Refining of heavy slurry oil fractions
US5080777A · kind A · utility
24Cited by
17References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1990 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Apr 30, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G69/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
For upgrading heavy slurry oil containing catalyst fines from a catalytic cracking operation, the viscosity of the slurry oil is lowered in a hydrovisbreaking process step. In a preferred embodiment an admixture of the fines containing slurry oil and a metal containing resid oil fraction, resulting from a crude distillation, is passed through the hydrovisbreaker. The hydrovisbreaker effluent is separated into higher and lower boiling fractions with the lower boiling fraction preferably passed through a cracking unit so as to covert the lower boiling fraction to lower molecular weight hydrocarbon products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.