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Preparation of aliphatic nitriles by catalyzed reaction of hydrocarbons with cyanogen or hydrogen cyanide

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1. A METHOD OF PREPARING ALIPHATIC NITRILES SELECTED FROM THE GROUP CONSISTING OF ALKYL NITRILES AND ALKENYL NITRILES WHICH CONSISTS OF HEATING A MIXTURE OF AT LEAST ONE HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF C2-C20 ALKANES AND ALKENES WITH AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF CYANOGEN AND HYDROGEN CYANIDE, TO A TEMPERATURE IN THE RANGE OF ABOUT 475*-700* C., CONTACTING THE HEATED MIXTURE WITH A CATALYST CONSISTING ESSENTIALLY OF 0.05-5.0% W. OF A GROUP VIII NOBLE METAL ON A REFRACTORY SUPPORT WHICH IS CATALYTICALLY INACTIVE IN PROMOTING COMPETING REACTIONS, AT A GASEOUS HOURLY SPACE VELOCITY OF ABOUT 20-2000 AND A MOL RATIO OF REACTANTS IN THE RANGE FROM 0.05-20 MOLS OF THE FIRST NAMED REACTANT PER MOL OF THE SECOND NAMED REACTANT.
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