Chevron U.s.a. Inc.

Hyung-Jae A Yoon

Dennis R Cash

A process for reverse gas flow to obtain high conversion, selective hydrotreating and product selectivity in hydroprocessing reactor systems is disclosed. In the integrated process, hydrogen recovered from a hydrotreating reactor is purified and used as a source of hydrogen for a hydrocracking reaction zone. Hydrogen recovered from the hydrocracking reaction zone is recovered without substantial cooling and used as a source of hydrogen for the hydrotreating reaction zone.

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Richmond, CA, United States of America

Hyung-Jae A Yoon