Method and plant for desalinating salt-containing water

Details Method and plant for desalinating salt-containing water Method and plant for desalinating salt-containing water

2003-11-26

2009-08-11

Manoharan, Virginia (Department: 1797)

Distillation: processes, separatory

Water purification only

C126S567000, C159S047300, C159S903000, C159SDIG032, C202S176000, C202S185300, C202S234000, C202S235000, C203S023000, C203S027000, C203SDIG010, C203SDIG016, C203SDIG017

Reexamination Certificate

active

07572352

ABSTRACT:
Salt-containing water is desalinated by first passing salt-containing water through a heat exchanger disposed in a basin containing solar-heated brine formed by several layers of water lying one above the other in the basin, each of the layers of water forming the brine having a higher salt content than the layer present there above. The heat exchanger is in the lowermost layer of water having a higher temperature than the temperature of the layers of water lying above the lowermost layer of water. The salt-containing water is heated in the basin by solar energy indirect heat exchange with the solar-heated brine to obtain heated salt-containing water. At least part of the heated salt-containing water is evaporated to obtain water vapor, and the water vapor is condensed to obtain desalinated water.

REFERENCES:
patent: 4135985 (1979-01-01), La Rocca
patent: 4328788 (1982-05-01), Wirguin
patent: 4478685 (1984-10-01), Mortenson
patent: 5582690 (1996-12-01), Weinberger et al.
patent: 6027607 (2000-02-01), Corniel
patent: 6165326 (2000-12-01), Markopulos
patent: 6494995 (2002-12-01), Battah
patent: 1022059 (2002-11-01), None
patent: 2016938 (1979-10-01), None

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