Oxidation inhibition of steel wool in silver recovery

Details Oxidation inhibition of steel wool in silver recovery Oxidation inhibition of steel wool in silver recovery

1977-10-27

1978-08-29

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75118R, 75118P, C22B 1104

Patent

active

041101090

ABSTRACT:
The addition of certain materials which inhibit corrosion and hydrogen embrittlement of iron to silver-rich solutions or to steel wool which is used to desilver such solutions reduces hydrogen ion attack on the iron in the cementation of silver.

REFERENCES:
patent: 2221163 (1940-11-01), Barnes et al.
patent: 3094490 (1963-06-01), Gardner et al.
patent: 3194653 (1965-07-01), Keyes
patent: 3369801 (1968-02-01), Hartman
patent: 3490898 (1970-01-01), Venkatakrishnan et al.
patent: 4035181 (1977-07-01), Fisch

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