Method and apparatus for generating power utilizing pressure-ret

Details Method and apparatus for generating power utilizing pressure-ret Method and apparatus for generating power utilizing pressure-ret

1978-02-15

1980-03-18

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60673, 290 1R, F01K 2506

Patent

active

041932676

ABSTRACT:
A method and apparatus are described for generating power utilizing press-retarded osmosis, in which a concentrated solution at a high hydraulic pressure is passed along one face of a semi-permeable membrane, and a dilute solution at a low hydraulic pressure is passed along the opposite face of the membrane to effect, by pressure-retarded-osmosis, the passage of at least a part of the dilute solution through the membrane forming a pressurized mixed solution. The potential energy stored in the pressurized mixed solution is converted to useful energy by depressurizing and repressurizing only the dilute solution.

REFERENCES:
patent: 3587227 (1971-06-01), Weingarten
patent: 3906250 (1975-09-01), Loeb
patent: 3978344 (1976-08-01), Jellinek

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