Multiple riser fluidized catalytic cracking process utilizing hy

Details Multiple riser fluidized catalytic cracking process utilizing hy Multiple riser fluidized catalytic cracking process utilizing hy

1986-09-03

1988-01-05

Metz, Andrew H.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208120, 208 74, C10G 1118, C10G 3702

Patent

active

047174668

ABSTRACT:
The fluidized catalytic cracking process described herein is undertaken in a first and a second riser reaction zone in which a variety of hydrocarbon conversion reactions take place, at least one stripping zone in which entrained hydrocarbon material is removed from catalyst and at least one hydrothermal catalyst regeneration zone in which spent cracking catalyst is regenerated. The process comprises: (a) converting a hydrogen-deficient first heavy hydrocarbon feed in the first riser reaction zone in the presence of at least the first catalyst component of a mixed catalyst composition comprising as said first catalyst component, an amorphous cracking catalyst and/or a large pore crystalline cracking catalyst to provide gasoline boiling range material and one or more light hydrocarbons; (b) converting a hydrogen-rich hydrocarbon feed in a lower region of the second riser reaction zone in the presence of a second catalyst composition to provide gasiform material contributing mobile hydrogen species and/or carbon-hydrogen fragments for combination with a thermally treated, relatively hydrogen-deficient second heavy hydrogen feed introduced to an upper region of the second riser reaction zone; and (c) converting the gasiform material and thermally treated, relatively hydrogen-deficient second heavy hydrocarbon feed in an upper region of the second riser reaction zone in the presence of the mixed catalyst composition to provide a gasoline product of increased octane number.

REFERENCES:
patent: 3617497 (1971-11-01), Bryson et al.
patent: 3748251 (1973-07-01), Demmel et al.
patent: 3758403 (1973-09-01), Rosinski
patent: 3849291 (1974-11-01), Owen
patent: 3894931 (1975-07-01), Nace et al.
patent: 3894932 (1975-07-01), Owen
patent: 3894933 (1975-07-01), Owen et al.
patent: 3894934 (1975-07-01), Owen et al.
patent: 3894935 (1975-07-01), Owen
patent: 3926778 (1975-12-01), Owen et al.
patent: 3928172 (1975-12-01), Davis, Jr. et al.
patent: 3974062 (1976-08-01), Owen et al.
patent: 4035285 (1977-07-01), Owen et al.
patent: 4116814 (1978-09-01), Zahner
patent: 4287088 (1981-09-01), Sirkar
patent: 4309279 (1982-01-01), Chester et al.
patent: 4368114 (1983-01-01), Chester et al.
patent: 4422925 (1983-12-01), Williams et al.
patent: 4436613 (1984-03-01), Sayles et al.
patent: 4490241 (1984-12-01), Chou

Affiliated with

Also associated with

Rating

Multiple riser fluidized catalytic cracking process utilizing hy does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multiple riser fluidized catalytic cracking process utilizing hy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multiple riser fluidized catalytic cracking process utilizing hy will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-7535