Chemistry: electrical and wave energy – Processes and products
Patent
1982-01-04
1983-06-21
Williams, Howard S.
Chemistry: electrical and wave energy
Processes and products
204129, 204232, 204237, 204245, 204247, 204DIG4, C25B 1508, C25C 302
Patent
active
043892876
ABSTRACT:
In an electrolysis cell, molten alkali hydroxide is decomposed into products which include alkali metal and water. The water dissolves in the electrolyte where it is decomposed by electrolysis or by reaction with alkali metal thereby reducing efficiency of the cell and yield of the alkali metal.
According to the process of the invention, the electrolyte with water dissolved therein is drawn through openings in an anode, is depleted of the dissolved water by a dehydrating means which is separate from the cell, and the dehydrated electrolyte is returned to an anolyte portion of the operating electrolysis cell for further decomposition.
According to the apparatus of the invention, the anode comprises a plurality of parallel elongated electrodes which alternate with parallel channels. The electrolyte flows from a return channel, over an electrode, and through a withdrawal channel for the depletion of water and return to operating portions of the electrolysis cell through the return channels.
REFERENCES:
patent: 2667454 (1954-01-01), Roller
patent: 3763005 (1973-10-01), Butre et al.
Skala Stephen F.
Williams Howard S.
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