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...

C - Chemistry, Metallurgy

07

C

260/710, 260/709

C07C 1/02 (2006.01) B01J 23/84 (2006.01) C07C 1/32 (2006.01)

Patent

CA 1171882

ABSTRACT OF THE DISCLOSURE A gas mixture rich in ethane and/or ethylene is prepared by the conversion of a synthesis gas mixture containing hydrogen and carbon oxides and optionally other gases in the presence of one or more gaseous sulphur compounds, normally in an amount of at least 10 ppm by volume and especially at least 200 ppm, calcu- lated as H2S, by the aid of a catalyst consisting of one or more metals of group V-B and/or VI-B of the Periodic Table of Elements, preferably molybdenum and/or vanadium, together with one or more iron group metals, both kinds in the form of free metal, oxide, or sulphide, during use mainly as sulphide, and both kinds on a porous, refractory oxidic support, conveniently aluminium oxide or titanium dioxide and there is thus achieved a high activity and notably a high selectivity for the for- mation of ethane/ethylene, small amounts of propane, not insignificant amounts of methane and almost full sup- pression of the formation of higher hydrocarbons.

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