Electrolytic reduction of nitrate from solutions of alkali metal

Details Electrolytic reduction of nitrate from solutions of alkali metal Electrolytic reduction of nitrate from solutions of alkali metal

1986-02-28

1986-12-30

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204129, C25B 114

Patent

active

046327371

ABSTRACT:
Alkali metal hydroxide solutions containing substantial amounts of nitrate and nitrite which are contaminated by chromate are electrolytically converted to the corresponding hydroxides. The interference of the chromate with the normal electrolytic process is voided by adding bismuth ion to the solution and reversing the current direction at predetermined intervals.

REFERENCES:
patent: 3542657 (1970-11-01), Mindler et al.

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