Over alkylation and catalytic cracking for benzene conversion
US5380425A · kind A · utility
4Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1993 |
| Grant date | Jan 10, 1995 |
| Priority date | — |
| Expiry date | Aug 31, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G57/005
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for producing a low benzene content gasoline is disclosed. Catalytic reforming produces a benzene rich reformate which is fractionated to yield a benzene rich C6 fraction which is then over-alkylated, preferably with C2/C3 olefins from an FCC, to produce heavy alkylate having too high an end point for use as gasoline. Heavy alkylate is charged to an FCC reactor, along with a conventional heavy FCC feed, and converted back into a gasoline boiling range product. Heavy alkylate also produces reactive alkyl fragments in the cracking reactor which react with benzene produced during cracking of FCC heavy feed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.