| US 7,575,668 B1 | ||
| Conversion of kerosene to produce naphtha and isobutane | ||
| Douglas A. Nafis, Mount Prospect, Ill. (US) | ||
| Assigned to UOP LLC, Des Plaines, Ill. (US) | ||
| Filed on Oct. 06, 2004, as Appl. No. 10/959,469. | ||
| Int. Cl. C10G 45/00 (2006.01) | ||
| U.S. Cl. 208—57 | 18 Claims |
| 1. A process for the conversion of a kerosene feedstock to produce naphtha and isobutane which process comprises:
(a) reacting the kerosene feedstock and hydrogen in an aromatic saturation reaction zone containing a noble metal catalyst
to produce a liquid hydrocarbon stream having a reduced concentration of aromatic compounds;
(b) recycling at least a portion of the liquid hydrocarbon having a reduced concentration of aromatic compounds to the aromatic
saturation reaction zone;
(c) passing at least a portion of the liquid hydrocarbon stream having a reduced concentration of aromatic compounds into
an adsorption zone containing an adsorbent to remove hydrogen sulfide and water; and
(d) reacting a resulting dry hydrocarbon stream produced in step (c) and hydrogen in a hydrocracking zone containing a noble
metal on chlorided alumina hydrocracking catalyst to produce naphtha and isobutane.
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