| 发明名称 |
Method for reactivating catalyst for methacrylic acid preparation |
| 摘要 |
<p>A process of reactivating a deteriorated catalyst containing phosphorus and molybdenum suitable for use in the production of methacrylic acid by vapor-phase oxidation of methacrolein or vapor-phase oxidative dehydrogenation of isobutyric acid which process comprises treating the catalyst with a gas containing a nitrogen-containing heterocyclic compound.</p> |
| 申请公布号 |
EP1192992(B1) |
申请公布日期 |
2010.05.19 |
| 申请号 |
EP20010308130 |
申请日期 |
2001.09.25 |
| 申请人 |
SUMITOMO CHEMICAL CO., LTD. |
发明人 |
KASUGA, HIROTO;SHIRAISHI, EIICHI |
| 分类号 |
B01J23/887;B01J23/90;B01J27/188;B01J27/199;B01J27/28;B01J38/04;B01J38/06;B01J38/08;C07B61/00;C07C51/235;C07C51/25;C07C51/377;C07C57/04;C07C57/05;C07C57/055;C07C57/065 |
主分类号 |
B01J23/887 |
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