Method for restoring activity to a spent hydroprocessing catalyst, a spent hydroprocessing catalyst having restored catalytic activity, and a hydroprocessing process

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United States of America Patent

PATENT NO 9988582
APP PUB NO 20150259611A1
SERIAL NO

14684580

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Abstract

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A regenerated spent hydroprocessing catalyst treated with a chelating agent and having incorporated therein a polar additive.

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Patent Owner(s)

  • SHELL OIL COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gabrielov, Alexei Grigorievich Houston, US 26 450
Ganja, Ed The Woodlands, US 12 41
Torrisi, Salvatore Philip The Woodlands, US 10 41

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