| 摘要 |
PROBLEM TO BE SOLVED: To provide a production method of a fluidized-bed catalyst containing iron and antimony capable of producing a target product at a high yield, and to provide a production method capable of producing a nitryl compound at a high yield in ammoxidation reaction using a fluidized bed.SOLUTION: A production method of a fluidized-bed catalyst containing iron and antimony includes a step for preparing a solution or slurry containing source materials of iron and antimony components, a pH adjusting step for adjusting a pH of the solution or slurry to be 0.5-3.0, a heating step for heating the pH-adjusted solution or slurry to 60°C or higher, a pH readjusting step for adjusting a pH of the heated solution or slurry at least once to be 2.0-3.0, a reheating step for heating the pH-readjusted solution or slurry to 60°C or higher, and a baking step for drying and baking the reheated solution or slurry. |
