Hydrotreating process using noble metal supported catalysts

Details Hydrotreating process using noble metal supported catalysts Hydrotreating process using noble metal supported catalysts

1990-12-18

1992-10-06

Myers, Helane

Mineral oils: processes and products

Refining

Nitrogen contaminant removal

208216R, 208217, 208299, C10G 4500, C10G 4552, C10G 4546

Patent

active

051528851

ABSTRACT:
A process for removing heteroatoms from a hydrocarbonaceous feedstock using a catalyst composition comprised of: about 0.005 to 5.0 wt. % noble 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 ML.sub.2 when the noble metal is Pt or Pd, and ML.sub.3, 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.

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