SYSTEMS AND METHODS FOR EXTERNAL PROCESSING OF FLASH ZONE GAS OIL FROM A DELAYED COKING PROCESS
First Claim
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1. A system for external processing of flash zone gas oil from a delayed coking process, which comprises:
- a vacuum residuum hydroprocessing unit for converting the flash zone gas oil by one of ebullated bed hydrocracking and dispersed catalyst hydrocracking;
a delayed coking process system for producing the flash zone gas oil;
a flash zone gas oil line in fluid communication between the vacuum residuum hydroprocessing unit and the delayed coking process system; and
a feed line in fluid communication between the vacuum residuum hydroprocessing unit and the delayed coking process system.
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Abstract
Systems and methods for the external processing flash zone gas oil by recycling it through a vacuum residuum hydroprocessing unit before reentering the delayed coking process.
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Citations
9 Claims
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1. A system for external processing of flash zone gas oil from a delayed coking process, which comprises:
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a vacuum residuum hydroprocessing unit for converting the flash zone gas oil by one of ebullated bed hydrocracking and dispersed catalyst hydrocracking; a delayed coking process system for producing the flash zone gas oil; a flash zone gas oil line in fluid communication between the vacuum residuum hydroprocessing unit and the delayed coking process system; and a feed line in fluid communication between the vacuum residuum hydroprocessing unit and the delayed coking process system. - View Dependent Claims (2, 3, 4, 5)
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6. A method for external processing of flash zone gas oil from a delayed coking process, which comprises:
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producing flash zone gas oil from a delayed coking process system; carrying the flash zone gas oil from the delayed coking process system to a vacuum residuum hydroprocessing unit; and converting the flash zone gas oil in the vacuum residuum hydroprocessing unit by one of ebullated bed hydrocracking and dispersed catalyst hydrocracking. - View Dependent Claims (7, 8, 9)
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Specification