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Akzo Nobel N.v.

Pankaj Himatlal Desai

Johannes Wilhelmus Sonnemans

Mark De Boer

Jaap Enters

Terry Allan Reid

The present invention relates to a process for preparing a catalyst suitable for the hydroprocessing of heavy hydrocarbon feeds, which process comprises the steps of

Process for preparing a hydroprocessing catalyst from waste

A process for the production of a diesel fuel includes contacting a feedstock comprising cracked stocks in the presence of hydrogen under conditions of elevated temperature and pressure with a first catalyst comprising a Group VI hydrogenation metal component and a Group VIII hydrogenation metal component on a substantially non-acidic carrier, and then contacting at least a portion of the effluent from the first catalyst with a second catalyst comprising a Group VI hydrogenation metal component and a Group VIII hydrogenation metal component on an acidic carrier. This process can produce diesel fuels having an improved cetane index and API gravity. The effluent from the second catalyst bed may be contacted with a third catalyst bed which contains a catalyst comprising a Group VI hydrogenation metal component and a Group VIII hydrogenation metal component on a substantially non-acidic carrier.

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Houston, TX, United States of America

Pankaj Himatlal Desai