Patent application number | Description | Published |
20090127165 | Bulk Catalyst Comprising Nickel Tungsten Metal Oxidic Particles - The invention relates to a nickel tungsten bulk catalyst, to a process for the manufacture of said catalyst and to the use of said catalyst for the hydrotreatment, in particular the hydrodesulphurisation and hydrodenitrogenation of hydrocarbon feedstock. The catalyst comprises nickel tungsten metal oxidic particles obtainable by a process comprising forming a slurry of a first solid metal compound comprising Group VNI metal nickel and a second solid metal compound comprising Group VIB metal tungsten in a protic liquid, reacting the first and second solid metal compounds at elevated temperature whereby the first and second solid metal compounds remain at least partly in the solid state during the entire reaction to form the nickel tungsten oxidic bulk catalyst. | 05-21-2009 |
20090139904 | Bulk Hydroprocessing Catalyst Comprising A Group VIII Metal And Molybdenum, Preparation And Use Thereof - The invention relates to a bulk catalyst comprising at least 60 wt % metal oxidic particles comprising one or more Group VIII metals and Group VIB metal molybdenum, comprising less than 10 mole % of a second Group VIB metal (relative to the total amount of Group VIB metals) and comprising a Group V metal in an amount less than 10 mole % (relative to the total of the Group VIB metals), which bulk catalyst has been calcined at a temperature below a temperature where the hexagonal metastable crystal structure changes to an inactive crystalline structure, preferably below 450° C. and which bulk catalyst has a metastable hexagonal phase characterized by an X-ray diffraction pattern having reflections at 33-35 and 58-61° 2θ. Preferably, the main reflections have a full width at half maximum (FWHM) of less than 2.5. The invention further relates to a process for the manufacture of the bulk catalyst, to the corresponding sulphided bulk catalyst and to the use of said catalyst or sulphided catalyst in the hydroprocessing, in particular the hydrodesulphurisation and hydrodenitrogenation, of a hydrocarbon feedstock. | 06-04-2009 |
20090211945 | Bulk Catalyst Comprising Metal Oxidic Particles And A Process For The Manufacture Thereof - The invention relates to a bulk catalyst having improved activity in hydrodesulphurisation, in particular in relatively low Group VIII over Group VIB metal molar ratios. The bulk catalyst comprises metal oxidic particles comprising one or more Group VIB metals and one or more-Group VIII metals which metal oxidic particles are obtainable by a process comprising the steps of reacting the compounds comprising one or more Group VIB metals and compounds comprising one or more Group VIII metals in hydrothermal conditions at a reaction temperature above the boiling temperature of the protic liquid, preferably in an autoclave at a reaction pressure above atmospheric pressure and. The invention also relates to the corresponding sulphided catalyst, to a process for the manufacture of said bulk catalyst and to the use of said catalyst for the hydrotreatment, in particular the hydrodesulphurisation and hydrodenitrogenation of hydrocarbon feedstock. | 08-27-2009 |
20100184895 | Hydrogenation Processes - The present invention is directed to a process for hydrogenating one or more organic compounds especially unsaturated organic compounds by bringing the compound into contact with a hydrogen-containing gas in the presence of a catalyst, which comprises one or more catalytically active metals applied to a porous catalyst support. The one or more catalytically active metals having been derived via a decomposed organic complex of the metal on the support, in particular amine complexes of the metal. The decomposed complex may be treated with hydrogen to activate the catalyst before use as a hydrogenation catalyst. | 07-22-2010 |
20100248945 | BULK CATALYST COMPOSITION COMPRISING BULK METAL OXIDE PARTICLES - The invention relates to a process for preparing bulk metal oxide particles comprising the steps of combining in a reaction mixture (i) dispersible nanoparticles having a dimension of less than about 1 μm upon being dispersed in a liquid, (ii) at least one Group VIII non-noble metal compound, (iii) at least one Group VIB metal compound, and (iv) a protic liquid; and reacting the at least one Group VIII non-noble metal compound and the at least one Group VIB metal in the presence of the nanoparticles. It also relates to bulk metal hydroprocessing catalysts obtainable by such method. | 09-30-2010 |
20110082311 | Hydrogenation Processes - The present invention is directed to a process for hydrogenating one or more organic compounds especially unsaturated organic compounds by bringing the compound into contact with a hydrogen-containing gas in the presence of a catalyst, which comprises one or more catalytically active metals applied to a porous catalyst support. The one or more catalytically active metals having been derived via a decomposed organic complex of the metal on the support, in particular amine complexes of the metal. The decomposed complex may be treated with hydrogen to activate the catalyst before use as a hydrogenation catalyst. | 04-07-2011 |
20120270728 | BULK HYDROPROCESSING CATALYST COMPRISING A GROUP VIII METAL AND GROUP VIB METAL MOLYBDENUM - The invention relates to a bulk catalyst comprising at least 60 wt % metal oxidic particles comprising one or more Group VIII metals and Group VIB metal molybdenum, comprising less than 10 mole % of a second Group VIB metal and comprising a Group V metal in an amount less than 10 mole %, which bulk catalyst has been calcined at a temperature below a temperature where the hexagonal metastable crystal structure changes to an inactive crystalline structure, and which bulk catalyst has a metastable hexagonal phase characterized by an X-ray diffraction pattern having reflections at 33-35 and 58-61 °2θ; and to a process for the manufacture of the bulk catalyst, to the corresponding sulphided bulk catalyst and to the use of said bulk catalyst or sulphided bulk catalyst in the hydroprocessing of a hydrocarbon feedstock. | 10-25-2012 |
20130261362 | COPROCESSING OF BIOFEEDS WITH BULK MIXED METAL CATALYSTS - This invention relates to methods for deoxygenation utilizing bulk metal catalysts feedstocks derived in part or whole from biological sources and alternatively, further hydrotreatment processing of such deoxygenated feedstocks. Feedstocks containing bio-derived feed components, and preferably additionally mineral oil feed components, are deoxygenated in a first stage or zone using a bulk metal catalyst. In additional embodiments, the deoxygenated feedstock effluent from the deoxygenation stage is further subjected to a hydrodesulfurization stage or zone. | 10-03-2013 |
20130337996 | BULK CATALYST COMPOSITION COMPRISING BULK METAL OXIDE PARTICLES - The invention relates to a process for preparing bulk metal oxide particles comprising the steps of combining in a reaction mixture (i) dispersible nanoparticles having a dimension of less than about 1 μm upon being dispersed in a liquid, (ii) at least one Group VIII non-noble metal compound, (iii) at least one Group VIB metal compound, and (iv) a protic liquid; and reacting the at least one Group VIII non-noble metal compound and the at least one Group VIB metal in the presence of the nanoparticles. It also relates to bulk metal hydroprocessing catalysts obtainable by such method. | 12-19-2013 |