Patent application number | Description | Published |
20080221376 | PROCESS FOR ISOMERIZING AROMATIC C8 COMPOUNDS IN THE PRESENCE OF A CATALYST COMPRISING A MODIFIED EUO ZEOLITE - A process for isomerizing a feed comprising at least one aromatic compound containing eight carbon atoms per molecule is carried out in the presence of a catalyst comprising at least one modified zeolite with structure type EUO, at least one binder and at least one metal from group VIII of the periodic table, said catalyst having been prepared using a process which comprises the following in succession:
| 09-11-2008 |
20080275281 | Process for Isomerizing an Aromatic C8 cut in the presence of a catalyst based on a Dealuminated Euo Zeolite - A process is described for isomerising an aromatic cut containing at least one aromatic compound containing eight carbon atoms per molecule, comprising bringing said cut into contact with a catalyst containing a zeolite with structure type EUO, said catalyst having been prepared using a process comprising at least the following steps:
| 11-06-2008 |
20080281138 | MODIFIED EU-1 ZEOLITE AND ITS USE IN THE ISOMERIZATION OF AROMATIC C8 COMPOUNDS - A catalyst is described which comprises at least one modified EU-1 zeolite containing silicon atoms and aluminium atoms, at least one matrix and at least one metal from group VIII of the periodic table of the elements, the modified zeolite having a number of hexacoordinated aluminium atoms representing more than 20% by weight of the total number of aluminium atoms present in said modified EU-1 zeolite. Said catalyst is used in a process for the isomerization of an aromatic feed comprising at least one compound containing eight carbon atoms per molecule. | 11-13-2008 |
20090062583 | PROCESS FOR THE PRODUCTION OF PHENYLALKANES THAT USES AT LEAST TWO ALKYLATION REACTORS IN PARALLEL - A process for the production of phenylalkanes comprising at least two catalytic alkylation reactors placed in parallel among which are present in reaction zones that each contain at least one acidic solid catalyst, whereby n is greater than or equal to 2, is described. One of the reactors carries out the alkylation of at least one aromatic compound by at least one olefin that has 9 to 16 atoms. An olefin fraction is introduced at the inlet of each of the reaction zones of the reactor that operates in alkylation mode. While one of the reactors carries out the alkylation, the other reactor carries out the reactivation of each catalyst, partially deactivated, that it contains. The functions of each reactor are switched regularly so as to limit the deactivation of catalysts in each of the reactors. | 03-05-2009 |
20090062585 | PREPARATION OF A POROUS COMPOSITE MATERIAL BASED ON EU-1 ZEOLITE AND ITS IMPLEMENTATION IN THE ISOMERIZATION OF C8 AROMATICS - A preparation process is described for a porous composite material formed from an amorphous core based on at least one silicon oxide on which crystals of EU-1 zeolite are dispersed, said process comprising 1) the impregnation of a solid comprising a silicon oxide and an aluminium oxide with an aqueous solution comprising a hexamethonium cation, 2) the hydrothermal treatment, implemented in an autoclave of volume V (ml) under steam and at a temperature T comprised between 120 and 220° C., of said solid from stage 1), the quantity of water introduced beforehand into said autoclave being strictly greater than a volumetric quantity equal to V*[23.48*10 | 03-05-2009 |
20090093661 | CATALYST COMPRISING AN EUO ZEOLITE, A 10 MR ZEOLITE AND A 12 MR ZEOLITE, AND ITS USE IN ISOMERIZING AROMATIC C8 COMPOUNDS - A catalyst is described which comprises at least one zeolite with structure type EUO, at least one zeolite having channels the opening to which is defined by a ring of 10 oxygen atoms (10 MR), at least one zeolite having channels the opening to which is defined by a ring of 12 oxygen atoms (12 MR) and at least one porous mineral matrix. Said catalyst optionally also contains at least one group VIII metal. The catalyst of the invention is used in a process for isomerizing a feed comprising aromatic compounds containing 8 carbon atoms per molecule. | 04-09-2009 |
20090192031 | IZM-1 CRYSTALLINE SOLID AND A PROCESS FOR ITS PREPARATION - The invention concerns a crystalline solid designated IZM-1, which has the X ray diffraction diagram given below. Said solid has a chemical composition, expressed as the anhydrous base in terms of moles of oxides by the formula XO | 07-30-2009 |
20090299115 | DUAL ZEOLITE CATALYST COMPRISING A GROUP VIII METAL AND A GROUP IIIA METAL, AND ITS USE IN ISOMERIZATION OF AROMATIC C8 COMPOUNDS - A catalyst is described which comprises at least one zeolite with structure type EUO, at least one zeolite selected from IM-5 zeolite and zeolites with structure type MFI, MOR, BEA and MTW, at least one group VIII metal, at least one group IIIA metal and at least one porous mineral matrix. The catalyst of the invention is used in a process for isomerizing a feed comprising aromatic compounds containing 8 carbon atoms per molecule. | 12-03-2009 |
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 |
20100041935 | USE OF A CATALYST BASED ON ITQ-6 ZEOLITE TO ISOMERIZE AN AROMATIC C8 CUT - A process for isomerizing an aromatic C8 cut uses a catalyst which comprises:
| 02-18-2010 |
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 |
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 |
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 |
20110268640 | PROCESS FOR THE PREPARATION OF MAGADIITE OR KENYAITE FROM AN ORGANIC STRUCTURING AGENT COMPRISING TWO TERMINAL ALCOHOL FUNCTIONS - Described is a process for the preparation of a crystallised lamellar solid formed by magadiite consisting of implementing in a step (i) mixing of at least one silica source, at least one salt of N,N,N′,N′-tetramethyl-N,N′-dibenzyloctanediammonium, at least one alkali and/or alkaline earth metal M and water and then implementing in a step (ii) hydrothermal treatment of said mixture until said crystallised lamellar solid constituted by magadiite is formed. | 11-03-2011 |