Process for the recovery of noble metals

Details Process for the recovery of noble metals Process for the recovery of noble metals

1974-07-11

1976-05-04

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 25, 75101R, 75121, 423 22, 23288B, C22B 1102

Patent

active

039544494

ABSTRACT:
A process for the recovery of noble metals emanating from the surface of catalysts used in high pressure gas reactions involving absorbing the noble metal dispersed in the reaction gas in an intercepting bed formed of acid-soluble metal oxides in which the external boundary surface of the intercepting bed is 1.5 to 20 times the cross-sectional area of the catalyst bed surface, the thickness of the intercepting bed, in the direction of gas flow through the material thereof, is 20 to 40 mm., and the flow of the reaction gases in the intercepting bed is in a direction parallel to the plane of the supporting base of the bed.

REFERENCES:
patent: 2226113 (1940-12-01), Chastain
patent: 2226149 (1940-12-01), Zimmermann
patent: 2920953 (1960-01-01), Rudorfer
patent: 3515541 (1970-06-01), Wimmer et al.
patent: 3627497 (1971-12-01), Klein et al.

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