Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1980-03-17
1981-06-16
Carter, Herbert T.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
423 22, 75121, 252411R, 252413, C22B 1100, C01G 5500
Patent
active
042735785
ABSTRACT:
A method for recovering rhodium from a residue of the oxo synthesis or of a hydroformylation which comprises contracting said residue with sulfur and separating and converting the resultant rhodium-containing precipitate to rhodium or a rhodium compound in a manner known per se.
REFERENCES:
patent: 3218161 (1965-11-01), Kunda et al.
patent: 3887489 (1975-06-01), Fannin et al.
patent: 3978148 (1976-08-01), Citron
patent: 4131640 (1978-12-01), Kutepow et al.
patent: 4135911 (1979-01-01), Balmat
patent: 4188363 (1980-02-01), Fell et al.
Nesvadba Paul
Weigl Gisela
Carter Herbert T.
W. C. Heraeus GmbH
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