Method for the recovery of platinum from spent catalysts

Details Method for the recovery of platinum from spent catalysts Method for the recovery of platinum from spent catalysts

1976-12-17

1978-03-07

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75121, 423 22, 423489, C22B 1104

Patent

active

040778002

ABSTRACT:
An economical procedure for the recovery of platinum from a spent catalyst involves subjecting the catalyst to fluorination with elementary fluorine or a mixture thereof with hydrogen fluoride at a temperature ranging from 100.degree.-600.degree. C. The resultant platinum fluoride is then converted to platinum in elemental form.

REFERENCES:
patent: 2426558 (1947-08-01), Long et al.
patent: 3655363 (1972-04-01), Tsutsumi
patent: 3958985 (1976-05-01), Anderson
patent: 3969267 (1976-07-01), McVicker

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