Restoring catalytic activity to a spent hydroprocessing catalyst

Procédé de restauration de l'activité d'un catalyseur d'hydrotraitement usé, catalyseur d'hydrotraitement usé à activité d'hydrotraitement restaurée, et procédé d'hydrotraitement

Abstract

L'invention concerne un catalyseur d'hydrotraitement usé régénéré traité avec un agent de chélation, et auquel est incorporé un additif polaire.
A regenerated spent hydroprocessing catalyst treated with a chelating agent and having incorporated therein a polar additive.

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Patent Citations (4)

    Publication numberPublication dateAssigneeTitle
    US-2005159296-A1July 21, 2005Ginestra Josiane M., Seamans James D., Lee Kenneth S.Method of restoring catalytic activity to a spent hydroprocessing catalyst, a spent hydroprocessing catalyst having restored catalytic activity, and a hydroprocessing process
    US-2009258779-A1October 15, 2009Mccarthy Stephen J, Chuansheng Bai, Borghard William G, Lewis William ERegeneration and rejuvenation of supported hydroprocessing catalysts
    US-2009261019-A1October 22, 2009Mccarthy Stephen J, Chuansheng Bai, Borghard William G, Lewis William EHydroprocessing using rejuvenated supported hydroprocessing catalysts
    US-2009298677-A1December 03, 2009Advanced Refining Technologies LlcMethod of Making Hydroprocessing Catalyst

NO-Patent Citations (1)

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    See also references of EP 2603321A4

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    Publication numberPublication dateAssigneeTitle