Multistage stripper for FCC unit with catalyst separation by spinning
US4572780A · kind A · utility
33Cited by
13References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1984 |
| Grant date | Feb 25, 1986 |
| Priority date | — |
| Expiry date | Oct 22, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J8/0055
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a method and apparatus for fluid catalytic cracking (FCC) of a hydrocarbon feed in an open or closed system, which includes a multistage stripper system. The multistage stripper system comprises a means for spinning a gasiform mixture of catalyst and cracked hydrocarbons exiting from a riser, a first means for stripping the spun gasiform mixture, and a means for deflecting the gasiform mixture to separate catalyst from the cracked hydrocarbons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.