Invention Grant
- Patent Title: Catalyst treatment process
- Patent Title (中): 催化剂处理工艺
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Application No.: US984449Application Date: 1992-12-02
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Publication No.: US5407877APublication Date: 1995-04-18
- Inventor: John D. Scott
- Applicant: John D. Scott
- Applicant Address: GB2 London
- Assignee: Imperial Chemical Industries PLC
- Current Assignee: Imperial Chemical Industries PLC
- Current Assignee Address: GB2 London
- Priority: GBX9125678 19911203
- Main IPC: B01J27/128
- IPC: B01J27/128 ; B01J23/92 ; B01J27/132 ; B01J27/32 ; B01J38/06 ; B01J38/16 ; B01J38/46 ; C07C17/20
Abstract:
A process for the reactivation of a chromium-based fluorination catalyst, in particular chromia, by contacting the deactivated chromium-based fluorination catalyst with an atmosphere containing water vapour at elevated temperature, preferably above 300.degree. C.
Public/Granted literature
- US6147675A Input device for transmitting an input signal to a computer game port Public/Granted day:2000-11-14
Information query
