Catalytic composition containing a metallic sulfide suspended in an asphaltene-containing liquide and hydroviscoreduction process for a hydrocarbon load

Abstract From the Canadian patent

The invention concerns on the one hand a catalytic composition resulting from a heat treatment at 80 250°C in a reducing atmosphere of a hydrogen-containing gas of at least one metal compound other than sulphur of a group VI B, VII B or VIII metal , in the presence of an organic polysulphur and of an asphaltenic hydrocarbonaceous feedstock the quantity of metal such that weight ratio of the metal to the aspahltenes is between 0.05 : 1 and 10 : 1 for a duration of about 0.1 to 24 hours then from heating the product in the presence of hydrogen under partial pressure between 0.5 and 20 MPa at a temperature between 260 and 450°C for a duration of 0.1 and 24 hours and on the other hand, the use …