发明名称 |
Passivation of metal contaminants on cracking catalyst |
摘要 |
A contaminating metal on a cracking catalyst used for the cracking of hydrocarbons is passivated by contacting the catalyst with a hydrocarbon gas or mixture of gases comprising molecules of three carbon atoms or less at passivation reaction conditions prior to the cycling of the catalyst to the cracking zone.
|
申请公布号 |
US4364848(A) |
申请公布日期 |
1982.12.21 |
申请号 |
US19800209073 |
申请日期 |
1980.11.21 |
申请人 |
UOP INC. |
发明人 |
CASTILLO, CARMEN;HAYES, JOHN C. |
分类号 |
B01J21/20;B01J29/90;C10G11/04;(IPC1-7):B01J29/38;C10G11/18;C10G11/05 |
主分类号 |
B01J21/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|