Pechiney Electrometallurgie

Pechiney Recherche

Sophie Marin

Cuong Pham-Huu

Marc-Jacques Ledoux

Jean-Louis Guille

A method of producing heavy metal carbides of high specific surface area characterised in that a compound in the gazeous state of said heavy metal is caused to react with reactive carbon having a specific surface area at least equal to 200 m.sup.2.g.sup.-1 at a temperature comprised between 900.degree. and 1400.degree. C., and thus obtained carbides.

Production of heavy metal carbides of high specific surface area

Process for activating carbides of heavy metals with a large specific surface with a view to their use as a catalyst for chemical or petrochemical reactions consisting of treating the said carbides by managed oxidation under an oxidizing gas stream at a temperature between 250.degree. and 450.degree. C., maintaining the temperature for at least 3 hours and then cooling to ambient temperature, still under said oxidizing stream.

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Strasbourg, France

Sophie Marin