| abstract |
The invention relates to a modified hydrorefining catalyst, comprising a refractory oxide support, at least one metal of the group VIII and at least one metal of the group VI, both in an oxidised form, characterised in comprising at least one sulphone or sulphoxide compound derived from a benzothiophene compound. The invention further relates to a method for production of the above and to a method for the purification of hydrocarbons. |