Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1984-02-13
1985-09-03
Niebling, John F.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204301, B01D 1302
Patent
active
045390886
ABSTRACT:
An electrodialysis desalination process for seawater comprising the steps of collecting seawater and heating same by solar heat; subjecting seawater thus heated to electrodialysis; and separating same into two portions of a diluted solution and a concentrated brine, is provided, as well as the same system comprising a preheater utilizing solar heat for preheating seawater, an electrodialyser for separating seawater thus preheated by said preheater into said two portions, and means for supplying seawater to the preheater and then from the preheater to the electrodialyser. Various modifications of the above process and system are disclosed. According to the present inventions, electric power consumption in the electrodialysis is saved and solar heat is utilized effectively.
REFERENCES:
patent: 3075908 (1963-01-01), Kollsman
patent: 4093527 (1978-06-01), Tanno et al.
patent: 4141825 (1979-02-01), Conger
Kirkham, Thomas A., "Engineering for Pure Water Part 3: Electrodialysis", Mechanical Engineering, McGraw-Hill, 3/78, pp. 47-52.
Stamberger, Paul, "Electrodialysis", Kirk-Othmer, Encyclopedia of Chemical Technology, 3rd Edition, 1979, vol. 8, pp. 726-737.
Kaneda Hiroshi
Nomura Mitugu
Sano Fumihiko
Shibata Kenji
Babcock-Hitachi, Ltd.
Beall Mary Louise
Boggs Jr. B. J.
Niebling John F.
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