Patent ID: 9040447
Filing Date: 2015-05-26
Classification: B01J,C10G

Abstract:
1. A process for preparing a slurry catalyst for use in upgrading a heavy oil feedstock, comprising: providing a metal precursor solution comprising at least a water-soluble molybdenum compound and a water-soluble metal zinc compound in water; mixing the metal precursor solution with a hydrocarbon diluent under sufficiently high shear mixing to generate an emulsion with droplet sizes ranging from 0.1 to 300 μm; sulfiding the emulsion with at least a sulfiding agent to form a slurry catalyst having a particle size ranging from 1 to 300 μm; wherein the emulsion is subjected to reduction at a temperature above ambient either before or after the sulfiding step; and wherein the zinc compound is present in the slurry catalyst in a sufficient amount for a zinc to molybdenum weight ratio ranging from 1:10 to 10:1.