发明授权
- 专利标题： Protection of catalysts by deposition of a protective layer
- 专利标题（中）： 通过沉积保护层保护催化剂
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申请号： US09132517申请日： 1998-08-11
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公开(公告)号： US06294498B1公开(公告)日： 2001-09-25
- 发明人: Joan Darcissac , Franck Labruyere , Nilanjan Brahma , Pierre Dufrense
- 申请人： Joan Darcissac , Franck Labruyere , Nilanjan Brahma , Pierre Dufrense
- 优先权： FR9710361 19970811
- 主分类号： B01J3106
- IPC分类号： B01J3106
摘要：
Process for passivation of a heterogenous catalyst of refining reactions or hydrocarbon hydroconversion reactions, characterized in that the external surface of the particles of said heterogeneous catalyst is coated with a protective layer that is made of a particularly inert material which can be eliminated in the reaction zone under the conditions of the reaction.
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