Alumina coating for solid carriers for catalysts

Details Alumina coating for solid carriers for catalysts Alumina coating for solid carriers for catalysts

1974-09-30

1976-05-11

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252457, 252462, B01J 2900, B01J 2906, B01J 2310

Patent

active

039561860

ABSTRACT:
A solid carrier for catalytic material is coated with a slurry composed of alumina hydrate (Al.sub.2 O.sub.3.nH.sub. 2 O) dried at 250.degree..about.350.degree.C, colloidal silica and water. Said carrier, after drying, is immersed in an aqueous solution of aluminum nitrate (Al(NO.sub.3).sub.3) containing a nitrate of barium, lanthanum or another rare earth element and then dried and fired.

REFERENCES:
patent: 2941960 (1960-06-01), Hindin et al.
patent: 3146210 (1964-08-01), Baldwin
patent: 3524721 (1970-08-01), Stephens
patent: 3743709 (1973-07-01), Shaw et al.

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