Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1975-11-18
1977-01-11
Carter, Herbert T.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75121, 423 22, C22B 6100, C01G 5500
Patent
active
040024709
ABSTRACT:
From a ruthenium-containing substance, sparingly soluble in any of water, acid solutions and basic solutions, flaked off used metal electrodes comprising a substrate of a corrosion-resistant metal coated with ruthenium metal or a compound thereof, ruthenium is recovered in the form of metal or a compound thereof, soluble in such media as described hereabove, easily and with a high percent recovery by means of a combination of simple chemical procedures and also inexpensive chemicals and in a short period of time. The recovered ruthenium metal or compound thereof can be reused for recoating used metal electrodes and the like.
REFERENCES:
patent: 2860956 (1958-11-01), Arden et al.
patent: 3332771 (1967-07-01), Heidt
Wilson, "Nuclear Science Absts.," vol. 11, No. 20 supplement, p. 1289, Oct. 1957.
Isa Isao
Takahashi Tutomu
Carter Herbert T.
The Japan Carlit Co., Ltd.
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