PROCESS FOR THE MANUFACTURE OF UNSATURATED NITRILES

摘要

1509221 Ammoxidation process PRODUITS CHIMIQUES UGINE KUHLMANN 24 March 1975 [28 March 1974] 12198/75 Heading C2C [Also in Division B1] Nitriles are made by the ammoxidation of olefins in the presence of catalysts of the empirical formula Sb a Sn b Me c A d O e wherein Me is at least one other polyvalent metal, A is a monovalent alkali metal and a=1-10, b= 1-10, c=0À01-5 for each polyvalent metal, d=0À01-5 for each alkali metal, the catalyst having been heated at 550-1000‹ C. in an oxygen-containing atmosphere.