Patent application number | Description | Published |
20090318740 | METHOD OF CONVERTING FEEDSTOCKS FROM RENEWABLE SOURCES TO GOOD-QUALITY DIESEL FUEL BASES USING A ZEOLITE TYPE CATALYST - The invention relates to a method of treating feedstocks from renewable sources in order to produce diesel fuel bases of excellent quality. The feedstocks used can be, for example, raw vegetable oils or such oils that have been previously subjected to a prerefining stage, animal fats, or mixtures of such feedstocks. The invention relates to a method allowing high diesel fuel base yields to be obtained from such feedstocks. | 12-24-2009 |
20090326290 | METHOD OF CONVERTING FEEDSTOCKS FROM RENEWABLE SOURCES TO GOOD-QUALITY DIESEL FUEL BASES USING A ZEOLITE CATALYST WITHOUT INTERMEDIATE GAS-LIQUID SEPARATION - The invention relates to a method of treating feedstocks from renewable sources without intermediate gas-liquid separation in order to produce diesel fuel bases of excellent quality. The feedstocks used can be raw vegetable oils or such oils that have been previously subjected to a prerefining stage, animal fats, or mixtures of such feedstocks. The invention relates to a method allowing high diesel fuel base yields to be obtained from such feedstocks. | 12-31-2009 |
20100179361 | Zeolitic Catalysts, Their Process for Preparation and their Applications - The invention describes a porous composite material that comprises a porous substrate based on a refractory inorganic oxide in which said substrate has a zeolite crystal content that is less than 25% by mass, whereby said crystals are dispersed homogeneously in the pores of said substrate, and the distribution coefficient that is measured by Castaing microprobe is between 0.75 and 1.25, and in which the total pore volume of said substrate represents at least 40% of the initial total pore volume of the substrate, and the mean diameter of the pores represents at least 50% of the mean diameter of the pores of the initial substrate, its process for preparation and its use as catalyst in the hydrocarbon feedstock conversion reactions. | 07-15-2010 |
20110042270 | CATALYST COMPRISING AT LEAST ONE PARTICULAR ZEOLITE AND AT LEAST ONE SILICA-ALUMINA, AND PROCESS FOR HYDROCRACKING HYDROCARBON FEEDS USING SAID CATALYST - The invention describes a catalyst comprising at least one hydrodehydrogenating metal selected from the group formed by metals from group VIB and metals from group VIII and a support comprising at least one silica-alumina, and at least one COK-7 zeolite alone, or mixed with at least one ZBM-30 zeolite, as well as a process for hydrocracking hydrocarbon feeds employing said catalyst. | 02-24-2011 |
20110120910 | Process for middle distillate production from fischer-tropsch waxes using a modified-zeolite-based catalyst by a basic treatment - This invention describes a process for the production of middle distillates from a paraffinic feedstock that is produced by Fischer-Tropsch synthesis, implementing a hydrocracking/hydroisomerization catalyst that comprises at least one hydro-dehydrogenating metal that is selected from the group that is formed by the metals of group VIB and group VIII of the periodic table and a substrate that comprises at least one dealuminified Y zeolite that has an initial overall atomic ratio of silicon to aluminum of between 2.5 and 20, a starting extra-lattice aluminum atom fraction by weight that is greater than 10%, relative to the total mass of aluminum that is present in the zeolite, a starting mesopore volume that is measured by nitrogen porosimetry that is greater than 0.07 ml.g | 05-26-2011 |
20110155633 | Process for middle distillae production form fischer-tropsch waxes using a modified-zeolite-based catalyst - The invention relates to a process for the production of middle distillates from a paraffinic feedstock that is produced by Fischer-Tropsch synthesis, implementing a hydrocracking/hydroisomerization catalyst that comprises at least one hydro-dehydrogenating metal that is selected from the group that is formed by the metals of group VIB and group VIII of the periodic table and a substrate that comprises at least one zeolite that has at least one series of channels of which the opening is defined by a ring with 12 oxygen atoms modified by a) a stage for introducing at least one alkaline cation that belongs to group IA or IIA of the periodic table, b) a stage for treatment of said zeolite in the presence of at least one molecular compound that contains at least one silicon atom, c) at least one stage for partial exchange of said alkaline cations by NH | 06-30-2011 |
20110180455 | PROCESS FOR PRODUCING MIDDLE DISTILLATES BY HYDROCRACKING OF FEEDSTOCKS OBTAINED BY THE FISCHER-TROPSCH PROCESS IN THE PRESENCE OF A CATALYST COMPRISING AN IZM-2 SOLID - The invention relates to a process for producing middle distillates from a paraffinic feedstock produced by Fischer-Tropsch synthesis, implementing a hydrocracking/hydroisomerisation catalyst comprising at least one hydro-dehydrogenating metal selected from the group formed by the metals from group VIB and from group VIII of the periodic table and a substrate comprising at least one crystallised IZM-2 solid having a chemical composition, expressed on an anhydrous base, in terms of oxide moles, by the following general formula: XO | 07-28-2011 |
20120067780 | Process For Hydrodesulphurizing Gasoline Employing A Catalyst With Controlled Porosity - A novel process is described which allows selective hydrodesulphurizing gasoline cuts containing sulphur-containing compounds and olefins. The process employs a catalyst comprising a support selected, for example, from refractory oxides such as aluminas, silicas, silica-aluminas or magnesia, used alone or as a mixture, a group VI metal, preferably Mo or W which may or may not be promoted by a group VIII metal, Co or Ni. The catalyst is characterized by a mean pore diameter of more than 22 nm. The process may comprise one or more steps. | 03-22-2012 |
20120283498 | PROCESS FOR ISOMERIZATION OF A C8 AROMATIC FRACTION IN THE PRESENCE OF A SPECIFIC CATALYST THAT CONSISTS OF A ZEOLITE/SILICON CARBIDE-TYPE COMPOSITE AND A HYDROGENATING-DEHYDROGENATING FUNCTION - A process for isomerization of an aromatic fraction that contains at least one aromatic compound that has eight carbon atoms per molecule is described, with said process comprising bringing said fraction into contact with a catalyst that comprises at least one hydrogenating-dehydrogenating metal that is selected from the group that is formed by the metals of group VIB and group VIII of the periodic table and a composite that is formed by a zeolite that is selected from among the EUO-, MTW- and MOR-structural type zeolites and silicon carbide SiC. | 11-08-2012 |
20120330077 | PROCESS FOR ISOMERIZING AN AROMATIC C8 CUT - The invention concerns a process for the isomerization of aromatic compounds containing 8 carbon atoms per molecule in the presence of a catalyst comprising at least one zeolite with structure type EUO, wherein said process is operated in the presence of water in the feed at the end of a catalyst activation period. | 12-27-2012 |
20130105358 | PROCESS FOR THE PRODUCTION OF MIDDLE DISTILLATES IN WHICH THE FEEDSTOCK ORIGINATING FROM THE FISCHER-TROPSCH PROCESS AND THE HYDROGEN STREAM CONTAIN A LIMITED OXYGEN CONTENT | 05-02-2013 |
20130105363 | METHOD OF HYDROCRACKING AND OLIGOMERIZING A PARAFFINIC PRODUCT OF FISCHER-TROPSCH SYNTHESIS USING A DISPERSED ZEOLITE BETA BASED CATALYST | 05-02-2013 |
20130165730 | PROCESS FOR CONVERSION OF PARAFFINIC FEEDSTOCKS OBTAINED FROM THE BIOMASS OF MIDDLE DISTILLATE BASES EMPLOYING AT LEAST ONE IZM-2 ZEOLITE-BASED CATALYST - The invention relates to a process for conversion of a paraffinic feedstock that has a number of carbon atoms of between 9 and 25, whereby said paraffinic feedstock is produced starting from renewable resources, employing a catalyst that comprises at least one hydrogenating-dehydrogenating metal that is selected from the group that is formed by the metals of group VIB and group VIII of the periodic table, taken by themselves or in a mixture, and a substrate that comprises at least one IZM-2 zeolite and at least one binder, with said process being carried out at a temperature of between 150 and 500° C., at a pressure of between 0.1 MPa and 15 MPa, at an hourly volumetric flow rate of between 0.1 and 10 h | 06-27-2013 |
20130270153 | PRODUCTION OF MIDDLE DISTILLATES FROM AN EFFLUENT ORIGINATING FROM FISCHER-TROPSCH SYNTHESIS COMPRISING A STEP OF REDUCING THE CONTENT OF OXYGENATED COMPOUNDS - Production of middle distillates from a feedstock produced by Fischer-Tropsch synthesis and containing oxygenated compounds:
| 10-17-2013 |
20130270154 | OPTIMIZED METHOD FOR PRODUCING MIDDLE DISTILLATES FROM A FEEDSTOCK ORIGINATING FROM THE FISCHER-TROPSCH PROCESS CONTAINING A LIMITED QUANTITY OF OXYGENATED COMPOUNDS - A method for producing middle distillates from a feedstock produced by Fischer-Tropsch synthesis and containing oxygenated compounds, including:
| 10-17-2013 |
20140288344 | PROCESS FOR THE CONVERSION OF FEEDS OBTAINED FROM RENEWABLE RESOURCES USING A CATALYST COMPRISING A Nu-10 ZEOLITE AND A SILICA-ALUMINA - The invention concerns a process for the conversion of a paraffinic feed produced from renewable resources, to the exclusion of paraffinic feeds obtained by a process employing a step for upgrading by the Fischer-Tropsch pathway, said process employing a catalyst comprising at least one hydrodehydrogenating metal, used alone or as a mixture, and a support comprising at least one Nu-10 zeolite and at least one silica-alumina, said process being carried out at a temperature in the range 150° C. to 500° C., at a pressure in the range 0.1 MPa to 15 MPa, at an hourly space velocity in the range 0.1 to 10 h | 09-25-2014 |