Cobalt-based catalyst for fischer-tropsch synthesis

Details Cobalt-based catalyst for fischer-tropsch synthesis Cobalt-based catalyst for fischer-tropsch synthesis

B - Operations, Transporting

01

J

B01J 23/75 (2006.01) B01J 21/12 (2006.01) C07C 1/04 (2006.01)

Patent

CA 2590800

The invention relates to a catalyst which can be applied to a method for converting synthesis gas, said catalyst comprising: a) a support made of a solid solution containing at least one first aluminate element with a mixed spinel structure of formula MxM'(1-X)AI2O4/AI2O3.SiO2, x ranging from 0 to 1 being excluded, or a simple spinel structure of formula MAI2O4/AI2O3 SiO2, wherein the support is calcinated in an at least partially oxidizing atmosphere at a temperature ranging from 850 °C to 900 °C, b) an active phase which is deposited on the support which contains one or several metals of group VIII, selected from amongst cobalt, nickel, ruthenium or iron. The catalyst is used in a fixed bed or in a suspension in a triphasic reactor for the synthesis of hydrocarbons from a CO, H2mixture.

La présente invention décrit un catalyseur applicable au procédé de conversion du gaz de synthèse, le dit catalyseur comprenant : a) un support constitué d'une solution solide contenant au moins un premier élément aluminate à structure spinelle mixte de formule MxM'(1-X)AI2O4/AI2O3.SiO2, x étant compris entre 0 et 1 exclus, ou à structure spinelle simple de formule MAI2O4/AI2O3 SiO2, ledit support étant calciné sous une atmosphère au moins partiellement oxydante, à une température comprise entre 850~C et 900~C. b) une phase active déposée sur le dit support qui contient un ou plusieurs métaux du groupe VIII, choisi parmi le cobalt, le nickel, le ruthénium ou le fer. Le dit catalyseur est mis en AEuvre en lit fixe ou en suspension dans un réacteur triphasique pour la synthèse d'hydrocarbures à partir d'un mélange CO, H2.

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