Method for hydrocarbon synthesis reactions
AssigneeExxon Research & Engineering Co.
InventorsWilliam C. Behrmann, Kym B. Arcuri, Charles H. Mauldin, Mordechay Herskowitz
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Abstract
A method for hydrocarbon synthesis reactions from carbon monoxide and hydrogen using a catalyst pellet which includes a solid core and a coated layer of porous support impregnated with a catalyst which optimizes the CO conversion.
Claims28
A catalyst for converting CO and H2 to hydrocarbons comprising a particulate metal compound on a support wherein said catalyst support includes an inert or hollow core and an outer layer of porous inorganic refractory oxide, said layer having a thickness determined to maximize CO conversion and minimize methane conversion wherein said thickness is determined by relating the rate of diffusion of said CO and H2 to a rate of reaction at a predetermined temperature, partial pressures, support geometry and catalyst type and preparation.
A process for the preparation of hydrocarbons by catalytic reaction of carbon monoxide with hydrogen, wherein a mixture of carbon monoxide and hydrogen is contacted at reaction conditions with a catalyst comprising a pellet containing cobalt and a support wherein the cobalt is contained in an outer layer of the catalyst and the thickness of the outer layer is selected to maximize carbon monoxide conversion to heavy hydrocarbons and minimize the conversion of carbon monoxide to methane.
A process for the preparation of heavy hydrocarbons by catalytic reaction of carbon monoxide with hydrogen, wherein a mixture of carbon monoxide and hydrogen is contacted at reaction conditions with a catalyst comprising a pellet containing a metal and a support wherein the metal is contained in an outer layer of the catalyst and the thickness of the outer layer is selected to maximize carbon monoxide conversion to heavy hydrocarbons and minimize the conversion of carbon monoxide to methane.
A catalyst comprising a pellet containing a metal and a support wherein the metal is contained in an outer layer of the catalyst and the distribution of the metal throughout the catalyst is selected to maximize carbon monoxide conversion to heavy hydrocarbons and minimize conversion of carbon monoxide to lower hydrocarbons.
A process for the preparation of heavy hydrocarbons by catalytic reaction of carbon monoxide with hydrogen, wherein a mixture of carbon monoxide and hydrogen is contacted at reaction conditions with a catalyst comprising a pellet containing a metal and a support having an outer surface, wherein the diffusion path of the carbon monoxide and the hydrogen from said outer surface to said cobalt within said support is selected to maximize carbon monoxide conversion to heavy hydrocarbons and to minimize the conversion of carbon monoxide to methane.
A catalyst for converting carbon monoxide and hydrogen to hydrocarbons comprising a pellet containing a metal and a support having an outer surface, said support having a diffusion path from said outer surface to said metal selected to maximize carbon monoxide conversion to heavy hydrocarbons and to minimize the conversion of carbon monoxide to methane.
Dependencies are inferred from the claim text.