| abstract |
The invention relates to a method for producing at least one catalyst, comprising co-mixing boehmite with an active phase containing a heteropolyanion salt of the Keggin and/or lacunary Keggin and/or substituted lacunary Keggin and/or Anderson and/or Strandberg type, and the mixtures thereof, containing molybdenum and cobalt and/or nickel in the structure thereof. The invention also relates to a method of hydrotreatment and/or hydroconversion of a heavy hydrocarbon feedstock in the presence of at least one catalyst produced according to said method. |