Feed hydrotreating for improved thermal cracking
US4181601A · kind A · utility
42Cited by
7References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 7, 1978 |
| Grant date | Jan 1, 1980 |
| Priority date | — |
| Expiry date | Apr 7, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A pyrolysis feedstock, such as a gas oil feed, is hydrotreated in the presence of a bimetallic catalyst which has been promoted by the addition of chlorine and/or fluorine, preferably chlorine, followed by thermal cracking to increase the yields of light olefins and BTX.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.