Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1988-05-06
1990-04-24
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
B01J 2106, B01J 2342, B01J 2344, B01J 2389
Patent
active
049200887
ABSTRACT:
A composition of matter comprising titania and Pt and/or Pd is prepared by a process comprising one step of heating Pt and/or Pd/impregnated titania with a reducing gas, in particular free hydrogen, at a temperature of about 300.degree.-800.degree. C. Another composition of matter comprising titania and Pt and/or Pd is prepared by a process comprising the steps of coating a porous ceramic material (preferably a monolith) with colloidal TiO.sub.2, drying, impregantion with Pt and/or Pd, drying/calcining, and reducing with a reducing gas, in particular free hydrogen, at a temperature of about 0.degree.-300.degree. C. Both compositions of matter are used as a catalyst in a process for oxidizing CO to CO.sub.2, e.g., in a CO.sub.2 laser.
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Brandes K. K.
Phillips Petroleum Company
Shine W. J.
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