Distillation: processes – separatory – Water purification only
Patent
1977-01-31
1978-03-14
Hart, Charles N.
Distillation: processes, separatory
Water purification only
203 49, 203DIG1, 203DIG20, 202185R, 202234, 126271, 60641, 60648, 60677, B01D 300, B01D 306
Patent
active
040789764
ABSTRACT:
A process for recovering potable water from a source of salinous water -- e.g. sea and/or ocean water. Certain modifications afford the simultaneous generation of power. A portion of salinous water and an air stream are introduced into a solar radiation heat sink, with the air stream flowing over the salinous water. Heated, water-containing air is withdrawn from the heat sink and reduced in temperature to condense potable water. The heated salinous water, from the heat sink, is at least in part recycled thereto, while the remainder is introduced into a plurality of flash separation zones, each succeeding one of which is maintained at a lower subatmospheric pressure than the preceding, and through which the liquid phase passes in series. In order to afford a 24-hour continuous process, the hourly rate of heated salinous water withdrawal, including evaporated water, is less than the rate of salinous water introduction to the heat sink. The resulting vaporous phases are passed through separate turbines, or through different stages of a multiple-stage turbine, from the resulting motion of which energy is recovered -- e.g. power is generated. The exiting turbine vapors are cooled and/or condensed via indirect contact with a second portion of salinous water to recover additional potable water. To effect the reduction in temperature, the heated, water-containing air stream may be employed to vaporize a hydrocarbon which passes through a turbine for the purpose of producing energy. Salinous water returned to the original source thereof is at a temperature not more than 15.degree. F. greater than the coldest salinous water obtained from the source. Where available, it is preferred that the temperature of the second salinous water portion be at least about 5.degree. F. (2.8.degree. C.) to about 15.degree. F. (8.4.degree. C.) lower than that of the salinous water portion introduced into the heat sink.
REFERENCES:
patent: 2636129 (1953-04-01), Agnew
patent: 2969637 (1961-01-01), Rowekamp
patent: 3257291 (1966-06-01), Gerber
patent: 3329583 (1967-07-01), Othmer
patent: 3345272 (1967-10-01), Collins
patent: 3862545 (1975-01-01), Ellis et al.
patent: 3893299 (1975-07-01), Hutchinson
patent: 3908381 (1975-09-01), Barber et al.
patent: 3928145 (1975-12-01), Othmer
Erickson Robert W.
Hart Charles N.
Hoatson Jr. James R.
Page II William H.
Therkorn Ernest G.
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