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US 12,680,033 B2Granted
Systems and methods for producing wash oil
AssigneeSabic Global Technologies B.V.
InventorsSteven Leen, Fabrice Cuoq, Daan Thijs, Recai Artan
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Abstract
Systems and methods for producing a wash oil using a light fuel oil (e.g., cracked distillate) are disclosed. The methods include hydrogenating the cracked distillate and separating the hydrogenated cracked distillate to remove C4 to C6 hydrocarbons to produce the wash oil.
Claims20
A method of processing a light fuel oil, the method comprising:
- hydrogenating the light fuel oil to produce a hydrogenated intermediate stream;
- and
- separating, in a separation unit, the hydrogenated intermediate stream to produce a C7+ stream;
- and
- separating, in a C8 column, the C7+ stream to produce:
- a C7 to C8 fraction stream comprising toluene, p-, m-, and o-xylenes, and ethylbenzene and a wash oil stream comprising 90 to 99 wt. % aromatics.
3 more elements
A method of processing a cracked distillate comprising 90 to 95 wt. % aromatics, the method comprising:
- hydrogenating the cracked distillate and diluent comprising pyrolysis gas in a hydrogenation unit to produce a hydrogenated intermediate stream;
- and
- separating, in a separation unit, the hydrogenated intermediate stream to remove C4 to C6 hydrocarbons, toluene and xylene from the hydrogenated intermediate stream to produce a wash oil stream configured to remove fouling from equipment, wherein the wash oil stream comprises 90 to 99 wt. % aromatics.
Dependencies are inferred from the claim text.