| 摘要 |
PCT No. PCT/JP97/00686 Sec. 371 Date Sep. 8, 1998 Sec. 102(e) Date Sep. 8, 1998 PCT Filed Mar. 5, 1997 PCT Pub. No. WO97/33863 PCT Pub. Date Sep. 18, 1997A process for producing acrylonitrile or methacrylonitrile, wherein a molybdenum compound, which is convertible to molybdenum oxide and not supported on a carrier is added to a fluidized bed reactor as an activator, in such a way that the ratio y of molybdenum atoms in the oxide catalyst represented by the formula:MoyBipFeqAaBbCcDdEeOfwill be maintained in the range of 1.02x to 1.12x (x=1.5p+q+a+c+1.5d+1.5e) during an ammoxydation reaction.
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