| 申请日期 | 2025-06-25 | 申请号 | JP2003406925 |
| 公开（公告）号 | JP2005162707A | 公开（公告）日 | 2005-06-23 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | ASAHI KASEI CHEMICALS CORP | ||
| 简介 | PROBLEM TO BE SOLVED : To provide a method for stably producing acrylonitrile or methacrylonitrile for a long period of time by suppressing the reduction of yield with time.
SOLUTION : When acrylonitrile or methacrylonitrile is produced by ammoxidation, a catalyst 1 and a catalyst 2 are represented by empirical formula (1) respectively as an oxide catalyst; when the atomic ratio of a G-component of the catalyst 1 is g1 and that of the catalyst 2 is g2, they are expressed by 1 | ||
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