Metal passivation/SOX control compositions for FCC

Details Metal passivation/SOX control compositions for FCC Metal passivation/SOX control compositions for FCC

1993-09-28

1995-04-18

Dees, Carl F.

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 65, 502303, 502521, B01J 2938, C01F 1700

Patent

active

054078784

ABSTRACT:
A composition comprising a coprecipitated magnesia-lanthana-alumina (MgO--La.sub.2 O.sub.3 --Al.sub.2 O.sub.3) wherein the MgO component is present as microcrystalline phase, having a BET (N.sub.2) surface area of at least 130 m.sup.2 /g, preferably part of which contains a catalytic oxidation and/or reducing promoter metal such as ceria, vanadia, iron and/or titania, is combined with an FCC catalyst which is used to catalytically crack a hydrocarbon feedstock that contains metal and/or sulfur.

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