Noble metal supported hydrotreating catalysts and process

Details Noble metal supported hydrotreating catalysts and process Noble metal supported hydrotreating catalysts and process

B - Operations, Transporting

01

J

B01J 23/89 (2006.01) B01J 37/08 (2006.01) C10G 45/08 (2006.01) C10G 45/10 (2006.01)

Patent

CA 2056215

A catalyst composition comprised of: about 0.005 to 5.0 wt.% nobl a metal, about 0.5 to 5 wt.% of at least one Group VIII metal, and about 3 to 18 wt.% of a Group VI metal, and a refractory support, wherein the noble metal is incorporated into the refractory support by use of a precursor represented by ML2 when the noble metal is Pt or Pd, and ML3, when the noble metal is Rh or Ir, where M is the noble metal and L is a ligand selected from the dithiocarbamates, dithiophosphates, dithiophosphinates, xanthates, thioxanthates, and further wherein L has organo groups having a sufficient number of carbon atoms to render the noble metal complex soluble in oil. There is also provided a process for removing heteroatoms from a hydrocarbonaceous feedstock which process comprises treating the feedstock, at hydrotreating conditions and in the presence of hydrogen, with the aforementioned catalyst composition.

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