Patent application number | Description | Published |
20110108459 | HYDROCRACKING PROCESS USING A ZEOLITE MODIFIED BY BASIC TREATMENT - The present invention describes a hydrocracking and/or hydrotreatment process using a catalyst comprising an active phase containing at least one hydrogenating/dehydrogenating component selected from the group VIB elements and the non-precious elements of group VIII of the periodic table, used alone or in a mixture, and a support comprising at least one dealuminated zeolite Y having an overall initial atomic ratio of silicon to aluminium between 2.5 and 20, an initial weight fraction of extra-lattice aluminium atoms greater than 10%, relative to the total weight of aluminium present in the zeolite, an initial mesopore volume measured by nitrogen porosimetry greater than 0.07 ml·g | 05-12-2011 |
20110108460 | PROCESS FOR HYDROTREATMENT AND HYDROISOMERIZATION OF FEEDSTOCKS OBTAINED FROM A RENEWABLE SOURCE IMPLEMENTING A ZEOLITE THAT IS MODIFIED BY A BASIC TREATMENT - This invention describes a process for treatment of feedstocks obtained from a renewable source implementing—in one hydroisomerization stage—a 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 fraction by weight of an initial extra-network aluminum atom that is greater than 10%, relative to the total mass of aluminum that is present in the zeolite, an initial mesopore volume that is measured by nitrogen porosimetry that is greater than 0.07 ml·g | 05-12-2011 |
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 |
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 |
20110190562 | CATALYST COMPRISING AN IZM-2 ZEOLITE AND AT LEAST ONE METAL, AND ITS USE IN THE TRANSFORMATION OF HYDROCARBONS - A catalyst is described which comprises at least one IZM-2 zeolite, at least one matrix and at least one metal selected from metals from groups VIII, VIB and VIIB, said zeolite having a chemical composition expressed as the anhydrous base in terms of moles of oxides by the following general formula: XO | 08-04-2011 |
20110192765 | IZM-2 ZEOLITE-BASED CATALYST AND PROCESS FOR HYDROCONVERSION/HYDROCRACKING OF HYDROCARBONATED FEEDSTOCKS - The present invention relates to a catalyst comprising at least one IZM-2 zeolite, at least one amorphous matrix, at least one hydro-dehydrogenating element selected from the group formed by the elements from group VIB and from group VIII of the periodic table and excluding platinum and palladium. The catalyst also optionally contains a controlled quantity of at least one doping element selected from phosphorus, boron and silicon, optionally at least one element from group VB of the periodic table of the elements, and optionally a group VIIA element. The invention also relates to hydrocracking and hydrotreatment processes implementing this catalyst. | 08-11-2011 |
20110275871 | PROCESS FOR THE PRODUCTION OF BRANCHED ALKYLBENZENES THAT USES A RENEWABLE CARBON SOURCE - A process for the production of alkylbenzenes in the presence of an aromatic feedstock and an olefinic stream produced from an ethanol feedstock, itself produced from a renewable source obtained from biomass, is described, with said process comprising at least:
| 11-10-2011 |
20110282121 | PROCESS FOR THE PRODUCTION OF ALKYLBENZENES FROM AN OLEFINIC FEEDSTOCK PRODUCED BY OLIGOMERIZATION THAT IS CATALYZED HOMOGENEOUSLY - A process for the production of a mixture of alkylbenzenes in the presence of an aromatic feedstock and an olefinic stream produced from an ethylene feedstock is described, with said process comprising at least:
| 11-17-2011 |
20110313221 | FLEXIBLE PROCESS FOR TRANSFORMATION OF ETHANOL INTO MIDDLE DISTILLATES IMPLEMENTING A HOMOGENEOUS CATALYTIC SYSTEM AND A HETEROGENEOUS CATALYTIC SYSTEM - The invention describes a process for the production of middle distillate hydrocarbon bases from an ethanol feedstock that is produced from a renewable source that is obtained from biomass, comprising a stage for purification of said feedstock, a stage for dehydration of said purified feedstock into an effluent that is for the most part ethylene and comprises water, at least one stage for separating water, a first stage for oligomerization of the effluent that is for the most part ethylene into at least one olefinic effluent that comprises at least 80% by weight of olefins that have four or more carbon atoms, in the presence of a homogeneous catalyst that comprises at least one bivalent nickel compound, whereby a second oligomerization stage produces middle distillate hydrocarbon bases in the presence of an amorphous or zeolitic catalyst that has at least pore openings that contain 10 or 12 oxygen atoms, producing middle distillate hydrocarbon bases, and a fractionation stage. | 12-22-2011 |
20120004481 | FLEXIBLE PROCESS FOR TRANSFORMATION OF ETHANOL INTO MIDDLE DISTILLATES - The invention describes a process for the production of middle distillate hydrocarbon bases from an ethanol feedstock that is produced from a renewable source that is obtained from biomass, whereby said process comprises a stage for purification of said feedstock, a stage for transformation of said purified feedstock into a light olefinic effluent that comprises at least 30% by weight of olefins that have between four to six carbon atoms relative to the total mass of the formed hydrocarbon compounds, whereby said stage works in the presence of a catalyst that comprises at least one zeolite that is selected from among the zeolites that have a structural type that appears in the following list: CHA, ERI, MTF, AEI, AEL, FER, EUO, MEL, MFS, TON, MTT and the zeolites ZBM-30, ZSM-48, IM-5 and IZM-2, taken by themselves or in a mixture, a stage for separation of the olefinic effluent that is obtained from stage b) in such a way as to eliminate at least a portion of the water that is formed during stage b) to produce at least one hydrocarbon gaseous effluent that for the most part has three or fewer carbon atoms and at least one olefinic hydrocarbon liquid effluent that for the most part has more than four carbon atoms, and a stage for oligomerization of at least a portion of the hydrocarbon effluents that are obtained from stage c) in the presence of an amorphous or zeolitic catalyst that has at least pore openings that contain 10 or 12 oxygen atoms, producing middle distillate hydrocarbon bases. | 01-05-2012 |
20120022279 | CATALYST COMPRISING AT LEAST ONE IZM-2 ZEOLITE, AND ITS USE IN THE TRANSFORMATION OF HYDROCARBON FEEDS - A catalyst is described which comprises at least one IZM-2 zeolite and at least one matrix, said zeolite having a chemical composition expressed as the anhydrous base in terms of moles of oxides by the following general formula: XO | 01-26-2012 |
20120205286 | HYDROCRACKING PROCESS USING A ZEOLITE CATALYST CONTAINING TWO DISTINCT HYDROGENATING FUNCTIONS - Process for hydrocracking and/or hydrotreatment of hydrocarbon feeds utilizing a catalyst comprising at least one hydro-dehydrogenating element of group VIB and of non-precious group VIII used alone or mixed, and a support comprising at least one porous mineral matrix and at least one dealuminated USY zeolite having an overall silicon-to-aluminium atomic ratio comprised between 2.5 and 10, a fraction by weight of extra-network aluminium atom greater than 10% relative to the total mass of the aluminium present in the zeolite, a mesopore volume measured by nitrogen porosimetry greater than 0.07 ml.g | 08-16-2012 |
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 |
20130053601 | PROCESS FOR TRANSFORMATION OF LIGNOCELLULOSIC BIOMASS OR CELLULOSE BY TUNGSTEN-BASED SOLID LEWIS ACIDS - The invention relates to a process for transformation of lignocellulosic biomass or cellulose that uses tungsten-based heterogeneous catalysts that are dispersed on an oxide-based substrate, preferably with a base of oxide(s) of aluminum and/or zirconium and/or titanium and/or niobium. The use of these catalysts makes it possible to obtain directly lactic acid with high selectivity while limiting the production of oligosaccharides and soluble polymers. | 02-28-2013 |
20130090233 | HYDROCRACKING PROCESS USING A ZEOLITE MODIFIED BY BASIC TREATMENT - The present invention describes a hydrocracking and/or hydrotreatment process using a catalyst comprising an active phase containing at least one hydrogenating/dehydrogenating component selected from the group VIB elements and the non-precious elements of group VIII of the periodic table, used alone or in a mixture, and a support comprising at least one dealuminated zeolite Y having an overall initial atomic ratio of silicon to aluminium between 2.5 and 20, an initial weight fraction of extra-lattice aluminium atoms greater than 10%, relative to the total weight of aluminium present in the zeolite, an initial mesopore volume measured by nitrogen porosimetry greater than 0.07 ml·g | 04-11-2013 |
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 |
20130184496 | PROCESS FOR TRANSFORMATION OF LIGNOCELLULOSIC BIOMASS OR CELLULOSE BY TUNGSTEN-OXIDE-BASED SOLID LEWIS ACID CATALYSTS AND A METAL THAT IS SELECTED FROM GROUPS 8 TO 11 - The invention relates to a process for transformation of lignoceliulosic biomass or cellulose that uses tungsten-oxide-based heterogeneous catalysts that are dispersed on an oxide-based substrate, preferably with a base of oxide(s) of aluminum and/or zirconium and/or titanium and/or niobium and containing an element in the particular metallic state. The use of these catalysts makes it possible to obtain directly upgradable products containing three carbon atoms, in particular hydroxyacetone and propylene glycol with high selectivity. | 07-18-2013 |
20130281734 | PROCESS FOR CONVERTING CELLULOSE OR LIGNOCELLULOSIC BIOMASS USING STABLE NON-ZEOLITE SOLID LEWIS ACIDS BASED ON TIN OR ANTIMONY ALONE OR AS A MIXTURE - The invention relates to a process for transformation of lignocellulosic biomass or cellulose using stable non-zeolitic heterogeneous catalysts that are based on tin and/or antimony, preferably dispersed on a substrate. The use of these catalysts makes it possible to obtain directly lactic acid with high selectivity while limiting the production of oligosaccharides and soluble polymers. | 10-24-2013 |
20130281741 | PROCESS FOR TRANSFORMATION OF LIGNOCELLULOSIC BIOMASS OR CELLULOSE BY CATALYSTS BASED ON TIN OXIDE AND/OR ANTIMONY OXIDE AND A METAL THAT IS SELECTED FROM THE GROUPS 8 TO 11 - The invention relates to a process for transformation of lignocellulosic biomass or cellulose using heterogeneous catalysts that are based on tin oxide and/or antimony oxide, dispersed on a substrate and containing at least one element in the particular metal state. The use of these catalysts makes it possible to obtain directly upgradable products, in particular hydroxyacetone and propylene glycol with high selectivity. | 10-24-2013 |
20140135550 | PROCESS FOR ISOMERIZING AN AROMATIC C8 CUT IN THE PRESENCE OF A CATALYST BASED ON AN EUO ZEOLITE AND A PARTICULAR SODIUM CONTENT - A process for isomerizing an aromatic cut containing at least one aromatic compound containing eight carbon atoms per molecule, which includes bringing the aromatic cut into contact with a catalyst containing a zeolite with structure type EUO, which catalyst has been prepared by obtaining a zeolite with structure type EUO having an overall Si/Al atomic ratio in the range 5 to 45, a sodium content in the range 500 to 5000 ppm by weight, with a Na/Al ratio in the range 5% to 20% by mole, and thereafter performing the following:
| 05-15-2014 |
20140326641 | METHOD OF PREPARING A CATALYST USABLE IN HYDROCONVERSION COMPRISING AT LEAST ONE ZEOLITE NU-86 - The invention relates to a method of preparing a catalyst comprising a) preparation of a support comprising 0.2 to 30 wt % of zeolite NU-86 and from 70 to 99.8 wt % of a porous mineral matrix, the percentages by weight being expressed relative to the total weight of said support, b) impregnation of the support prepared according to step a) with at least one solution containing at least one precursor of at least one metal selected from group VIII metals and group VIB metals, used alone or as a mixture, c) at least one ripening step, and d) at least one drying step carried out at a temperature below 150° C., without a subsequent calcining step. The present invention also relates to a process for hydrocracking hydrocarbon feeds using the catalyst prepared according to the method of preparation according to the invention. | 11-06-2014 |
20140364668 | METHOD FOR ISOMERIZING AN AROMATIC C8 FRACTION IN THE PRESENCE OF A CATALYST CONTAINING AN EUO ZEOLITE AND A SPECIFIC BINDER - A process for isomerizing an aromatic cut containing at least one aromatic compound containing eight carbon atoms per molecule is described, comprising bringing said cut into contact with at least one catalyst comprising at least one metal from group VIII of the periodic classification of the elements, at least one zeolitic support comprising a zeolite selected from zeolites with structure type EUO and MOR, used alone or as a mixture, and at least one matrix, such that the specific surface area of the matrix in the zeolitic support of said catalyst is in the range 5 to 200 m | 12-11-2014 |