Combination slurry hydroconversion plus solvent deasphalting process for heavy oil upgrading wherein slurry catalyst is derived from solvent deasphalted rock
US6511937B1 · kind B1 · utility
24Cited by
16References
15Claims
0Family size
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Key dates
| Filing date | Oct 3, 2000 |
| Grant date | Jan 28, 2003 |
| Priority date | — |
| Expiry date | Jan 5, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G67/0454
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention described herein is directed to (a) slurry hydroprocessing (SHP) of a feed under SHP conditions; (b) deasphalting, under deasphalting conditions the product obtained from said step (a) and recovering a solvent deasphalted oil and solvent deasphalted rock; (c) calcining said solvent deasphalted rock at a temperature of ≦about 1200° F. to produce an ash catalyst precursor; (d) recycling said ash catalyst precursor to said step (a).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.