| 摘要 |
1432032 Ammoxidation process BP CHEMICALS INTERNATIONAL Ltd 15 Aug 1974 [7 Sept 1973] 42130/73 Heading C2C [Also in Division B1] Acrylonitrile is produced by reacting together at elevated temperature in the vapour phase propylene, molecular oxygen and ammonia over an oxide composition containing antimony, uranium and titanium together with copper, iron and/or vanadium wherein the atomic ratio of antimony to titanium is from 1 : 1 to 12 : 1, and antimony to copper, iron and/or vanadium is 2 : 1 to 15 : 1, and wherein the uranium content of the composition is in the range of 1 to 10 atom per cent of the total metal content of the composition. |
