Method of recovering platinum group metal values from a used was

Details Method of recovering platinum group metal values from a used was Method of recovering platinum group metal values from a used was

1974-09-06

1978-02-21

Stern, Edward

Solid material comminution or disintegration

Processes

With classifying or separating of material

423 1, 423 22, 209 3, 209133, 209155, 75 5R, B07B 400, C01G 5500, C22B 1100, B02C 2308

Patent

active

040748650

ABSTRACT:
This invention relates to the recovery of metallic values from materials such as catalysts containing or supporting the values. The method comprises removing a layer or layers and a catalyst support including a quantity of the metallic value and thereafter chemically or otherwise separating the value therefrom.

REFERENCES:
patent: 1331904 (1920-02-01), Elder
patent: 1458016 (1923-06-01), Wigton et al.
patent: 2226149 (1940-12-01), Zimmermann
patent: 2805941 (1957-09-01), Tucker
patent: 2830877 (1958-04-01), Appell
patent: 2863760 (1958-12-01), Ashley et al.
patent: 2906465 (1959-09-01), Sweet
patent: 2920953 (1960-01-01), Rudorfer
patent: 3469971 (1969-09-01), Leopard
patent: 3525606 (1970-08-01), Bodine
patent: 3951648 (1976-04-01), Stern et al.

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