Process and catalyst for the preparation of a gas mixture...

Details Process and catalyst for the preparation of a gas mixture... Process and catalyst for the preparation of a gas mixture...

B - Operations, Transporting

01

J

260/710, 252/93,

B01J 23/16 (2006.01) B01J 27/04 (2006.01) C07C 1/02 (2006.01) C07C 9/04 (2006.01)

Patent

CA 1157454

A B S T R A C T A process is disclosed for the preparation of a gas mixture having a high content of methane by the catalytic conversion at a pressure of 1-150 bar and a temperature of 250-853°C of a synthesis gas (feed gas) containing hydrogen and carbon oxides and optionally other gases, wherein the feed gas contains at least 10 ppm (calculated as H2S) of one or more sulphur compounds and the conversion takes place in the presence of a catalyst containing vanadium and/or molybdenum in the form of free metal, salt, oxide, or sulphide, on a porous, oxidic, support consisting of or containing at least 30% by weight of one or more oxides of one or more metals belonging to group IV on the Periodic Table of Elements. It has been found that thereby it is possible to obtain a product gas having a high proportion of methane and a special advantage is that a high pro- portion of the higher hydrocarbons resulting in the product gas is C2-hydrocarbons.

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