Method for treating a hydrocarbon feedstock comprising a deasphalting step and an asphalt conditioning step
US10844291B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2017 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | May 30, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/44
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a process for treating a hydrocarbon-based feedstock, comprising a) a step of extracting the feedstock, b) a step of separating the fraction comprising de-asphalted oil, c) an optional step of injecting a withdrawal flux into the fraction comprising asphalt, d) an optional step of separating the fraction comprising asphalt and solvent or solvent mixture obtained from the extraction step a), e) an optional step of injecting a withdrawal flux into the asphalt fraction alone or as a mixture with a withdrawal flux obtained from step d) and an integrated step of conditioning the asphalt fraction obtained from steps a) and/or c) and/or d) and/or e), in solid form, performed in successive or simultaneous substeps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.