FLUID CATALYTIC CRACKING PROCESS
This invention provides a process for fluid catalytic cracking of a feedstock, which process comprises contacting a fluid catalytic cracking catalyst composition with a feedstock comprising an oxygenated feed and optionally a hydrocarbon feed, wherein the oxygenated feed comprises at least one oxygenated compound containing at least carbon, hydrogen, and oxygen.
1 . A process for fluid catalytic cracking of a feedstock, which process comprises contacting a fluid catalytic cracking catalyst composition with a feedstock comprising an oxygenated feed and optionally a hydrocarbon feed, wherein the oxygenated feed comprises at least one oxygenated compound containing at least carbon, hydrogen, and oxygen, and wherein the fluid catalytic cracking catalyst composition comprises:
a) one or more Y-type zeolites, one or more ZSM-5 zeolites, a rare earth component, and alumina comprising boehmite and/or pseudoboehmite, or
b) one or more Y-type zeolites, a rare earth component, and alumina comprising boehmite and/or pseudoboehmite.
2 . (canceled)
3 . A process as in claim 1 wherein in a):
the Y-type zeolite is in an amount of about 0.5 wt % or more;
the ZSM-5 zeolite is in an amount of about 1 wt % or more; and/or
the rare earth component is in an amount of about 0.25 wt % or more as its rare earth oxide(s),
wherein the amounts are relative to the total weight of the catalyst composition.
4 . (canceled)
5 . A process as in claim 1 wherein in b):
the Y-type zeolite is in an amount of about 5 wt % or more; and/or
the rare earth component is in an amount of about 0.25 wt % or more as its rare earth oxide(s),
wherein the amounts are relative to the total weight of the catalyst composition.
6 . (canceled)
7 . A process as in claim 1 wherein the alumina is boehmite and/or pseudoboehmite, and wherein the alumina is in an amount of 0.1 to 50 wt % relative to the total weight of the catalyst composition.
8 . A process as in claim 1 wherein the zeolites and alumina are in a combined amount of about 25 wt % or more relative to the total weight of the catalyst composition.
9 . (canceled)
10 . (canceled)
11 . (canceled)
12 . A process as in claim 1 wherein the oxygenated feed is comprised of one oxygenated compound that has an oxygen content of about 5 wt % or more.
13 . (canceled)
14 . A process as in claim 1 wherein the oxygenated compound is soybean oil.
15 . A process as in claim 1 wherein the feedstock includes a hydrocarbon feed, and wherein the oxygenated feed is about 0.5 wt % or more of the feedstock.
16 . (canceled)
17 . A fluid catalytic cracking catalyst composition which comprises
a) one or more Y-type zeolites, one or more ZSM-5 zeolites, a rare earth component, and alumina comprising boehmite and/or pseudoboehmite, or
b) one or more Y-type zeolites, a rare earth component, and alumina comprising boehmite and/or pseudoboehmite.
18 . A composition as in claim 17 wherein the Y-type zeolite is Y zeolite or ultrastable Y zeolite.
19 . A composition as in claim 17 wherein in a):
the Y-type zeolite is in an amount of about 0.5 wt % or more;
the ZSM-5 zeolite is in an amount of about 1 wt % or more; and/or
the rare earth component is in an amount of about 0.25 wt % or more as its rare earth oxide(s),
wherein the amounts are relative to the total weight of the catalyst composition.
20 . A composition as in claim 17 wherein in a), the zeolites are in a weight ratio of Y-type zeolite to ZSM-5 zeolite of about 0.25:1 or more.
21 . A composition as in claim 17 wherein in b):
the Y-type zeolite is in an amount of about 5 wt % or more; and/or
the rare earth component is in an amount of about 0.25 wt % or more as its rare earth oxide(s),
wherein the amounts are relative to the total weight of the catalyst composition.
22 . A composition as in claim 17 wherein the rare earth component comprises yttrium, lanthanum, cerium, and/or praseodymium.
23 . A composition as in claim 17 wherein the alumina is boehmite or boehmite and pseudoboehmite, and/or wherein the alumina is in an amount of 0.1 to 50 wt % relative to the total weight of the catalyst composition.
24 . A composition as in claim 17 wherein the zeolites and alumina are in a combined amount of about 25 wt % or more relative to the total weight of the catalyst composition.
25 . A composition as in claim 17 wherein silica is present, and wherein the silica is in an amount of about 0.1 wt % to about 20 wt % relative to the total weight of the catalyst composition.
26 . A composition as in claim 17 wherein a clay is present, and wherein the clay is in an amount of about 0.1 wt % to about 75 wt % relative to the total weight of the catalyst composition.
27 . A composition as in claim 17 wherein a phosphorus component is present, and wherein the phosphorus component is in an amount of about 0.1 wt % or more as phosphorus pentoxide relative to the total weight of the catalyst composition.