Residue hydrodesulfurization process with catalysts whose pores have a large orifice size
Abstract
Abstract A PROCESS FOR THE HYDRODESULFURIZATION OF A CRUDE OIL OR A REDUCED CRUDE OIL CONTAINING THE ASPHALTENE FRACTION OF THE OIL COMPRISING PASSING SAID OIL AND HYDROGEN OVER A CATALYST COMPRISING SUPPORTED GROUP VI AND GROUP VIII METALS FOR A TOTAL THROUGHPUT OF AT LEAST 34 BARRELS OF OIL PER POUND OF CATALYST. THE PORE RADIUS OF THE CATALYST A WHICH ONE-HALF OF THE TOTAL PORE VOLUME IF FILLED WITH LIQUID NITROGEN IN A LIQUID NITROGEN DESORPTION ISOTHERM MEASUREMENT IS BETWEEN 58 AND 80 A. THE PORE RADIUS OF THE CATALYST AT WHICH ONE-HALF OF THE TOTAL PORE VOLUME ID FILLED WITH LIQUID NITROGEN IN THE PRECEDING ADSORPTION PORTION OF THE SAME ISOTHERM MEASUREMENT SI AT LEAST 15 A. HIGHER THAN SAID DESORPTION MEASUREMENT BUT NOT HIGHER THAN 114.6A.
Inventors
- 👤 R Christman
- 👤 G Wilson
- 👤 G Elliott
- 👤 J Mckinney
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |