be introduced from a salt water source; a conductor member centrally disposed within the casing member leaving a first annular space therebetween; a tubular reservoir member centrally disposed within the conductor member leaving a second annular space therebetween; and a permeator assembly attached to the lower end of said conductor member and having osmotic membranes therein responsive to predetermined differential pressures thereacross for separating the salt water into saltfree water and concentrated salt water. The method includes the steps of: pumping salt water from the salt water source through the inlet into the first annular space for flow through the permeator assembly, he hydrostatic head of salt water in the first annular space being sufficient to produce the required predetermined differential pressure across the osmotic membranes; allowing the concentrated salt water, separated by the permeator assembly, to exit the well through the conductor member for disposal thereof; and removing the salt-free water, separated by the permeator assembly, from the well for use thereof.
REFERENCES:
patent: 609269 (1898-08-01), Etheridge
patent: 3156645 (1964-11-01), Chapin et al.
patent: 3456802 (1969-07-01), Cole
Grover, et al., "Operating Experience---Pilot Plant", from The Chemical Engineer, Jan., 1972, pp. 24-29.
Berryhill Bill B.
Spear, Jr. Frank A.
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