Heavy oil hydrogen treating process
Abstract
Abstract A PROCESS FOR ACHIEVING A HIGH CONVERSION OF RESIDUAL HEAVY OIL FEEDSTOCK IS DISCLOSED. THE PROCESS COMPRISES WITHDRAWING LIQUID EFFLUENT CONTAINING UNCONVERTED RESIDUAL OIL INCLUDING THERMALLY DEGRADED MATERIAL FROM AN EBULLATED CATALYST BED REACTOR OPERATING AT A TEMPERATURE BETWEEN 1500 P.S.I.G. AND 400 P.S.I.G., MIXING THE UNCONVERTED RESIDUAL OIL WITH A NAPHTHA STREAM CONDENSED FROM REACTOR VAPOR EFFUENT, SEPARATING THE MIXTURE INTO AN EXTRACT CONTAINING UNCONVERTED RESIDUAL OIL MISCIBLE IN THE NAPHTHA AND A RAFFINATED CONTAINING THE THERMALLY DEGRADED MATERIAL AND RECYCLING THE EXTRACT TO THE REACTOR IN ORDER TO INCREASE THE AMOUNT OF AVAILABLE UNCONVERTED RESIDUAL OIL IN THE LIQUID PHASE IN THE REACTOR.
Inventors
- 👤 William R Mounce
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |