Desalination of ocean water

Details Desalination of ocean water Desalination of ocean water

2001-03-29

2008-10-14

Manoharan, Virginia (Department: 1797)

Distillation: processes, separatory

Water purification only

C159S048100, C159SDIG016, C159SDIG020, C202S160000, C202S205000, C202S236000, C203S011000, C203S012000, C203S014000, C203S002000, C203S090000, C203S092000, C203S095000

Reexamination Certificate

active

07435317

ABSTRACT:
An improved distillation of water. involves distilling significant quantities of water at temperatures well below the boiling point. During distillation, a compound is taken from a liquid-phase to a gas-phase and then condensed to the liquid-phase again to get a pure liquid. The present invention uses water sprayed (105) and absorbed onto a solid surface such as micro-powder (104) made from wood as a starting material. Absorbing water onto such a surface results in rapid evaporation with a relatively low temperature gradient when the water and particles are agitated. The present invention could be characterized as solid-phase distillation.

REFERENCES:
patent: 2764533 (1956-09-01), Wilhelm et al.
patent: 2929106 (1960-03-01), Snow
patent: 3290231 (1966-12-01), Ries, Jr. et al.
patent: 3946110 (1976-03-01), Hill
patent: 5183540 (1993-02-01), Rubin
patent: 5429247 (1995-07-01), Lemay et al.
patent: 5624530 (1997-04-01), Sadykhov et al.
patent: 2005/0255779 (2005-11-01), Mizutani et al.

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