Process for producing highly active denitrating catalysts

Details Process for producing highly active denitrating catalysts Process for producing highly active denitrating catalysts

1977-11-03

1980-06-03

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252464, 252472, 252470, 252477Q, 423239, B01J 2104, B01J 2374, B01J 2500, B01J 2702

Patent

active

042060818

ABSTRACT:
A highly active denitrating catalyst is produced by converting the surface layer of steel material to an aluminum alloy, treating the resulting steel material with an aluminum dissolving solution to dissolve out the aluminum and to render the surface layer porous, and immersing the steel material having the porous surface layer in a solution containing a vanadium compound to cause the porous surface layer to support the vanadium compound.

REFERENCES:
patent: 3712856 (1973-01-01), Betz
patent: 3939097 (1976-02-01), Takeoka et al.
patent: 4040981 (1977-08-01), Inaba et al.
patent: 4048112 (1977-09-01), Matsushita et al.

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