Method for producing hydroxylated nickel compounds

Details Method for producing hydroxylated nickel compounds Method for producing hydroxylated nickel compounds

1980-01-09

1981-05-05

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

C25B 100

Patent

active

042657180

ABSTRACT:
A method for the production of hydroxylated nickel compounds from a solution of nickelous ions. In the first stage, a solution of nickelous ions is electrolyzed while the catholyte is maintained at a pH from about 1 to 6 and at a temperature of less than about 50.degree. C. In the second stage, the precipitate obtained during the first stage is recovered. The method is applied to the production of highly pure nickel hydroxide.

REFERENCES:
patent: 3414494 (1968-12-01), Cuenot
patent: 3489664 (1970-01-01), Popat et al.
patent: 3779810 (1973-12-01), Kanetsuki et al.
patent: 4176021 (1979-11-01), O'Sullivan
"Production of Nickel Oxide from Ammoniacal Process Streams," by Illis et al., Canadian Mining and Metallurgical Bulletin, Mar. 1970, pp. 352-361.

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