Chemistry: electrical and wave energy – Processes and products
Patent
1976-01-09
1977-07-12
Mack, John H.
Chemistry: electrical and wave energy
Processes and products
204225, 204228, C25B 140
Patent
active
040352684
ABSTRACT:
Methods for control and protection of anode assemblies in mercury cathode cells for the electrolysis of alkali metal and alkaline earth metal chlorides so as to provide commands or an alarm when the load on an anode assembly exceeds a predetermined level so that the anode assembly or assemblies can be raised, the determination being made by comparing the difference between the load for each assembly and the mean of all assemblies with a predetermined upper level, and also desirably comparing the difference with a preselected lower level and determining the electrolysis voltage and comparing it with a desired lower electrolysis voltage to provide a command for lowering the anode assembly or assemblies involved, generally with a delay in the lowering command and with the raising of the anode assemblies taking precedence over the lowering thereof.
REFERENCES:
patent: 3723285 (1973-03-01), Daga et al.
patent: 3817846 (1974-06-01), Gebauer et al.
patent: 3844913 (1974-10-01), Warren
patent: 3853723 (1974-12-01), Mack
patent: 3900373 (1975-08-01), Ralston, Jr.
patent: 3926750 (1975-12-01), Adachi et al.
patent: 3983025 (1976-09-01), Ralston, Jr.
Mack John H.
Produits Chimiques Ugine Kuhlmann
Weisstuch Aaron
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