PROCESS AND SYSTEM FOR UPGRADING HYDROCRACKER UNCONVERTED HEAVY OIL
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United States of America Patent
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Issued Date -
Nov 19, 2020
app pub date -
Nov 21, 2018
filing date -
Nov 21, 2017
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Abstract
Processes and systems for upgrading hydrocracker unconverted heavy oil are provided. The invention is useful in upgrading unconverted heavy oil such as resid derived from hydrocracking processes and may be used to upgrade such resids to form fuel oils such as low sulfur fuel oil for marine use. A combination of solutions is applied in the invention including applying a separation process for unconverted heavy oil comprising hydrocracker resid, combining an aromatic feed with the unconverted heavy oil, followed by subjecting the unconverted heavy oil to a hydrotreating process.
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