Hydrocarbon pyrolysis process
Abstract
Abstract D R A W I N G IMPROVED PROCESS FOR CRACKING A HYDROCARBON FEED IN A PYROLYSIS FURNACE WHEREIN THE SENSIBLE HEAT OF THE EFFLUENT IS EMPLOYED TO FRACTIONATE A FUEL OIL INTO A DISTILLATE AND RESIDUAL FRACTION. A FUEL OIL IS ADDED TO THE PYROLYSIS EFFLUENT ALONG WITH RECOVERED QUENCH OIL, TO EFFECT QUENCHING THEREOF AND THE MIXTURE INTRODUCED INTO A GASOLINE FRACTIONATOR TO RECOVER A DISTILLATE SIDESTREAM, THE DISTILLATE SIDESTREAM, CONTAINING DISTILLATE FRACTIONS FROM BOTH THE EFFLUENT AND RESIDUAL FUEL, MAY BE EMPLOYED TO MEET FUEL REQUIREMENTS FOR THE PYROLYSIS FURNACE. IN ADDITION, THE RESIDUAL RECOVERED AS FRACTIONATOR BOTTOMS IS EMPLOYED TO PROVIDE QUENCH OIL AND MEET OTHER FUEL REQUIREMENTS FOR THE PYROLYSIS PLANT OR AN EXTRANEOUS OPERATION.
Inventors
- 👤 Irvin H Lutz
Bibliographic Details
Claims Analysis
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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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |