Patent application number | Description | Published |
20090318738 | SELECTIVE HYDROGENATION CATALYST AND PROCESS FOR ITS PREPARATION - The invention concerns a catalyst comprising palladium on an oxide of aluminium support. In the calcined state, the oxide of aluminium support has a diffractogram obtained by X ray diffraction comprising peaks which correspond to the following interplanar spacings and relative intensities: | 12-24-2009 |
20100010278 | PROCESS FOR SELECTIVE HYDROGENATION ON A GOLD-CONTAINING CATALYST - The invention relates to a process for selective hydrogenation by bringing a so-called C2 fraction feedstock into contact with a fixed catalyst bed, whereby said catalyst comprises a substrate and a metal phase that consists of either gold or palladium and gold with a molar ratio of gold to palladium of greater than 5, whereby the contact is carried out in the presence of a solvent that comprises at least one aromatic hydrocarbon, whereby the products that are obtained at the end of the selective hydrogenation can be separated from the solvent by distillation. | 01-14-2010 |
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 |
20100236986 | CATALYST COMPRISING PALLADIUM AND ITS APPLICATION IN SELECTIVE HYDROGENATION - The invention concerns a catalyst comprising a porous support, palladium, at least one metal selected from the group constituted by alkalis and alkaline-earths, in which:
| 09-23-2010 |
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 |
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 |
20110166398 | PROCESS FOR PREPARING A Ni/Sn SUPPORTED CATALYST 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 tin in a proportion such that the Sn/Ni molar ratio is in the range 0.01 to 0.2, said process comprising at least the following steps in succession:
| 07-07-2011 |
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 |
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 |