Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Patent
1985-05-03
1986-08-19
Dees, Carl F.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Cracking
502 65, 502 64, 502 68, C10G 1105, B01J 2908
Patent
active
046068139
ABSTRACT:
The present invention is directed to a fluid catalytic cracking catalyst comprising a blend of a catalytically active first component and a second component for reducing the emissions of oxides of sulfur from the regenerator of a catalytic cracking unit and the use of that catalyst to crack sulfur containing petroleum feedstocks. The catalytically active first component contains Y-faujasite zeolite and comprises about 10-70% by weight, preferably about 25-50% by weight, of the catalyst. The second component of the catalyst comprises about 30-90% by weight, preferably about 50-75% by weight, of the catalyst. The second component comprises fluidizable particles containing at least about 70% by weight, preferably at least about 90% by weight, alumina and having an equilibrium surface area in the range of about 40-100 m.sup.2 /g., preferably in the range of about 50-90 m.sup.2 /g.
REFERENCES:
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patent: 4243556 (1981-01-01), Blanton, Jr.
patent: 4252636 (1981-02-01), Mooi
patent: 4423019 (1983-12-01), Bertolacini et al.
patent: 4493902 (1985-01-01), Brown et al.
Byrne John W.
Speronello Barry K.
Dees Carl F.
Engelhard Corporation
Moselle Inez L.
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