Process of preparing catalytic brass

Details Process of preparing catalytic brass Process of preparing catalytic brass

1983-03-28

1990-01-30

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502342, 518713, B01J 2104, B01J 2306, B01J 2372

Patent

active

048973750

ABSTRACT:
Self-supporting web of brass or similar cupreous metal is catalytically activated by diffusing aluminum into its surface at low temperatures and then leaching out some of that aluminum with dilute mineral acid, preferably HNO.sub.3, or ammonium persulfate. Resulting catalyst is very effective for reaction of CO with H.sub.2 to make methanol, and web provides very good thermal conductivity for improved temperature control. Activation can be confined to one face of web. Other self-supporting catalysts can be made similarly.

REFERENCES:
patent: 3939097 (1976-02-01), Takeoka et al.
patent: 4043945 (1977-08-01), Fukui et al.
patent: 4154705 (1979-05-01), Baldi et al.
patent: 4349464 (1982-09-01), Wainwright et al.

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