Methods and systems of steam stripping a hydrocracking feedstock
AssigneeSaudi Arabian Oil Company
InventorOmer Refa Koseoglu
Life of this patent
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Abstract
A process for producing cracked hydrocarbons from a feedstock, which includes a top portion that boils below 375° C. and a bottom portion that boils above 375° C., may include stripping the feedstock in a stripper to isolate the top portion from the bottom portion, hydrocracking the bottom portion in one or more hydrocracking reactors to produce a hydrocracked effluent, separating the hydrocracked effluent in a separating unit to produce a light product stream, a distillate stream, and a heavy unconverted stream; and recycling the heavy unconverted stream to an earlier stage of the process.
Claims8
A system for producing cracked hydrocarbons from a feedstock that comprises a top portion that boils below 375° C. and a bottom portion that boils above 375° C., the system comprising:
- a stripping unit configured to contact the feedstock with a vapor stream;
- one or more hydrocracking reactors;
- a separating unit;
- and
- a hydrotreating reactor configured to receive the top portion that is fed from the stripping unit, wherein the hydrotreating reactor is not in fluid communication with the hydrocracking reactors or the separating unit;
- wherein the stripping unit feeds the bottom portion to hydrocracking reactors, and the hydrocracking reactors feed the separating unit, and
- wherein the separating unit feeds one or more of the group consisting of the stripping unit and one of the hydrocracking reactors.
Dependencies are inferred from the claim text.