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 |
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 |
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 |
20100036182 | PROCESS OF DIRECT CONVERSION OF A CHARGE COMPRISING OLEFINS WITH FOUR AND/OR FIVE CARBON ATOMS, FOR THE PRODUCTION OF PROPYLENE WITH CO-PRODUCTION OF GASOLINE - The invention relates to a process for production of propylene from a C4/C5 olefin cut (for example from steam cracking and/or catalytic cracking), this process comprising an optional selective hydrogenation, a selective oligomerization of the isobutenes and an oligocracking of the n-butenes. | 02-11-2010 |
20100048389 | BIMETALLIC OR MULTI-METALLIC CATALYST THAT HAS AN OPTIMIZED BIMETALLICITY INDEX AND AN OPTIMIZED HYDROGEN ADSORPTION CAPACITY - The invention relates to a catalyst that comprises a metal M from the group of platinum, at least one promoter X1 that is selected from the group that consists of tin, germanium, and lead, and optionally at least one promoter X2 that is selected from the group that consists of gallium, indium and thallium, a halogenated compound and a porous substrate, in which the atomic ratio X1/M and optionally X2/M is between 0.3 and 8, the H | 02-25-2010 |
20100168493 | PROCESS FOR DEHYDROGENATION IN THE PRESENCE OF A BIMETALLIC OR MULTI-METALLIC CATALYST THAT HAS AN OPTIMIZED BIMETALLICITY INDEX AND AN OPTIMIZED HYDROGEN ADSORPTION CAPACITY - The invention relates to a process for dehydrogenation of a hydrocarbon feedstock in the presence of a catalyst that comprises a noble metal M that is selected from the group that consists of platinum, palladium, rhodium, and iridium, at least one promoter X1 that is selected from the group that consists of tin, germanium, and lead, and optionally a promoter X2 that is selected from the group that consists of gallium, indium and thallium, an alkaline or alkaline-earth compound and a porous substrate, in which the atomic ratio X1/M and optionally X2/M is between 0.3 and 8, the H | 07-01-2010 |
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 |
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 |
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 |
20120178979 | METHOD FOR PREPARING A MULTI-METAL CATALYST HAVING AN OPTIMIZED SITE PROXIMITY - The invention concerns a process for preparing a catalyst comprising at least one metal M from the platinum group, 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. The promoter or promoters X1 and the phosphorus are introduced during one or more sub-steps a1) or a2), the sub-step a1) corresponding to synthesis of the precursor of the main oxide and sub-step a2) corresponding to shaping the support. The tin is introduced during at least one of sub-steps a1) and a2). The product is dried and calcined before depositing at least one metal M from the platinum group. The ensemble is then dried in a stream of neutral gas or a stream of gas containing oxygen, and then is dried. The invention also concerns the use of a catalyst obtained by said process in catalytic reforming or aromatics production reactions. | 07-12-2012 |
20140357471 | METHOD FOR MANUFACTURING OF SPHEROIDAL ALUMINA PARTICLES - The present invention concerns spheroidal alumina particles, catalysts comprising such particles as a support and a process for the production of spheroidal alumina particles, comprising the following steps:
| 12-04-2014 |