| 摘要 |
1497589 Ammoxidation process STANDARD OIL CO 30 Dec 1975 [13 Jan 1975] 53127/75 Heading C2C [Also in Divisions B1 and C5] Acrylonitrile and methacrylonitrile are made by the vapour phase ammoxidation of propylene and isobutylene respectively at 200- 600‹ C, in the presence of a catalyst comprising an active material of the formula wherein A is an alkali metal, Tl, In, Ag, Cu, Sn and/or a rare earth metal, C is a Group II metal and/or Mn and D is Ni, Co, P, As, Sb, Ge and/or B. |
