Process for the preparation of hydrocarbons


Syngas with a H2/CO mol.ratio between 0.25 and 1.0 is converted into hydrocarbons by contacting it with a mixture of a cobalt-containing Fischer-Tropsch catalyst and a Cu- and Zn-containing CO-shift catalyst. In this mixture the two catalysts are present in such amounts that the following relation is met: 0.5 x 2-F DIVIDED 1+F < M < 5 x 2-F DIVIDED 1+F, M being the (cu + Zn)/Co atomic ratio in the catalyst mixture and F being the H2/CO mol.ratio in the syngas. The Co-containing catalyst comprises 3-60 pbw Co and 0.1-100 pbw Zr, Ti and/or Cr per 100 pbw silica and/or alumina.




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Patent Citations (4)

    Publication numberPublication dateAssigneeTitle
    GB-1553958-AOctober 17, 1979Shell Int ResearchPreparing hydrocarbons by fisher-tropsch synthesis
    GB-2077289-ADecember 16, 1981Shell Int ResearchA process for the preparation of middle distillates
    GB-2077754-ADecember 23, 1981Shell Int ResearchA Process for the Preparation of Hydrocarbons
    GB-2088407-AJune 09, 1982Shell Int ResearchPreparation of Hydrocarbons from Syngas

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