Method of obtaining fresh water from seawater and device used th

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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204152, 204186, 210748, C02F 1463

Patent

active

054549167

ABSTRACT:
In a method for obtaining fresh water from seawater, the seawater is passed through a plurality of precipitation tanks arranged in series and moreover it is stored for a given period of time in each precipitation tank, during which a signal of low frequency, low voltage and low current is applied to a pair of titanium electrode plates provided in each precipitation tank, the frequency of the signal to be applied to the precipitation tanks being gradually decreased in the flowing direction of the seawater, so as to separate oxygen from molecules which constitute the seawater and remove by precipitation the seawater molecules that are increased in salinity and specific weight being deprived of the oxygen therefrom. As a result, it is possible to obtain highly nutritious fresh water from seawater by a simple device safely at low cost.

REFERENCES:
patent: 5124012 (1992-06-01), Berleyev
patent: 5348622 (1994-09-01), Deutsch et al.

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