04986896 is referenced by 8 patents and cites 13 patents.

A known method for passivating contaminant metals on an FCC catalyst comprises treating the catalyst with a sufficient amount of a sulfur-containing compound capable of associating with the contaminant metals when in contact therewith. An improvement comprises contacting the catalyst with the sulfur-containing compound for at least 3 seconds. In another embodiment of the invention, the improvement comprises contacting the catalyst with the sulfur-containing compound in a separate treatment vessel.

Title
Method for passivating metals on an FCC catalyst
Application Number
7/337685
Publication Number
4986896
Application Date
April 13, 1989
Publication Date
January 22, 1991
Inventor
Arthur A Chin
Cherry Hill
NJ, US
Amos A Avidan
Yardley
PA, US
Agent
Dennis P Santini
Charles J Speciale
Alexander J McKillop
Assignee
Mobil Oil
VA, US
IPC
B01J 38/04
C10G 11/00
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