H2s modified cracking of naphtha
Abstract
Abstract IN A PROCESS FOR CRACKING A PETROLEUM DERIVED NAPHTHA HAVING A BOLING RANGE OF 90 TO 400*F. AND A SPECIFIC GRAVITY OF 0.65 TO 0.78 TO ALKENES AND ALKANES; THE INSTANT INVENTION RELATES TO AN IMPROVEMENT COMPRISING ADMIXING ABOUT 1.0 TO 35 PARTS BY WEIGHT OF H2S (OR AN AMOUNT OF A COMPOUND WHICH YIELDS AN SH RADICAL IN HE CRACKING ENVIRONMENT SUFFICIENT TO YIELD THAT AMOUNT OF H2S) PER 100 PARTS BY WEIGHT OF ALKANE AND H2S (OR A PRECURSOR THEREOF) IN THE MIXTURE CONSISTING ESSENTIALLY OF H2S (OR THE PRECURSOR THERETO) AND THE NAPHTHA TO BE CRACKED, AND THEN PASSING THE RESULING MIXTURE THROUGH A REACTOR MAINTAINED AT A TEMPERATURE O ABOUT 1100* F. TO ABOUT 2000*F. WITH A RESIDENCE TIME OF ABOUT 0.25 TO ABOUT 2.0 SECONDS AND A PRESSURE OF ABOUT 0 TO ABOUT 65 P.S.I.G. STEAM IS ALSO EMPLOYED.
Inventors
- 👤 D Porchey
- 👤 D Royer
Bibliographic Details
Claims Analysis
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| 3.5 Years (Year 4) | 1977-04-08 | 1977-10-08 | 1978-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-08 | 1981-10-08 | 1982-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-08 | 1985-10-08 | 1986-04-09 | $7700.00 | Window Closed / Lapsed |