Process for and apparatus for catalytic cracking in two successive reaction zones
US5498326A · kind A · utility
6Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1993 |
| Grant date | Mar 12, 1996 |
| Priority date | — |
| Expiry date | May 7, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G11/18
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for catalytic cracking and the associated apparatus in which the cracking reaction takes place in two substantially vertical and successive reaction zones, the loads being introduced into the first zone where it circulates from the top downwards, then at least a part of the product obtained is introduced into a second reaction zone in which it circulates in an ascending fashion. A supplementary hydrocarbonated phase is advantageously introduced into the product entering the second zone. The invention applies particularly to heavy loads, with a U-shaped apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.