发明授权
- 专利标题: Regeneration of catalysts for gas phase fluorination
- 专利标题(中): 气相氟化催化剂再生
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申请号: US828425申请日: 1997-03-28
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公开(公告)号: US5880049A公开(公告)日: 1999-03-09
- 发明人: Eric Lacroix , Bernard Cheminal , Benoit Requieme
- 申请人: Eric Lacroix , Bernard Cheminal , Benoit Requieme
- 申请人地址: FRX
- 专利权人: Elf Atochem S.A.
- 当前专利权人: Elf Atochem S.A.
- 当前专利权人地址: FRX
- 优先权: FRX9603972 19960329
- 主分类号: B01J23/92
- IPC分类号: B01J23/92 ; B01J27/32 ; B01J38/42 ; B01J38/46 ; C07C17/20 ; C07C19/08 ; B01J20/34
摘要:
In order to regenerate the activity of a catalyst for gas phase fluorination the spent catalyst is treated with chlorine and hydrogen fluoride, at a temperature of between 250.degree. and 450.degree. C.
公开/授权文献
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