Patent application number | Description | Published |
20090139901 | TWO-STEP PROCESS FOR DESULPHURIZING OLEFINIC GASOLINES COMPRISING ARSENIC - The invention concerns a fixed bed process for capturing arsenic and for desulphurizing a hydrocarbon fraction comprising olefins, sulphur and arsenic, said process comprising a step a) for bringing a capture mass into contact with said hydrocarbon fraction in the presence of hydrogen, the ratio between the flow rate of hydrogen and the flow rate of the hydrocarbon fraction being in the range 50 to 800 Nm | 06-04-2009 |
20130168292 | PROCESS FOR THE HYDRODESULPHURIZATION OF A GASOLINE CUT IN THE PRESENCE OF A SUPPORTED SULPHIDE CATALYST PREPARED USING AT LEAST ONE CYCLIC OLIGOSACCHARIDE - Hydrodesulphurization of a gasoline cut containing hydrocarbons containing at least 2 carbon atoms per molecule and having an end point of 250° C. or less, by contacting the gasoline cut with at least one catalyst having an active phase of at least one metal from group VIII and at least one metal from group VIB deposited on a support, said catalyst being prepared using a process of:
| 07-04-2013 |
20130186806 | PROCESS FOR HYDROTREATING A HYDROCARBON CUT WITH A BOILING POINT OF MORE THAN 250.degree.C IN THE PRESENCE OF A SULPHIDE CATALYST PREPARED USING A CYCLIC OLIGOSACCHARIDE - Preparation of a catalyst having at least one metal from group VIII, at least one metal from group VIB and at least one support; in succession:
| 07-25-2013 |
20130211163 | PROCESS FOR SELECTIVELY HYDROGENATING A GASOLINE CUT IN THE PRESENCE OF A SUPPORTED SULPHIDE CATALYST PREPARED USING AT LEAST ONE CYCLIC OLIGOSACCHARIDE - Selective hydrogenation of a gasoline cut containing polyunsaturated hydrocarbons containing at least 2 carbon atoms per molecule and having an end point of 250° C. or less, by bringing said gasoline cut into contact with at least one catalyst the active phase of which comprises at least one metal from group VIII and at least one metal from group VIB deposited on a support. | 08-15-2013 |
20130261357 | PROCESS FOR THE SELECTIVE HYDROGENATION OF A GASOLINE - The present application relates to a process for the selective hydrogenation of a gasoline which contains polyunsaturated compounds and sulphurous light compounds, the process allowing conjointly the hydrogenation of polyunsaturated compounds into mono-unsaturated compounds, increasing weight of the sulphurous light compounds by reaction with the unsaturated compounds, and maximisation of the isomerisation of the monounsaturated compounds comprising an external C═C double bond into their internal C═C double bond isomer, said process implementing a catalyst containing at least one group VIb metal and at least one group VIII metal deposited on a porous support. | 10-03-2013 |
20140005031 | SPHERICAL MATERIAL BASED ON HETEROPOLYANIONS TRAPPED IN A MESOSTRUCTURED OXIDE MATRIX AND USE THEREOF AS CATALYST IN HYDROCARBON REFINING PROCESSES | 01-02-2014 |
20140183100 | PROCESS FOR HYDRODESULPHURATION OF GASOLINE CUTS USING A CATALYST BASED ON HETEROPOLYANIONS TRAPPED IN A MESOSTRUCTURED SILICA SUPPORT - The invention relates to a process of hydrodesulphuration of at least one gasoline cut implementing a catalyst comprising, in its oxide form, at least one metal from group VIB and/or at least one metal from group VIII of the periodic table, present in the form of at least one polyoxometalate of the formula (H | 07-03-2014 |
20150306580 | HYDROTREATMENT CATALYST COMPRISING A SUPPORT OBTAINED FROM AN ALUMINA GEL AND METHOD FOR PREPARING SAID CATALYST - The present invention concerns a hydrotreatment catalyst comprising a support, at least one metal selected from group VIB and at least one metal selected from group VIII of the periodic table, the quantity of metal from group VIB, expressed as the oxides, being in the range 6% to 25% by weight with respect to the total catalyst weight, the quantity of metal from group VIII, expressed as the oxides, being in the range 0.5% to 7% by weight with respect to the total catalyst weight, the support comprising at least 90% by weight of alumina, in which said alumina is obtained from a mixed and extruded boehmite gel, and in which the specific surface area of said catalyst is in the range 60 to 250 m | 10-29-2015 |