Davy Powergas Gmbh

Ray Fowler

Norman Harris

Production of ethylene is disclosed by a route which involves hydrocracking of a C.sub.3 or higher feedstock, e.g. a gas oil, followed by ethane pyrolysis. The feedstock/hydrogen ratio is chosen to favor C.sub.2 production (mainly ethane but also a small proportion of ethylene) in the hydrogenation zone and the reaction is prevented from self-quenching by supplying to the hydrocracking reaction zone hot combustion gases produced by at least partial oxidation of a fuel.

Hydrocarbon conversion process

A process is provided for the catalytic production of methane from carbon oxides and hydrogen wherein water is introduced into the reaction vessel for the removal of the heat of reaction by the production of steam with the use of a catalyst effective at a temperature below 500.degree.F. The catalyst is a Group 8 metal, preferably mixtures of nickel and metals of the platinum group. Feedstock gas is normally obtained by gasification of fossil fuels or aliphatic alcohols with steam and/or oxygen.

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Amersham, United Kingdom

Ray Fowler