| 摘要 |
1499791 Ammoxidation process UBE INDUSTRIES Ltd 12 Oct 1976 [11 May 1976] 42259/76 Heading C2C [Also in Division B1] Acrylonitrile is obtained by reacting propylene, ammonia and molecular oxygen at elevated temperature, in the gas phase and in the presence of a catalyst of the formula wherein X is vanadium and/or tellurium, the atomic ratio of a : b : c : d : e is from 10 : 3 to 10 : 1 to 7 : 0À1 to 0À7 : À001 to 1 and that of a : f is from 10 : 34À6 to 54À1. |
