Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1991-02-04
1993-07-20
Spear, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210170, B01D 6108
Patent
active
052290050
ABSTRACT:
A process for the desalination of sea water by lowering from a floating platform (11) sets of vessels (66), which are constructed or laminated in part with reverse osmosis elements (65) or (64), into the ocean depth to extract fresh water. Thereafter, the fresh water filled vessel (66) is to be lifted individually from the ocean depth by means of a mechanical lifting system (33) to a predetermined elevation above the sea surface to facilitate the delivery of the extracted fresh water to a coastal water transportation system via a valve (44) at the bottom of the vessel (66) which is also connected to a water delivery pipeline (55).
REFERENCES:
patent: 3156645 (1964-11-01), Chapin et al.
patent: 3171808 (1965-03-01), Topp
Fok Yu-Si
Gupta Sushil K.
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