发明名称 |
Process for regenerating and rejuvenating additive containing catalysts |
摘要 |
The present invention pertains to a process for regenerating and rejuvenating an additive-based hydrotreating catalyst containing Group VIB and Group VIII hydrogenation metals. The process comprises the steps of regenerating the catalyst by contacting it with an oxygen-containing gas at a maximum temperature of 500° C., followed by rejuvenating the catalyst by contacting it with an organic additive comprising an organic compound, other than a compound that the catalyst is contacted with in the course of its use as a catalyst prior to regeneration and rejuvenation. The organic additive is incorporated into the catalyst. If necessary, the catalyst may then be dried at such a temperature that at least 50% of the additive is maintained in the catalyst. The process according to the invention makes it possible to restore the activity of a used additive-based hydrotreating catalyst to its original level, or even to improve it to above that level. |
申请公布号 |
AU5821500(A) |
申请公布日期 |
2001.01.22 |
申请号 |
AU20000058215 |
申请日期 |
2000.06.29 |
申请人 |
AKZO NOBEL N.V.;NIPPON KETJEN CO., LTD. |
发明人 |
SONJA EIJSBOUTS;FRANCISCUS WILHELMUS HOUTERT;MARCEL ADRIAAN JANSEN;TETSURO KAMO;FRANS LODEWIJK PLANTENGA |
分类号 |
B01J38/00;B01J23/94;B01J27/199;B01J27/28;B01J31/40;B01J38/12;B01J38/20;B01J38/52;B01J38/62;C10G45/04;C10G45/08 |
主分类号 |
B01J38/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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