Method for desalination and fresh water recovery

Details Method for desalination and fresh water recovery Method for desalination and fresh water recovery

1991-05-23

1993-05-04

Theisen, Mary Lynn

Liquid purification or separation

Processes

Separating

159 481, 203 90, 203DIG17, 210808, B01D 116

Patent

active

052079287

ABSTRACT:
A method of saltwater desalination and fresh water recovery comprises spraying a mixture of saltwater droplets substantially in the range of 7 to 30 microns in diameter and compressed air with a mass flow ratio of about one part compressed air to 10 parts saltwater droplets, without heating the droplets, into a chamber at a velocity of at least 200 meters per second to progressively vaporize the saltwater droplets for effectuating precipitation of dissolved impurities and salts from the vaporizing saltwater droplets and accumulation of a fresh water droplet suspension within the chamber and evacuating the accumulated fresh water droplet suspension out of the chamber at a rate controlled by a blower to maintain the fresh water droplets in suspension and washing fresh water droplets from the evacuated freshwater droplets suspension and collecting the fresh water.

REFERENCES:
patent: 3871180 (1975-03-01), Swanson
patent: 3948734 (1976-04-01), Kohl et al.
patent: 4159227 (1979-06-01), Sundquist
patent: 4292121 (1981-09-01), Caffes
patent: 4323424 (1982-04-01), Secunda et al.

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