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公开(公告)号:US4192770A
公开(公告)日:1980-03-11
申请号:US909234
申请日:1978-05-24
申请人: David M. Singleton
发明人: David M. Singleton
CPC分类号: C10G11/05 , B01J29/90 , Y10S502/521
摘要: A process for restoring selectivity of cracking catalysts which are contaminated with metals during cracking operations which comprises contacting the catalyst with at least one boron compound for a time sufficient to restore selectivity of the catalyst.
摘要翻译: 一种在裂化操作中恢复被金属污染的裂化催化剂的选择性的方法,包括使催化剂与至少一种硼化合物接触足以恢复催化剂选择性的时间。