Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – Clay
Patent
1984-02-06
1986-08-26
Metz, Andrew H.
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
Clay
423247, 208113, B01J 2016, C01B 3120
Patent
active
046083570
ABSTRACT:
The present invention provides novel catalyst products for promoting the combustion of carbon monoxide, particularly in catalytic cracking units, especially FCC units. The improved products of the invention comprise one or more catalytically active metals selected from the group consisting of palladium or mixtures of palladium and at least one other precious metal on a porous silica-alumina support obtained by leaching sufficient silica from shaped particles of calcined clay with caustic solution to impart porosity to the particles. The calcined clay from which silica is leached to impart porosity is preferably kaolin clay that has been calcined at a temperature and for a time sufficient to substantially convert the clay into mullite and silica, whereby the support particles consist essentially of mullite crystals.
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Silverman Lance D.
Speronello Barry K.
Chaudhuri O.
Engelhard Corporation
Metz Andrew H.
Moselle Inez L.
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