Upgrading Fischer-Tropsch and petroleum-derived naphthas and distillates
AssigneeChevron U.S.A. Inc.
InventorsDennis J. O'Rear, Lawrence W. Jossens
Life of this patent
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Abstract
A process for upgrading at least one of a Fischer-Tropsch naphtha and a Fischer-Tropsch distillate to produce at least one of a gasoline component, a distillate fuel or a lube base feedstock component. The process includes reforming a Fischer-Tropsch naphtha to produce hydrogen by-product and a gasoline component with a research octane rating of at least about 80. The process further includes upgrading a Fischer-Tropsch distillate using the hydrogen by-product to produce a distillate fuel and/or a lube base feedstock component.
Claims43
A process for upgrading a Fischer-Tropsch naphtha to obtain a gasoline component, the process comprising:
- a) mixing a Fischer-Tropsch naphtha with a petroleum-derived naphtha to obtain a blended naphtha having a sulfur level of at least about 1 ppm;
- b) hydrotreating said blended naphtha producing a hydrotreated blended naphtha;
- and
- c) reforming said hydrotreated blended naphtha producing hydrogen by-product and a gasoline component having a research octane rating of at least about 80.
A process for upgrading a Fischer-Tropsch distillate to produce at least one of a distillate fuel and a lube base stock component, the process comprising:
- a) mixing a Fischer-Tropsch distillate and a petroleum-derived distillate to obtain a blended distillate having a sulfur level of at least about 1 ppm;
- b) hydrotreating said blended distillate producing a hydrotreated blended distillate;
- and
- c) upgrading said hydrotreated blended distillate to produce a distillate fuel component and/or a lube base stock component.
A process for upgrading at least one of a Fischer-Tropsch naphtha and a Fischer-Tropsch distillate to produce at least one of a gasoline component, a distillate fuel or a lube base stock component, the process comprising the steps of:
- a) mixing a Fischer-Tropsch naphtha and a petroleum-derived naphtha to obtain a blended naphtha having a sulfur level of at least about 1 ppm;
- b) mixing a Fischer-Tropsch distillate and a petroleum-derived distillate to obtain a blended distillate having a sulfur level of at least about 1 ppm;
- c) producing a hydrotreated blended naphtha by hydrotreating said blended naphtha to remove oxygenates from said Fischer-Tropsch naphtha and to remove sulfur from said petroleum-derived naphtha;
- d) generating hydrogen by-product and a gasoline component comprising at least about 10% aromatics by reforming said hydrotreated blended naphtha;
- e) hydrotreating said blended distillate generating a hydrotreated blended distillate;
- and
- f) upgrading said hydrotreated blended distillate using said hydrogen by-product to produce a distillate fuel and/or a lube base stock component.
Dependencies are inferred from the claim text.