Fluid cracking process and the method for separating a suspension discharged from a riser cracking zone
US4219407A · kind A · utility
56Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 1978 |
| Grant date | Aug 26, 1980 |
| Priority date | — |
| Expiry date | Jan 20, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J8/0065
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A riser cracking-catalyst regeneration operation is described wherein a suspension discharged from a riser operation is separated by catalyst particle concentrating means which discharge a concentrated stream of catalyst separated from gasiform material into a downcomer zone and out of further contact with discharged gasiform material in the suspension. A stripping gas is used to particularly aid the separation of catalyst and hydrocarbon vapors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.