Process for deasphalting a hydrocarbon charge containing asphaltenes
US4715946A · kind A · utility
12Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1986 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Apr 4, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G21/003
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Process for deasphalting a hydrocarbon charge by means of a deasphalting solvent. The charge (1) is introduced, at 100.degree.-200.degree. C., in admixture with a deasphalting solvent (3and 4), into a settler (7). The deasphalted oil (24) is separated from the solvent (23). Asphalt (9) is washed in a column and then separated from the washing liquid (21).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.