Hydrotreating catalyst that contains a nitrogen-containing organic compound and its use

Abstract

A hydrotreating catalyst that contains at least one element of group VIB and/or group VIII of the periodic table and optionally phosphorus and/or silicon, with an organic compound as an additive that contains at least one nitrogen atom, is used for the transformation of hydrocarbon-containing fractions, in particular the hydrodesulfurization, the hydrodenitrification, the hydrodemetallization, the hydrogenation of various petroleum fractions, such as residues, vacuum distillates, gas oils and gasolines, and the hydroconversion of vacuum distillates.

1 - 20 . (canceled)  
     
     
         21 . A hydrotreating catalyst comprising at least one element of group VIB and group VIII of the periodic table deposited on a porous substrate, and as an additive at least one organic compound selected from the group consisting of hexamethylene diamine, monoethanolamine, diethanolamine, triethanolamine, N,N-dimethyl-N′-ethylethylene diamine, an amino alcohol and an amino alkoxy-si lane, wherein the catalyst is in sulfurized form, and is prepared by a process in which the organic compound is incorporated during sulfulurization.  
     
     
         22 . A catalyst according to  claim 21 , comprising hexamethylenediamine, monoethanolamine, diethanolamine, triethanolamine or N,N-dimethyl-N′-ethylethylenediamine.  
     
     
         23 . A catalyst according to  claim 21 , comprising said amino alcohol wherein said amino alcohol is 2(2-amino ethyl amino)ethanol, 2(2-amino-ethoxy)ethanol, 2-amino-1-butanol, 4-amino-1-butanol, 2,2-diethoxyethylamine, 4,4-diethoxybutylamine, 6-amino-1-hexanol, 2-amino-1,3-propanediol, 3-amino-1,2-propanediol or 3-amino-1-propanol.  
     
     
         24 . A catalyst according to  claim 21 , said amino alkoxy-silane wherein said amino alkoxy-silane is (3-glycidoxypropyl)trimethoxy silane, 3-(2-aminoethylamino) propyl-trimethoxysilane or (3-aminopropyl)trimethoxysilane.  
     
     
         25 . A catalyst according to  claim 21 , wherein the amount of said organic compound in the catalyst is 0.05 to 2.5 mol per mol of metal (metals) of group VIB and/or of group VIII deposited on the substrate.  
     
     
         26 . A catalyst according to  claim 25 , wherein the amount of said organic compound in the catalyst is 0.1 to 1 mol per mol of metal (metals) of group VIB and/or group VIII deposited on the substrate.  
     
     
         27 . A catalyst according to  claim 21 , wherein said porous substrate comprises at least 40% by weight of alumina.  
     
     
         28 . A catalyst according to  claim 27 , wherein said porous substrate consists essentially of alumina or silica-alumina.  
     
     
         29 . A catalyst according to  claim 21  in calcined form.  
     
     
         30 . In a catalytic process comprising at least one of hydrodesulfurization, hydrodenitrification, hydrodemetallization, hydrogenation or hydroconversion of a petroleum fraction the improvement wherein the catalyst is according to  claim 21 .  
     
     
         31 . A hydrotreating catalyst comprising at least one element of group VIB and group VIII of the periodic table deposited on a porous substrate, and as an additive at least one amino alkoxy-silane, wherein the catalyst is in sulfurized form.  
     
     
         32 . A hydrotreating catalyst comprising at least one element of group VIB and group VIII of the periodic table deposited on a porous substrate, and as an additive 2(2-amino ethyl amino) ethanol.