Process for manufacturing palladium ternary catalyst

Details Process for manufacturing palladium ternary catalyst Process for manufacturing palladium ternary catalyst

1997-11-14

2000-03-28

Niebling, John F.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502303, 502304, 502325, 502328, 502339, B01J 2344, B01J 2310

Patent

active

060431881

ABSTRACT:
A process for manufacturing a palladium ternary catalyst and more particularly, to an improved process for manufacturing a palladium ternary catalyst fabricated by reducing a palladium solution impregnated with or containing alumina, adding a mixing solution consisting of barium oxide, etc., adjusting its pH for further reaction, milling the mixture, coating catalyst material to ceramic monolith substrate, drying and calcining the catalyst material. As a result, a ternary catalyst of this invention containing single layer palladium only can effectively purify the harmful substances derived from automobile exhaust gas, together with cost-saving effects, compared to the conventional ternary catalyst consisting of platinum, rhodium and palladium.

REFERENCES:
patent: 4134860 (1970-01-01), Hindin et al.
patent: 5413984 (1995-05-01), Marecot et al.

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