| 摘要 |
A process for the preparation of catalyst granulates from carbon black, boric acid, water and optionally nitrogenous additives, characterized in that from 3 to 50% by weight of a finely divided catalyst, which has already been used for the preparation of caprolactam and which has optionally been regenerated, are added. |
| 申请人 |
BAYER AG |
发明人 |
DANZIGER,HARRY,DR.;IMMEL,OTTO,DR.;KAISER,BERND-ULRICH,DR.;SCHWARZ,HANS-HELMUT,DR.;BANDTEL,EBERHARD,DIPL.-ING. |
