Precious metals recovery process

Details Precious metals recovery process Precious metals recovery process

1980-02-12

1981-03-24

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75101BE, 75118R, 75118P, 75121, 210688, 423 22, 423 24, C22B 1104

Patent

active

042578078

ABSTRACT:
Platinum, palladium, rhodium, ruthenium, iridium and other metals are recovered from aqueous media containing precious metal ions in solution by contacting the metal-containing solution with blood meal to collect the metals in concentrated insoluble form in the blood meal, and recovering the thus collected metals from the resulting metals-loaded blood meal.

REFERENCES:
patent: 630951 (1899-08-01), Vanino
patent: 1472115 (1923-10-01), Clark
patent: 3255172 (1966-06-01), Krajewski et al.
patent: 3931002 (1976-01-01), Ottenheym et al.
patent: 3982932 (1976-09-01), Korosi
patent: 4013585 (1977-03-01), Terajima et al.

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