| IFP Energies nouvelles Patent applications |
| Patent application number | Title | Published |
|---|
| 20120129961 | METHOD FOR OPTIMIZING THE OPERATION OF A HYDROCARBON SYNTHESIS UNIT STARTING FROM SYNTHESIS GAS, BY CONTROLLING THE PARTIAL PRESSURE OF CO - A method is described for optimizing the operation of a reaction section for the synthesis of hydrocarbons from a feed comprising synthesis gas, operated in the presence of a catalyst comprising cobalt, said method comprising the following steps:
| 05-24-2012 |
| 20120125814 | PROCESS FOR REFORMING HYDROCARBON CUTS - A process for reforming a feed composed of one or more hydrocarbon cuts containing 9 to 22 carbon atoms comprises:
| 05-24-2012 |
| 20120122665 | MULTI-METALLIC CATALYST WITH A STRONG METALLIC INTERACTION - The invention concerns a catalyst comprising at least one metal M from group VIII, tin, a phosphorus promoter, a halogenated compound, a porous support and at least one promoter X1 selected from the group constituted by gallium, indium, thallium, arsenic, antimony and bismuth. In | 05-17-2012 |
| 20120122170 | IN SITU PRODUCTION OF FURFURAL IN A CONTROLLED AMOUNT IN AN ALCOHOL PRODUCTION UNIT FROM A LIGNOCELLULOSIC BIOMASS - The present invention describes a process for the production of alcohol, known as second generation production, from a lignocellulosic substrate, in which a controlled quantity of furfural is produced in situ and which comprises at least the following steps:
| 05-17-2012 |
| 20120116136 | DEVICE FOR DISTRIBUTING A POLYPHASE MIXTURE COMPRISING A JET BREAKER TRAY WITH A SEPARATING ELEMENT - The present invention concerns a device for distributing a polyphase mixture constituted by at least one gas phase and at least one liquid phase, said mixture being in downflow mode passing through at least one bed of solid particles, and said device comprising at least one tray ( | 05-10-2012 |
| 20120107227 | PROCESS FOR THE PRODUCTION OF HYDROGEN BY STEAM REFORMING AN OIL CUT WITH OPTIMIZED STEAM PRODUCTION - The present invention describes a process for the production of hydrogen by steam reforming an oil cut using a hot vector gas, in which the steam produced by the process is used in its entirety in said process, a first portion of the steam being introduced as a mixture with the feed, and the second portion supplying the steam turbine driving the compressor for pressurizing the hot vector gas. | 05-03-2012 |
| 20120103867 | PROCESS FOR THE PRODUCTION OF KEROSENE AND DIESEL FUELS FROM LIGHT UNSATURATED FRACTIONS AND BTX-RICH AROMATIC FRACTIONS - Process for the production of kerosene and diesel fuels from a so-called light cracked naphtha fraction, to which can be added any quantity of an LPG fraction and a BTX-rich aromatic fraction and which uses a stage for oligomerization of olefins and alkylation of olefins on the aromatic compounds. | 05-03-2012 |
| 20120101288 | PROCESS FOR THE PRODUCTION OF ALKYL ESTERS FROM ANIMAL OR VEGETABLE OIL AND AN ALIPHATIC MONO-ALCOHOL WITH THERMAL INTEGRATION - The present invention describes a process for the production of alkyl esters of fatty acids and glycerine employing, in a reaction section, at least one transesterification reaction between an animal or vegetable oil and an aliphatic mono-alcohol, and using a heterogeneous solid catalyst, in which the energy balance is improved by thermal integration of the energy released during the mono-alcohol condensation step. | 04-26-2012 |
| 20120100585 | PROCESS FOR THE PRODUCTION OF ALCOHOLS AND/OR SOLVENTS FROM LIGNOCELLULOSIC BIOMASS WITH ACID RECYCLE OF SOLID RESIDUES - The present invention describes a process for the production of alcohols and/or solvents from a cellulosic or lignocellulosic substrate, comprising at least the following steps:
| 04-26-2012 |
| 20120091038 | OPTIMIZED CATALYST FOR CATALYTIC REFORMING - The present invention concerns an optimized reforming catalyst comprising at least platinum, at least one promoter metal selected from the group formed by rhenium and iridium, at least one halogen, and at least one alumina support with a low sulphur and phosphorus content. | 04-19-2012 |
| 20120091037 | FLUID CATALYTIC CRACKING PROCESS ADAPTED FOR THE TREATMENT OF FEEDS WITH A LOW CONRADSON CARBON, COMPRISING RECYCLING A COKING CUT EMPLOYING NOVEL TECHNOLOGY - The present invention describes a process for the production of gasoline in a fluid catalytic cracking unit having at least one principal reactor operating using feeds with a low Conradson Carbon and a high hydrogen content, said process comprising recycling a coking cut either to a side chamber branching off the stripper or within the stripper itself by means of a tubular vessel within said stripper. | 04-19-2012 |
| 20120091034 | PROCESS FOR PRODUCING MIDDLE DISTILLATES BY HYDROISOMERIZATION AND HYDROCRACKING OF A HEAVY FRACTION DERIVED FROM A FISCHER-TROPSCH EFFLUENT - The present invention describes a process for producing middle distillates from a C5+ liquid paraffinic fraction, termed a heavy fraction, with an initial boiling point in the range 15° C. to 40° C. produced by Fischer-Tropsch synthesis, comprising the following steps in succession: passing said C5+ liquid paraffinic fraction, termed a heavy fraction, over at least one ion exchange resin at a temperature in the range 80° C. to 150° C., at a total pressure in the range 0.7 to 2.5 MPa, at an hourly space velocity in the range 0.2 to 2.5 h | 04-19-2012 |
| 20120067987 | PROCESS FOR HEAT TREATMENT OF BIOMASS WITH A COOLANT SOLID - This invention relates to a process for heat treatment of a solid, with a coolant solid, in which a stage for mixing the solid with the pre-heated coolant solid is carried out, with the coolant solid being a solid hydrocarbon. The solid hydrocarbon is ground, before the mixing stage with the solid, to obtain a solid hydrocarbon powder with a grain size of between 20 μm and 300 μm. The solid is ground, before the mixing stage with the coolant solid, to obtain solid pellets with a thickness of between 1 mm and 30 mm, a width of between 1 mm and 40 mm, and a length of between 1 mm and 100 mm. The mixing is carried out at a temperature of between 80° C. and 700° C. | 03-22-2012 |
| 20120065441 | DEVICE FOR DISTRIBUTING A POLYPHASE MIXTURE COMPRISING A JET BREAKER TRAY PERFORATED WITH DIFFERENT TYPES OF HOLES - The present invention concerns a device for distributing a polyphase mixture constituted by at least one gas phase and at least one liquid phase, said mixture being in downflow mode passing through at least one bed of solid particles, and said device comprising at least one tray ( | 03-15-2012 |
| 20120061293 | RESIDUE CONVERSION PROCESS THAT INCLUDES A DEASPHALTING STAGE AND A HYDROCONVERSION STAGE - Conversion of a heavy hydrocarbon fraction that is obtained either from a crude oil or from the distillation of a crude oil and that has an initial boiling point of at least 300° C. by hydroconversion of at least one portion of heavy hydrocarbon fraction in the presence of hydrogen in at least one three-phase reactor containing at least one hydroconversion catalyst, separation of the effluent to obtain a light liquid fraction that boils at a temperature that is less than 300° C. and a heavy liquid fraction that boils at a temperature that is greater than 300° C., and a deasphalting of at least one portion of the heavy liquid fraction that boils at a temperature that is greater than 300° C. | 03-15-2012 |
| 20120061292 | RESIDUE CONVERSION PROCESS THAT INCLUDES A DEASPHALTING STAGE AND A HYDROCONVERSION STAGE WITH RECYCLING OF DEASPHALTED OIL - For conversion of crude oil or a heavy hydrocarbon fraction having an initial boiling point of at least 300° C., conducting a catalytic hydroconversion in a three-phase reactor operating in a boiling bed with an upward flow of liquid and gas, separating resultant effluent into a light liquid fraction boiling at less than 300° C. and a heavy liquid fraction boiling above 300° C., deasphalting the heavy liquid fraction to obtain a deasphalted hydrocarbon fraction and residual asphalt, and recycling at least one portion of the deasphalted hydrocarbon fraction upstream of the hydroconversion stage. | 03-15-2012 |
| 20120059209 | PROCESS FOR THE CONTINUOUS HYDROGENATION OF TRIGLYCERIDE CONTAINING RAW MATERIALS USING A NICKEL AND MOLYBDENUM-BASED CATALYST - Process for the continuous hydrogenation of triglyceride containing raw materials in a fixed bed reactor system having several catalyst beds arranged in series and comprising at least e hydrogenation catalyst comprising an active phase constituted by a nickel and molybdenum element. The raw material feed, hydrogen containing gas and diluting agent are passed together through the catalyst beds at hydrogenation conditions. The raw material feed stream as well as the stream of hydrogen containing gas are divided into an equal number of different partial streams. These are each passed to one catalyst bed in such a manner that the weight ratio of diluting agent to raw material feed is essentially the same at the entrance of all catalyst beds and does not exceed 4:1. The claimed process is preferably conducted at low temperatures and allows the utilization of existing units due to the low recycle ratio. | 03-08-2012 |
| 20120041210 | IM-20 CRYSTALLINE SOLID AND PROCESS FOR ITS PREPARATION - The invention concerns a crystalline solid designated IM-20 which has the X-ray diffraction diagram given below. Said solid has a chemical composition expressed by the empirical formula: mXO | 02-16-2012 |
| 20120036764 | CARBON MATERIAL CONVERSION PROCESS COMPRISING TWO LIQUEFACTION STAGES IN A BOILING BED IN THE PRESENCE OF HYDROGEN GENERATED BY NON-FOSSIL SOURCES - A process for converting carbon material into fuel bases comprising two liquefaction stages in the presence of hydrogen in a boiling-bed reactor containing a supported catalyst and integrating a hydrogen production stage generated by non-fossil sources that do not emit CO | 02-16-2012 |
| 20120029255 | PROCESS FOR CONVERTING A HEAVY FEED INTO GASOLINE AND PROPYLENE, HAVING AN ADJUSTABLE YIELD STRUCTURE - The present invention describes a process for conversion of a heavy feed, having high flexibility as regards the production of propylene and gasoline. The process uses a catalytic cracking unit followed by a unit for oligomerization of C3/C4 olefins, C4 or C4/C5 olefins depending on the selected production. The process of the invention encompasses cases in which catalytic cracking is carried out in a single reactor or in two distinct reactors, each reactor possibly functioning in riser or dropper mode. | 02-02-2012 |
| 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 |
| 20120017511 | PROCESS FOR THE PRODUCTION OF HYDROGEN WITH INTERMEDIATE-PRESSURE PURGING - This invention relates to a process for the production of hydrogen from a hydrocarbon feedstock and water vapor comprising:
| 01-26-2012 |
| 20120016170 | PROCESS FOR PREPARING A CORE-LAYER MATERIAL HAVING GOOD MECHANICAL STRENGTH - A process is described for preparing a spherical material comprising a porous core coated with a continuous and homogeneous porous layer, the degree of attrition of said material being less than 20%. Said preparation process comprises a) bringing a bed of spherical particles constituting the core of said material into contact with a suspension containing an inorganic binder in order to form a solid having a pre-layer around said core; b) bringing the solid derived from step a) into contact, in a stream of hot air, with a powder constituted by spherical particles of an inorganic oxide and a suspension containing an inorganic binder and an organic binder in order to form a solid the core of which is coated with at least one continuous and homogeneous porous layer, the ratio of the (mass of anhydrous inorganic binder/volume of powder particles) being in the range 0.05 to 1 g.mL | 01-19-2012 |
| 20120016042 | COBALT-BASED CATALYST ON A SILICA-ALUMINA SUPPORT FOR FISCHER-TROPSCH SYNTHESIS - The present invention concerns a catalyst for carrying out hydrocarbon synthesis starting from a mixture comprising carbon monoxide and hydrogen, the active phase of which comprises at least one metal from group VIII deposited on a support formed by at least one oxide, in which said metal from group VIII is selected from the group constituted by cobalt, nickel, ruthenium or iron, and in which said catalyst has an atomic ratio (Co/Al) | 01-19-2012 |
| 20120014853 | NEW PROCESS FOR RECOVERING CO2 FROM REGENERATION FLUE GAS COMING FROM A CATALYTIC CRACKING UNIT - The invention describes an integrated process for capturing CO | 01-19-2012 |
| 20120010306 | Process for removing sulphur-containing, nitrogen-containing and halogen-containing impurities contained in a synthesis gas - The invention relates to a process for finally removing sulphur-containing, nitrogen-containing and halogen-containing impurities contained in a synthesis gas, said process including:
| 01-12-2012 |
| 20120006516 | EXCHANGER-REACTOR WITH BAYONET TUBES AND CHIMNEYS SUSPENDED FROM THE UPPER DOME OF THE REACTOR - The present invention describes a vertical cylindrical exchanger-reactor for carrying out endothermic reactions, comprising a shell enclosing a plurality of tubes inside which the reactive fluid moves, said tubes being of the bayonet type, and the heat transfer fluid, in this case hot gases, being channelled inside chimneys surrounding said bayonet tubes. The bayonet tubes and the chimneys are suspended from the upper dome of the reactor. This reactor may operate with a pressure difference between the tube side and the shell of up to 100 bars. The hot gases are admitted into the reactor at temperatures of up to 1300° C. | 01-12-2012 |
| 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 |
| 20120004433 | METHOD OF PREPARING ALCOHOL ESTERS FROM TRIGLYCERIDES AND ALCOHOLS USING HETEROGENEOUS CATALYSTS BASED ON NITROGEN-CONTAINING METALLOPHOSPHATES - A method of preparing a composition of alcohol esters of linear monocarboxylic acids with 6 to 26 carbon atoms from a vegetable or animal oil, neutral or acid, virgin or recycled, with monoalcohols having 1 to 18 carbon atoms, in the presence of a catalyst of nitrogen-containing metallophosphate type. | 01-05-2012 |
| 20120000855 | PREPARATION OF A SOLID BASED ON ZINC OXIDE FOR USE IN PURIFYING A GAS OR A LIQUID - The invention concerns a process for preparing a solid comprising ZnO and a binder comprising the following steps: pre-mixing powders comprising at least one ZnO powder and at least one binder (step a), mixing the paste obtained (step b), extruding (step c) the paste obtained in step b), drying the extrudates, and calcining (step d) in a stream of gas comprising oxygen. | 01-05-2012 |
| 20120000822 | NOVEL CATALYTIC REFORMING PROCESS WITH A RECYCLE OF THE REDUCTION EFFLUENT UPSTREAM OF THE FIRST REACTOR AND A RECYCLE OF THE RECYCLE GAS TO THE LAST REACTOR OR REACTORS IN THE SERIES - The present invention describes a process for regenerative reforming of gasolines, characterized by recycling at least a portion of the effluent from the catalyst reduction zone to the inlet to the feed/effluent exchanger that can pre-heat the feed, the other portion possibly being recycled to the head of the first reactor, and by recycling gas from the recycle compressor to the head of the penultimate reactor of the series. This disposition can significantly improve the production of reformate and the hydrogen balances of the unit. | 01-05-2012 |
| 20110315634 | PROCESS AND APPARATUS FOR SIMULATED MOVING BED SEPARATION COMPRISING BYPASS LINES IN EVERY OTHER BED AND WITH CONTROLLED FLUSHING FLOW RATES DURING INJECTIONS AND WITHDRAWALS - A process for separating a feed F by simulated moving bed adsorption in a SMB device comprises external bypass lines L | 12-29-2011 |
| 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 |
| 20110303602 | DEVICE FOR DISTRIBUTING FLUIDS IN A SIMULATED MOVING BED COLUMN WITH A LIMITED DEGREE OF IMMERSION WITHIN THE GRANULAR BED - The present invention describes a device for the distribution of fluids in a multi-stage column operating in simulated moving bed (SMB) mode comprising, in the direction of flow of the principal fluid, a distribution system ( | 12-15-2011 |
| 20110293941 | INORGANIC MATERIAL MADE OF SPHERICAL PARTICLES OF SPECIFIC SIZE AND HAVING METALLIC NANOPARTICLES TRAPPED IN A MESOSTRUCTURED MATRIX - An inorganic material is described, which consists of at least two elementary spherical particles, each one of said spherical particles comprising metallic nanoparticles of size ranging between 1 and 300 nm and a mesostructured matrix based on an oxide of at least one element X selected from the group made up of silicon, aluminium, titanium, tungsten, zirconium, gallium, germanium, tin, antimony, lead, vanadium, iron, manganese, hafnium, niobium, tantalum, yttrium, cerium, gadolinium, europium and neodymium, and the mixture of at least two of these elements, said mesostructured matrix having a pore diameter ranging between 1.5 and 30 nm and having amorphous walls of thickness ranging between 1 and 30 nm, said elementary spherical particles having a diameter D greater than 10 μm and less than or equal to 100 μm. Said material can also contain zeolite nanocrystals trapped within said mesostructured matrix. | 12-01-2011 |
| 20110288359 | PROCESS FOR PREPARATION OF A CATIONIC ZEOLITE BY ION EXCHANGE - The invention relates to a process for preparation of a cationic zeolite that is at least partially exchanged with one or more monovalent and/or multivalent cations. The process comprises at least the stages for separate activation of a zeolite that is to be exchanged and an anhydrous salt under a dry, inert gaseous stream, dissolution of the anhydrous salt in an anhydrous organic solvent, ion exchange under dry inert atmosphere, filtering and washing with an anhydrous organic solvent, and calcination in the presence of oxygen and under a dry gaseous stream. The invention also relates to the use of prepared zeolites for the separation or the purification of hydrocarbon feedstocks. | 11-24-2011 |
| 20110288342 | METHOD OF CONVERTING ALCOHOLS IN THE PRESENCE OF A CATALYST OF PRETREATED ZINC OXIDE TYPE - The method for catalytic conversion of alcohols according to the present invention using a zinc oxide catalyst comprises a thermal pretreatment stage in an inert and/or reducing atmosphere at a temperature of at least 100° C., prior to the reaction stage. | 11-24-2011 |
| 20110287927 | PROCESS FOR OLIGOMERIZATION OF OLEFINS THAT USES A CATALYTIC COMPOSITION THAT COMPRISES AN ORGANOMETALLIC COMPLEX THAT CONTAINS AN ALKOXY LIGAND THAT IS FUNCTIONALIZED BY A HETEROATOM - The invention describes a process for oligomerization of olefins into compounds or into a mixture of compounds of general formula CpH2p with 4≦p≦80 that employs a catalytic composition that comprises at least one organometallic complex of an element of group IV that is selected from among titanium, zirconium, or hafnium, whereby said organometallic complex contains at least one alkoxy-type ligand that is functionalized by a heteroatom that is selected from among nitrogen, oxygen, phosphorus or sulfur, or by an aromatic group. | 11-24-2011 |
| 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 |
| 20110282119 | PROCESS FOR THE PRODUCTION OF A FUEL BASE FROM AN ETHYLENE FEEDSTOCK IMPLEMENTING AT LEAST ONE OLIGOMERIZATION STAGE IN THE PRESENCE OF A HOMOGENEOUS CATALYTIC SYSTEM - This invention describes a process for the production of bases for fuels (such as diesel and/or kerosene) from a C2 ethanol feedstock, whereby said process comprises at least a first stage for oligomerization of said feedstock into at least one hydrocarbon effluent that comprises a mixture of olefins that for the most part have between 4 and 30 carbons, whereby said olefin mixture comprises a C10-C24 fraction that has a mean linearity that is greater than 60%, in the presence of a homogeneous catalytic system that comprises at least one metal precursor that is selected from among the group that is formed by titanium, zirconium, hafnium, nickel and iron, taken by themselves or in a mixture, a second stage for oligomerization of at least a portion of the effluent that is obtained from stage a), into at least one hydrocarbon effluent that comprises a mixture of olefins that for the most part have between 4 and 30 carbon atoms, with said olefin mixture comprising a C10-C24 fraction that has a mean linearity that is less than 50%, in the presence of a homogeneous catalytic system that is identical to or different from the one that is used in stage a). | 11-17-2011 |
| 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 |
| 20110275870 | REMOVABLE BASKETS CONTAINING FILTRATION PARTICLES FOR FIXED BED REACTORS - A filtration device placed upstream of a catalytic bed of a reactor functioning in downflow or upflow mode consists of a plurality of baskets containing filtration particles with a principal dimension (dp), said baskets being supported by a base plate fixed to the walls of the reactor, termed the filtration plate, the assembly of baskets covering at least the central portion of the section of the reactor, and forming a filtration bed with height Hp. Application of said filtration device to processes for hydrotreatment, selective hydrogenation or conversion of residues or hydrocarbon cuts with a boiling point higher than 120° C., preferably higher than 250° C. | 11-10-2011 |
| 20110272326 | PROCESS FOR CATALYTIC CRACKING WITH A RECYCLE OF AN OLEFINIC CUT REMOVED UPSTREAM OF THE GAS SEPARATION SECTION IN ORDER TO MAXIMIZE PROPYLENE PRODUCTION - The present invention describes a process for the production of gasoline and for the co-production of propylene employing a catalytic cracking unit having at least one principal reactor operating in riser mode or in downer mode, processing a conventional heavy feed, and in which the principal reactor further processes a feed primarily constituted by olefinic C4, C5 and C6 cuts introduced upstream or as a mixture with said heavy feed, said olefinic feed deriving from the inter-stage of the wet gas compressor, i.e. upstream of the separation section of the catalytic cracking unit. | 11-10-2011 |
| 20110263804 | PROCESS FOR THE PREPARATION OF A CATALYST COMPOSITION FOR DIMERIZATION, CODIMERIZATION AND OLIGOMERIZATION OF OLEFINS - This invention describes a process for the preparation of a catalytic composition that can be used for oligomerization, codimerization, or polymerization of olefins. This invention also describes the catalytic composition that can be obtained by said process for the preparation and its use for oligomerization, codimerization, or polymerization of olefins. | 10-27-2011 |
| 20110258980 | PROCESS FOR CO-GENERATION OF MECHANICAL-ELECTRICAL ENERGY AND HEAT - This invention relates to a process for the production of electrical or mechanical energy and heat from a liquid fuel that comprises:
| 10-27-2011 |
| 20110236954 | CELLULASE PRODUCTION METHOD BASED ON THE REGULATION OF THE DISSOLVED OXYGEN PRESSURE OSCILLATION IN THE CULTURE MEDIUM - The present invention relates to a method of producing cellulolytic and/or hemicellulolytic enzymes by a cellulolytic microorganism in a stirred and aerated bioreactor, comprising a growth stage in the presence of a carbon source and a production stage in the presence of a carbon-containing inductive substrate, wherein the supply of carbon-containing inductive substrate during the production stage is regulated by an oscillation of the dissolved oxygen partial pressure in the medium. | 09-29-2011 |
| 20110230688 | COAL CONVERSION PROCESS AND PRODUCTS, COMPRISING TWO DIRECT EBULLATED BED LIQUEFACTION STAGES AND A FIXED BED HYDROCRACKING STAGE - A process for the conversion of coal into fuel bases comprises two successive direct liquefaction stages in ebullated bed reactors followed by a fixed bed hydrocracking stage. This process can produce excellent quality fuel bases (kerosene and diesel). | 09-22-2011 |
| 20110220548 | Process for Catalytic Cracking with Fine Control of the Residual Coke Content on the Catalyst after Regeneration - This invention describes a two-stage regeneration zone that has a regenerated catalyst circuit such as the one that results from the mixing of a partially regenerated catalyst with a residual coke rate of between 0.3 and 0.7% and a totally regenerated catalyst with a coke rate that is less than 0.15%. All things being equal, this double-population regenerated catalyst enables the maximization of the LCO yield. | 09-15-2011 |
| 20110201865 | PROCESS AND DEVICE FOR SIMULATED MOVING BED SEPARATION WITH A MODULATED BY-PASS FLUID FLOW - A process for separating a feed F by simulated moving bed adsorption in a SMB device comprises at least one zone 1 for desorption of the compounds produced in the extract, a zone 2 for desorption of the compounds produced in the raffinate, a zone 3 for adsorption of the compounds produced in the extract, a zone 4 located between the raffinate withdrawal and the desorbant supply, the device comprising external by-pass lines L | 08-18-2011 |
| 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 |
| 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 |
| 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 |
| 20110178347 | DEVICE FOR CONTROLLING THE OPERATING CONDITIONS IN A CATALYTIC CRACKING UNIT WITH TWO RISERS - The invention concerns a process for the production of gasoline and for the co-production of propylene using a catalytic cracking unit comprising a catalyst regeneration zone and a reaction zone with two risers functioning in parallel under different severity conditions, the catalyst circulating between the regeneration zone and the reaction zone in two parallel circuits, a circuit termed the principal circuit comprising a first external catalyst cooling system, and a circuit termed the secondary circuit comprising a second external catalyst cooling system. | 07-21-2011 |
| 20110172482 | CATALYST BASED ON A CRYSTALLIZED MATERIAL WITH HIERARCHIZED AND ORGANIZED POROSITY AND ITS USE IN OLIGOMERIZATION OF LIGHT OLEFINS - A catalyst that comprises at least one binder and at least one crystallized material with hierarchized and organized porosity in the fields of microporosity and mesoporosity is described, whereby said crystallized material consists of at least two elementary spherical particles, each of said particles comprising a mesostructured silicon-oxide-based matrix that has a mesopore diameter of between 1.5 and 30 nm and that has microporous and crystallized walls with a thickness of between 1 and 60 nm, whereby said elementary spherical particles have a maximum diameter of 200 microns. Said catalyst is used in a process for oligomerization of an olefinic feedstock that contains hydrocarbon molecules that have 2 to 12 carbon atoms per molecule. | 07-14-2011 |
| 20110171674 | Beta-Glucosidase Variants Having Improved Activity, and Uses Thereof - The present invention relates to the expression and optimization of enzymes involved in lignocellulosic biomass decomposition. The present invention relates more particularly to beta-glucosidase variants comprising at least one modification among the amino acids located at positions 225, 238, 240 and 241, according to the numbering in SEQ ID No. 2 of | 07-14-2011 |
| 20110167713 | PROCESS FOR DIRECT HYDORLIQUEFACTION OF BIOMASS COMPRISING TWO STAGES OF EBULLATING BED HYDROCONVERSION - A process for direct hydroliquefaction of biomass selected from algae, lignocellulosic biomass and/or of one or more constituents of lignocellulosic biomass selected from the group comprising cellulose, hemicellulose and/or lignin for producing fuel bases comprising two successive hydroconversion stages under high hydrogen pressure in ebullating bed reactors. Hydroconversion takes place in the presence of a supported catalyst of the type for hydroconversion of petroleum residue and a suspension composed of the biomass and a solvent, preferably a hydrogen donor solvent and preferably recycled from the process. The biomass can undergo a pretreatment of drying and/or roasting and/or grinding and/or demineralization prior to hydroliquefaction. | 07-14-2011 |
| 20110160503 | PROCESS FOR PREPARING A SUPPORTED CATALYST BASED ON Ni AND A METAL FROM GROUP IB, FOR THE SELECTIVE HYDROGENATION OF POLYUNSATURATED HYDROCARBONS - A process is described for preparing a catalyst comprising at least one porous support and at least one metallic phase containing nickel and at least one metal M from group IB in a proportion such that the molar ratio M/Ni is in the range 0.005 to 0.5, said process comprising at least the following steps in succession:
| 06-30-2011 |
| 20110155641 | CATALYST BASED ON A CRYSTALLINE MATERIAL COMPRISING SILICON WITH A HIERARCHICAL AND ORGANIZED POROSITY, AND AN IMPROVED PROCESS FOR THE TREATMENT OF HYDROCARBON FEEDS - The present invention concerns a catalyst comprising at least one crystalline material comprising silicon with a hierarchical and organized porosity and at least one hydrodehydrogenating element selected from the group formed by elements from group VIB and/or group VIII of the periodic table of the elements. Said crystalline material comprising silicon with a hierarchical and organized porosity is constituted by at least two spherical elementary particles, each of said particles comprising a matrix based on oxide of silicon, which is mesostructured, with a mesopore diameter in the range 1.5 to 30 nm and having microporous and crystalline walls with a thickness in the range 1.5 to 60 nm, said elementary spherical particles having a maximum diameter of 200 microns. The invention also concerns hydrocracking/hydroconversion and hydrotreatment processes employing said catalyst. | 06-30-2011 |
| 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 |
| 20110144364 | METHOD OF PRODUCING ALKYL ESTERS FROM VEGETABLE OR ANIMAL OIL AND AN ALIPHATIC MONOALCOHOL WITH FIXED-BED HOT PURIFICATION - The present invention relates to a method of producing alkyl esters and glycerin from a crude or semi-refined vegetable oil and an aliphatic monoalcohol, comprising a deep pretreatment purification stage to eliminate the species based on phosphorus, calcium, magnesium, zinc or iron, insoluble under the temperature conditions of the heterogeneous catalytic reactor. | 06-16-2011 |
| 20110138680 | PROCESS FOR CONVERTING FEEDS DERIVED FROM RENEWABLE SOURCES WITH PRE-TREATMENT OF FEEDS BY HOT DEPHOSPHATATION - The invention concerns a process for the pre-treatment of an unrefined vegetable or animal oil, consisting of passing said oil through a reactor comprising at least one fixed bed of at least one adsorbent comprising a porous refractory oxide which is free of catalytic metals, at a temperature in the range 130° C. to 320° C., at a pressure in the range 0.1 to 7 MPa and with a residence time for said oil on said fixed bed in the range 0.1 to 1 hour. The invention concerns a process for pre-treatment of a semi-refined vegetable or animal oil, integrated upstream of a hydrotreatment step for the production of green gas oil. | 06-16-2011 |
| 20110137100 | OLEFIN OLIGOMERIZATION METHOD INVOLVING A CATALYTIC SYSTEM BASED ON ORGANOMETALLIC COMPLEXES AND A POROUS SOLID - The present invention relates to a method of oligomerizing olefins M selectively to oligomers M | 06-09-2011 |
| 20110124936 | PROCEDE DOLIGOMERISATION DES OLEFINS USING LEGERES UTILISANT UN CATALYSEUR A BASE D'UN MATERIAU AMORPHE A POROSITE HIERARCHISEE - A process for oligomerization of an olefinic feedstock that contains olefinic hydrocarbon molecules that have 2 to 10 carbon atoms per molecule is described, whereby said process comprises bringing said feedstock into contact with a catalyst that comprises at least one amorphous material with hierarchized and organized porosity and consists of at least two elementary spherical particles, each of said particles comprising a mesostructured silicon-oxide-based matrix that has a mesopore diameter of between 1.5 and 30 nm and that exhibits amorphous and microporous walls with a thickness of between 1 and 50 nm, whereby said elementary spherical particles have a maximum diameter of 200 microns. | 05-26-2011 |
| 20110123410 | COMPACT DEVICE FOR MIXING FLUIDS IN A DOWNFLOW REACTOR - A compact device for mixing fluids in a downflow reactor comprising at least one substantially horizontal gathering device provided with a vertical gathering line intended to receive the fluids, at least one injection device arranged in the gathering line, an annular mixing chamber located downstream from the gathering means in the direction of circulation of the fluids, the mixing chamber comprising an inlet end directly connected to the gathering line and an outlet end for passage of the fluids, and a horizontal predistribution plate comprising at least one chimney, the plate being located downstream from the mixing chamber at a distance d | 05-26-2011 |
| 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 |
| 20110114538 | PROCESS FOR THE PRODUCTION OF HIGH-QUALITY KEROSENE AND DIESEL FUELS FOR THE COPRODUCTION OF HYDROGEN FROM SATURATED LIGHT CUTS - Process mainly for the production of high-quality kerosene and diesel fuels and for the coproduction of hydrogen from a so-called light naphtha cut to which any quantity of LPG cut can be added, employing the following successive stages: dehydrogenation of the paraffins, oligomerization of the olefins and hydrogenation of the oligomerized olefins, the process permitting the production of kerosene and diesel fuels meeting market specifications, or even improved relative to the latter. | 05-19-2011 |
| 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 |
| 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 |
| 20110105313 | USE OF SULPHUR-CONTAINING SUPPORTS FOR CATALYTIC REFORMING - The invention concerns a process for preparing a catalyst comprising at least one metal from group VIII, rhenium or iridium and a sulphur-containing support, said catalyst having a sodium content which is strictly less than 50 ppm by weight and a sulphur content in the range 1500 to 3000 ppm by weight. The invention also concerns the use of said catalyst in a catalytic reforming reaction. | 05-05-2011 |
| 20110098497 | NOVEL COMPLEXES AND METHOD FOR SYNTHESIS OF GROUP 6 ORGANOMETALLICS GRAFTED ON ANIONS, AND USE THEREOF IN AN OLEFIN METATHESIS METHOD - Novel group 6 organometallic compounds, supported on anions by means of at least one covalent metal-oxygen bond, are obtained by reaction of at least one borate or aluminate comprising at least one hydroxy group with at least one compound of a group 6 transition metal. These compounds are used in a catalytic composition utilized in an olefin metathesis method. | 04-28-2011 |
| 20110098496 | NOVEL COMPLEXES AND METHOD FOR SYNTHESIS OF GROUP 6 ORGANOMETALLICS, AND USE THEREOF IN AN OLEFIN METATHESIS METHOD - Novel group 6 organometallic compounds are obtained by reaction of at least one boron compound comprising at least one hydroxy, sulfhydryl or amino function with at least one compound of a group 6 transition metal. These compounds are used in a catalytic composition utilized in an olefin metathesis method. | 04-28-2011 |
| 20110098494 | METHOD OF HYDROTREATING FEEDS FROM RENEWABLE SOURCES WITH INDIRECT HEATING USING A CATALYST BASED ON NICKEL AND MOLYBDENUM HAVING A PARTICULAR ATOMIC RATIO - The invention describes a method of treating feeds from renewable sources comprising a hydrotreatment stage comprising at least two catalytic zones in which the entry stream comprising said feed mixed with at least a part of a hydrotreated liquid effluent from stage b) is introduced into the first catalytic zone at a temperature comprised between 150 and 260° C., and the effluent from the first catalytic zone is then introduced, mixed with at least a part of a hydrotreated liquid effluent from stage b) and preheated, into the following catalytic zone or zones at a temperature comprised between 260 and 320° C., and a stage of separation of the effluent from the hydrotreatment stage permitting the separation of a gaseous effluent and a hydrotreated liquid effluent of which at least a part is recycled at the top of each catalytic zone, said method using, in at least the catalytic zone or zones following the first, a bulk or supported catalyst comprising an active phase constituted by at least one group VIB element and at least one group VIII element, said elements being in sulphide form and the atomic ratio of the group VIII metal to the group VIB metal being strictly greater than 0 and less than 0.095. | 04-28-2011 |
| 20110094938 | PROCESS FOR THE CONVERSION OF RESIDUE INTEGRATING MOVING-BED TECHNOLOGY AND EBULLATING-BED TECHNOLOGY - The invention describes a process for the conversion of heavy carbon-containing fractions having an initial boiling point of at least 300° C. to upgradable lighter products, said process comprising passage of said feed through a hydrorefining reaction zone comprising at least one moving-bed reactor, and passage of at least a portion of the effluent from stage a) through a hydroconversion reaction zone comprising at least one three-phase reactor, in the presence of hydrogen, said reactor containing at least one hydroconversion catalyst and operating in ebullating-bed mode, with an ascending current of liquid and gas and comprising at least one means of withdrawing said catalyst out of said reactor and at least one means of adding fresh catalyst into said reactor, under conditions making it possible to obtain a liquid feed with a reduced content of Conradson carbon, metals, sulphur and nitrogen. | 04-28-2011 |
| 20110094149 | METHOD OF HYDROTREATING FEEDS FROM RENEWABLE SOURCES WITH INDIRECT HEATING USING A CATALYST BASED ON MOLYBDENUM - The invention describes a method of treating feeds from renewable sources comprising a hydrotreatment stage comprising at least two catalytic zones in which the entry stream comprising said feed mixed with at least a part of a hydrotreated liquid effluent from stage b) is introduced into the first catalytic zone at a temperature comprised between 150 and 260° C., and the effluent from the first catalytic zone is then introduced, mixed with at least a part of a hydrotreated liquid effluent from stage b) and preheated, into the following catalytic zone or zones at a temperature comprised between 260 and 320° C., and a stage of separation of the effluent from the hydrotreatment stage permitting the separation of a gaseous effluent and a hydrotreated liquid effluent of which at least a part is recycled at the top of each catalytic zone, said method using, in at least the catalytic zone or zones following the first, a bulk or supported catalyst comprising an active phase constituted by a sulphidized group VIB element, the group VIB element being molybdenum. | 04-28-2011 |
| 20110094148 | METHOD OF HYDROTREATING FEEDS FROM RENEWABLE SOURCES WITH INDIRECT HEATING - The invention describes a method of treating feeds from renewable sources comprising:
| 04-28-2011 |
| 20110092730 | HETEROGENEOUS CATALYST OF THE ZINC ALUMINATE SPINEL TYPE SURSTOICHIOMETRIC IN ZINC AND USE THEREOF IN A PROCESS FOR PREPARATION OF ALCOHOL ESTERS FROM TRIGLYCERIDES AND ALCOHOLS - A catalyst with a mixed zinc and aluminium oxide base having a spinel structure surstoichiometric in zinc, in which part of the Zn atoms are in the octahedral position, a process for preparation of the same and use of the same in a process for preparation of a compound of linear monocarboxylic acid alcohol esters with 6-26 carbon atoms from a vegetable or animal oil, neutral or acid, virgin or recycled, with monoalcohols of 1-18 carbon atoms allowing an ester that can be used as a motor fuel or a heating fuel and a pure glycerine to be obtained directly in one or more steps, | 04-21-2011 |
| 20110087059 | PROCESS FOR HYDROTREATMENT AND HYDROISOMERIZATION OF FEEDSTOCKS OBTAINED FROM A RENEWABLE SOURCE IMPLEMENTING A MODIFIED ZEOLITE - This invention describes a process for treatment of feedstocks obtained from a renewable source implementing 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 zeolite that has at least one series of channels whose opening is defined by a ring with 8 oxygen atoms modified by a) at least one stage for introducing at least one alkaline cation that belongs to group IA or IIA of the periodic table, b) a stage for treating said zeolite in the presence of at least one molecular compound that contains at least one silicon atom, c) at least one stage of partial exchange of said alkaline cations by NH | 04-14-2011 |
| 20110084001 | METHOD OF OLIGOMERIZATION OF AN OLEFINIC HYDROCARBON FEED USING A CATALYST BASED ON A MACROPOROUS SILICA-ALUMINA - A method of oligomerization of an olefinic hydrocarbon feed is described, consisting of contacting said feed with at least one catalyst comprising at least one silica-alumina, the silica content by weight of said catalyst being between 5 and 95 wt. % and the porosity of said silica-alumina when formed being such that:
| 04-14-2011 |
| 20110083999 | HYDROCRACKING METHOD USING A MODIFIED ZEOLITE - The present invention describes a method for hydrocracking and/or hydrotreating hydrocarbon-containing feeds using a catalyst comprising at least one hydro-dehydrogenizing metal selected from the group made up of group VIB and non-noble group VIII metals of the periodic table and a support comprising at least one zeolite having at least pore openings containing 12 oxygen atoms, modified by a) at least a stage of introducing at least one alkaline cation belonging to groups IA or IIA of the periodic table, b) a stage of treating said zeolite in the presence of at least one molecular compound containing at least one silicon atom, c) at least one stage of partial exchange of said alkaline cations by NH | 04-14-2011 |
| 20110083769 | DEVICE FOR LOADING PARTICLES OF CATATLYST INTO TUBES HAVING AN ANNULAR ZONE - A device and method to load particles of catalyst on the order of cm in the principal dimension into an annular zone of reaction tubes which may reach a height of more than 10 metres, while satisfying the strict conditions of homogeneity and density of loading. | 04-14-2011 |
| 20110073522 | CATALYST BASED ON AN AMORPHOUS MATERIAL COMPRISING SILICON WITH A HIERARCHICAL AND ORGANIZED POROSITY, AND AN IMPROVED PROCESS FOR THE TREATMENT OF HYDROCARBON FEEDS - The present invention concerns a catalyst comprising at least one amorphous material comprising silicon with a hierarchical and organized porosity and at least one hydrodehydrogenating element selected from the group formed by elements from group VIB and/or group VIII of the periodic table of the elements. Said amorphous material comprising silicon with a hierarchical and organized porosity is constituted by at least two spherical elementary particles, each of said spherical particles comprising a matrix based on oxide of silicon, which is mesostructured, with a mesopore diameter in the range 1.5 to 30 nm and having amorphous and microporous walls with a thickness in the range 1.5 to 50 nm, said elementary spherical particles having a maximum diameter of 200 microns. The invention also concerns hydrocracking/hydroconversion and hydrotreatment processes employing said catalyst. | 03-31-2011 |
| 20110071333 | PROCESS FOR NEUTRALIZATION OF A CATIONIC ZEOLITE - The invention relates to a process for neutralization of a cationic zeolite that is at least partially exchanged with one or more monovalent and/or multivalent cations. The neutralization process comprises at least the stages for dissolution of a basic salt in an anhydrous organic solvent, degassing this solution by bubbling a dry inert gas, suspending the zeolite in this solution under dry inert gas, filtering and washing the solid by an anhydrous organic solvent, and calcination in the presence of oxygen and under a dry gaseous stream. The invention also relates to the use of neutralized zeolites for the separation or the purification of hydrocarbon feedstocks. | 03-24-2011 |
| 20110065942 | PROCESS FOR PREPARING ESTERS OF ALCOHOLS AND GLYCERIN FROM TRIGLYCERIDES AND ALCOHOLS USING A HETEROGENEOUS CATALYST IN THE PRESENCE OF A CONTROLLED QUANTITY OF WATER - A process for preparing a composition of alcoholic esters of straight chain monocarboxylic acids containing 6 to 26 carbon atoms and glycerin, starting from a vegetable or animal oil, neutral or acidic, virgin or recycled with mono-alcohols containing 1 to 18 atoms, in the presence of a zinc aluminate catalyst and in the presence of a controlled quantity of water, can directly produce, in one or more steps, an ester which can be used as a propellant or fuel along with glycerin having improved purity containing a reduced quantity of ethers by using a partially dried catalyst. | 03-17-2011 |
| 20110034750 | PROCESS FOR THE PRODUCTION OF LIGHT OLEFINS FROM ETHANOL IN THE PRESENCE OF A MACROPOROUS CATALYST THAT COMES IN THE FORM OF BALLS - A process for the production of C3-C6 light olefins from ethanol is described, and said process comprises at least the passage of a feedstock that contains ethanol into at least one reaction unit that is provided with at least one catalyst that comes in the form of spherical balls with a diameter of between 1 and 3 mm, each of said spherical balls comprising at least one zeolite and at least one alumina-based substrate and having a pore distribution such that the macropore volume that is measured by mercury porosimetry is between 0.10 and 0.20 ml/g and the mesopore volume that is measured by mercury porosimetry is between 0.25 and 0.35 ml/g. | 02-10-2011 |
| 20100324346 | SELECTIVE HYDROGENATION CATALYST, AND PROCESS FOR ITS PREPARATION - The invention concerns a catalyst comprising nickel on an aluminium oxide support. The aluminium oxide support has, in the calcined state, a diffractogram obtained by X ray diffractometry comprising peaks which correspond to the following interplanar spacings and relative intensities: | 12-23-2010 |
