| 摘要 |
1356760 Ammoxidation process NITTO CHEMICAL INDUSTRY CO Ltd 21 July 1972 [23 July 1971] 34280/72 Heading C2C [Also in Divisions B1 and C5] Methacrylonitrile and butadiene are produced simultaneously by contacting a mixture comprising isobutene and at least one n-butene, molecular oxygen and ammonia in the vapour phase with a catalyst of the empirical formula Fe 10 W a X b Me c O d , X being phosphorus, boron and/or tellurium and Me being vanadium and/or molybdenum, where a is from 1 to 30, b is from 0À01 to 15, c is from 0À01 to 5 and d is from 12 to 143. |
