B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 33/00 (2006.01) B01J 37/02 (2006.01) B01J 37/20 (2006.01) C10G 45/04 (2006.01) C10G 47/02 (2006.01)
Patent
CA 2162127
Self-heating characteristics of a spontaneously combustible catalyst are reduced by treating the catalyst with an oxygen-containing hydrocarbon having at least 12 carbon atoms. The treatment is particularly suitable for reducing the self-heating characteristics of sulfidable metal oxide(s)-containing catalysts, presulfurized catalysts, presulfided catalysts or induced catalysts. When applied to sulfur-containing catalysts, the treatment gives a catalyst that has suppressed self-heating properties without substantially compromising sulfur retention or activity. Further hydrocracking catalysts treated by the oxygen-containing hydrocarbons give improved product yield. Further, a method of safety unloading a catalyst from a reactor is provided where the catalyst in the reactor is treated with a liquid mixture containing the oxygen-containing hydrocarbon to wet the catalyst.
Lockemeyer John Robert
Partin John Alexander
Samonte Edward Roy
Seamans James Dallas
Cri International Inc.
Mccarthy Tetrault Llp
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