Abstract: The present invention relates to the field of solid materials for the adsorption of lithium. In particular, the present invention relates to a new method for the preparation of a crystallized and shaped solid material, preferably in extruded form, of the formula (LiCl)x.2Al(OH)3,nH2O, wherein n is between 0.01 and 10, x is between 0.4 and 1, wherein it comprises a step a) of precipitation of boehmite under specific temperature and pH conditions, a step of bringing into contact the precipitate obtained with LiCl, at least one acid extrusion-kneading shaping step, wherein the method also comprises a final hydrothermal treatment step, all of which makes it possible to increase the lithium adsorption capacity, the adsorption kinetics, as well as the lithium/boron selectivity of the materials obtained with respect to the materials of the prior art, when it is used in a lithium extraction method of saline solutions.

Abstract: A catalyst containing an active phase comprising at least one metal of group VIIIB selected from cobalt, nickel, ruthenium and iron deposited on a support containing silica, alumina and at least one simple spinel MAl2O4 or mixed spinel MxM?(1-x)Al2O4) which is or is not partial, wherein M and M? are separate metals selected from the group formed by magnesium, copper, cobalt, nickel, tin, zinc, lithium, calcium, caesium, sodium, potassium, iron and manganese, and wherein x is between 0 and 1, the values 0 and 1 being themselves excluded, characterised in that said active phase further comprises boron, the boron content being between 0.001% and 0.5% by weight with respect to the total weight of the catalyst, the value 0.5 being itself excluded.

Abstract: The present invention relates to the field of solid materials for the adsorption of lithium. In particular, the present invention relates to a new method for the preparation of a crystallized and shaped solid material, preferably in extruded form, of the formula (LiCl)x.2Al(OH)3,nH2O, wherein n is between 0.01 and 10, x is between 0.4 and 1, wherein it comprises a step a) of precipitation of boehmite under specific temperature and pH conditions, a step of bringing into contact the precipitate obtained with LiCl, at least one acid extrusion-kneading shaping step, wherein the method also comprises a final hydrothermal treatment step, all of which makes it possible to increase the lithium adsorption capacity, the adsorption kinetics, as well as the lithium/boron selectivity of the materials obtained with respect to the materials of the prior art, when it is used in a lithium extraction method of saline solutions.

Abstract: A process for the hydrotreatment of a hydrocarbon feedstock in which: a) at least one hydrotreatment step is implemented in which at least a part of said feedstock and a gaseous flow comprising hydrogen is brought into contact with a hydrotreatment catalyst to obtain a hydrotreated effluent comprising hydrogen, and sulphurous and nitrogenous compounds; b) the hydrotreated effluent is separated to obtain a first gaseous effluent and a first liquid effluent; c) the first liquid effluent is expanded and the first liquid effluent is separated to obtain a second gaseous effluent and a second liquid effluent; d) the second gaseous effluent is cooled and separated to obtain a third gaseous effluent and a third liquid effluent; and e) a part of the third gaseous effluent is recycled.

Abstract: A catalyst containing an active phase comprising at least one metal of group VIIIB selected from cobalt, nickel, ruthenium and iron deposited on a support containing silica, alumina and at least one simple spinel MAl2O4 or mixed spinel MxM?(1?x)Al2O4) which is or is not partial, wherein M and M? are separate metals selected from the group formed by magnesium, copper, cobalt, nickel, tin, zinc, lithium, calcium, caesium, sodium, potassium, iron and manganese, and wherein x is between 0 and 1, the values 0 and 1 being themselves excluded, characterised in that said active phase further comprises boron, the boron content being between 0.001% and 0.5% by weight with respect to the total weight of the catalyst, the value 0.5 being itself excluded.

Abstract: A laser device is provided for generating an optical wave at a laser frequency, including (i) a semiconductor element having a gain region with quantum wells, the gain region being located between a first mirror and an exit region defining an optical microcavity, (ii) a second mirror distinct from the semiconductor element and arranged so as to form with the first mirror an external optical cavity including the gain region, (iii) a pump for pumping the gain region so as to generate the optical wave, wherein the optical microcavity with the gain region and the external optical cavity are arranged so that a spectral ratio between the Half Width Half Maximum (HWHM) spectral bandwidth of the modal gain and a free spectral range of the external cavity in the range of 2 to 50.

Abstract: A laser device is provided for generating an optical wave at a laser frequency, including (i) a semiconductor element having a gain region with quantum wells, the gain region being located between a first mirror and an exit region defining an optical microcavity, (ii) a second mirror distinct from the semiconductor element and arranged so as to form with the first mirror an external optical cavity including the gain region, (iii) a pump for pumping the gain region so as to generate the optical wave, wherein the optical microcavity with the gain region and the external optical cavity are arranged so that a spectral ratio between the Half Width Half Maximum (HWHM) spectral bandwidth of the modal gain and a free spectral range of the external cavity in the range of 2 to 50.

Abstract: A crystallized hybrid solid with an organic-inorganic matrix, of three-dimensional structure, containing an inorganic network of zinc-based metal centers connected to one another by organic ligands constituted by the entities —O2C—C6H3—N3—CO2— and C6H12N2. Said solid is called DMOF-1-N3, and has Zn2(—O2C—C6H3—N3—CO2—)2(C6H12N2) for its base pattern.

Abstract: A process for the hydrotreatment of a hydrocarbon feedstock in which: a) at least one hydrotreatment step is implemented in which at least a part of said feedstock and a gaseous flow comprising hydrogen is brought into contact with a hydrotreatment catalyst to obtain a hydrotreated effluent comprising hydrogen, and sulphurous and nitrogenous compounds; b) the hydrotreated effluent is separated to obtain a first gaseous effluent and a first liquid effluent; c) the first liquid effluent is expanded and the first liquid effluent is separated to obtain a second gaseous effluent and a second liquid effluent; d) the second gaseous effluent is cooled and separated to obtain a third gaseous effluent and a third liquid effluent; and e) a part of the third gaseous effluent is recycled.

Abstract: The present invention describes a Fischer-Tropsch process for synthesis of hydrocarbons comprising contacting a charge comprising synthesis gas under Fischer-Tropsch synthesis operating conditions with at least one catalyst containing an active phase comprising at least one metal of group VIIIB selected from cobalt, nickel, ruthenium and iron deposited on an oxides support comprising alumina, silica and phosphorus, said oxides support not containing any spinel phase. The catalyst has an improved hydrothermal and mechanical resistance in a Fischer-Tropsch process while improving its catalytic performances.

Abstract: The present invention describes a catalyst containing an active phase comprising at least one metal of group VIIIB selected from cobalt, nickel, ruthenium and iron deposited on an oxides support comprising alumina, silica, a spinel and phosphorus. It also concerns the process for preparation of said catalyst and its use in a Fischer-Tropsch process. The catalyst has an improved hydrothermal and mechanical resistance in a Fischer-Tropsch process while improving its catalytic performances.

Abstract: The invention describes a crystallized hybrid solid with an organic-inorganic matrix, of a three-dimensional structure, containing an inorganic network of indium-based metal centers that are connected to one another by organic ligands that consist of the entity —O2C—C6H3—N3—CO2—. Said solid is called IHM-2-N3 and has an X-ray diffraction diagram as given below.

Abstract: The invention describes a crystallized hybrid solid with an organic-inorganic matrix, of a three-dimensional structure, containing an inorganic network of aluminum-based metal centers that are connected to one another by organic ligands that consist of the entity —O2C—C6H3—N3—CO2—. Said solid is called MIL-53-Al—N3 and has an X-ray diffraction diagram as given below.

Abstract: The present invention describes a Fischer-Tropsch process for synthesis of hydrocarbons comprising contacting a charge comprising synthesis gas under Fischer-Tropsch synthesis operating conditions with at least one catalyst containing an active phase comprising at least one metal of group VIIIB selected from cobalt, nickel, ruthenium and iron deposited on an oxides support comprising alumina, silica and phosphorus, said oxides support not containing any spinel phase. The catalyst has an improved hydrothermal and mechanical resistance in a Fischer-Tropsch process while improving its catalytic performances.

Abstract: The present invention describes a catalyst containing an active phase comprising at least one metal of group VIIIB selected from cobalt, nickel, ruthenium and iron deposited on an oxides support comprising alumina, silica, a spinel and phosphorus. It also concerns the process for preparation of said catalyst and its use in a Fischer-Tropsch process. The catalyst has an improved hydrothermal and mechanical resistance in a Fischer-Tropsch process while improving its catalytic performances.

Abstract: The invention describes a crystallized hybrid solid with an organic-inorganic matrix, of a three-dimensional structure, containing an inorganic network of aluminum-based metal centers that are connected to one another by organic ligands that consist of the entity —O2C—C6H3—N3—CO2—. Said solid is called CAU-1-N3 and has an X-ray diffraction diagram as given below.

Abstract: The invention relates to a process for synthesising hydrocarbons starting from a feedstock containing synthesis gas. In the process a solid Fischer-Tropsch catalyst is employed in a three-phase reaction section operated so that the catalyst is maintained in suspension in a liquid phase by the circulation of a gaseous phase from the bottom to the top of the reaction section. The process utilizes conditions to control and maintain the homogeneity of the concentration of catalyst particles in the reaction section.

Abstract: A process is described for the preparation of a functionalized hybrid solid with an organic-inorganic matrix, crystallized, bearing at least one reactive group based on a triazole ring, from a hybrid solid with an organic-inorganic matrix, MOF—NH2, comprising: i/ introduction, in a polar solvent S1, of said crystallized hybrid solid MOF—NH2, of at least one organic compound Q containing a nitride function N3 and at least one intermediate reagent R containing a nitrite function NO2, ii/ reaction of said reaction mixture, iii/ introduction in the reaction mixture of at least one reagent A bearing an alkyne function or an activated cyanide function, at least one Cu-based catalyst C and at least one polar solvent S2, iv/ reaction of said reaction mixture, v/ filtration and then washing and vi/ drying of said crystallized functionalized hybrid solid.

Abstract: 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: XO2: aY2O3: bMnO, in which X represents at least one tetravalent element, Y represents at least one trivalent element and M is at least one alkali metal and/or alkaline-earth metal, a and b respectively representing the number of moles of Y2O3 and MnO; and a is in the range 0.001 to 0.5, b is in the range 0 to 1 and n is in the range 1 to 2. Said catalyst is used in various processes for the transformation of hydrocarbon feeds.

Abstract: The invention relates to a process for synthesising hydrocarbons starting from a feedstock containing synthesis gas. In the process a solid Fischer-Tropsch catalyst is employed in a three-phase reaction section operated so that the catalyst is maintained in suspension in a liquid phase by the circulation of a gaseous phase from the bottom to the top of the reaction section. The process utilizes conditions to control and maintain the homogeneity of the concentration of catalyst particles in the reaction section.