Alumina of controlled density and catalysts prepared therefrom |
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| 申请号 | US66000057 | 申请日 | 1957-05-17 | 公开(公告)号 | US2980632A | 公开(公告)日 | 1961-04-18 |
| 申请人 | AMERICAN CYANAMID CO; | 发明人 | MALLEY THOMAS J; SCHINDLER HARVEY D; PENNELL JR JOHN D; INNES WILLIAM B; | ||||
| 摘要 | |||||||
| 权利要求 | 1. A METHOD OF PRODUCING AN ALUMINA-BASE CATALYST OF CONTROLLED DENSITY WHICH COMPRISES PRECIPITATING HYDRATED ALUMINA FROM AN AQUEOUS SOLUTION OF A WATERSOLUBLE ALUMINUM COMPOUND AT A PH OF FROM 9 TO 10.5, IMPREGNATING SAID HYDRATED ALUMINA WITH AN ACTIVATING METAL COMPOUND, DENSIFYING THE IMPREGNATED ALUMINA BY HOMOGENIZATION AND COVERING IT INTO A DRIED GEL BY THE APPLICATION OF HEAT. |
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| 说明书全文 | |||||||
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