Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Patent
1979-11-05
1980-12-23
Gantz, Delbert E.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Cracking
208164, 252411S, 252417, 423244, C10G 1105, C10G 1118
Patent
active
042408997
ABSTRACT:
An improved catalyst, and process utilizing said catalyst for catalytically cracking a sulfur-containing hydrocarbon feed, and for the fixation of sulfur by the catalyst and transfer thereof from the catalyst regeneration zone to the reaction zone of a catalytic cracking unit. The catalyst comprises an admixture of composite particles, one present in major concentration for providing principally cracking and combustion promoting functions, and the other present in minor concentration for providing principally sulfur fixation and transfer functions. The particle present in major concentration, on the one hand, is constituted essentially of one of more Group VIII noble metals, preferably platinum, composited with a support comprised of a crystalline alumino silicate component distributed in an active cracking catalyst matrix, suitably one constituted of silica-alumina. The minor component particle, on the other hand, is comprised of one or more Group II-A metals, preferably magnesium, composited with a support, suitably silica-magnesia or silica-alumina, which may also contain a crystalline aluminosilicate zeolite component dispersed within the silica-magnesia or silica-alumina support matrix.
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Gladrow Elroy M.
Reid Terry A.
Schuette William L.
Exxon Research & Engineering Co.
Gantz Delbert E.
Proctor Llewellyn A.
Schmitkons G. E.
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