| 摘要 |
<p>chemical, petrochemical industry, chemical technology, catalysts. SUBSTANCE: invention describes a catalyst used for dehydrogenation of isoamylenes to isoprene based on industrial catalyst K-24I comprising or cement and additionally comprising the depleted catalyst in isoprene production in the following ratio of components, wt.%: depleted catalyst in isoprene production, 10-60; industrial catalyst K-24I, the balance. The proposed catalyst comprises the depleted catalyst in isoprene production comprising Al2O3,Cr2O3,K2O,SiO2 in the following ratio of components, wt.%: Al2O3, 69.0-77.0; Cr2O3, 12.0-15.0; K2O, 2.0-5.0; SiO2, 9.0-11.0. EFFECT: enhanced activity of catalyst. 2 cl, 3 tbl, 7 ex</p> |
