Hydroprocessing catalyst fines as a first-stage catalyst in a tw

Details Hydroprocessing catalyst fines as a first-stage catalyst in a tw Hydroprocessing catalyst fines as a first-stage catalyst in a tw

1984-10-31

1988-08-02

Chaudhuri, Olik

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 89, 208211, 208251H, C10G 6512

Patent

active

047612207

ABSTRACT:
A process for the production of transportation fuels from heavy hydrocarbonaceous feedstock is provided comprising a two-stage, close-coupled process, wherein the first stage comprises a hydrothermal zone into which is introduced a mixture comprising a feedstock and finely ground hydroprocessing catalyst having coke-suppressing and demetalizing activity, and hydrogen; and the second, close-coupled stage comprises a hydrocatalytic zone into which substantially all the effluent from the first stage is directly passed and processed under hydrocracking conditions. The first-stage ground catalyst may also be spent catalyst from which most metals have been removed.

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