Abstract: A catalyst which comprises an amorphous support based on alumina, a C1-C4 dialkyl succinate, citric acid and optionally acetic acid, phosphorus and a hydrodehydrogenating function comprising at least one element from group VIII and at least one element from group VIB; the most intense bands comprised in the Raman spectrum of the catalyst are characteristic of Keggin heteropolyanions (974 and/or 990 cm?1), C1-C4 dialkyl succinate and citric acid (in particular 785 and 956 cm?1). Also a process for preparing said catalyst in which a catalytic precursor in the dried, calcined or regenerated state containing the elements of the hydrodehydrogenating function, and optionally phosphorus, is impregnated with an impregnation solution comprising at least one C1-C4 dialkyl succinate, citric acid and optionally at least one compound of phosphorus and optionally acetic acid, and is then dried. Further, the use of said catalyst in any hydrotreatment process.

Abstract: A process for the preparation of a catalyst from a catalytic precursor comprising a support based on alumina and/or silica-alumina and/or zeolite and comprising at least one element of group VIB and optionally at least one element of group VIII, by impregnation of said precursor with a solution of a C1-C4 dialkyl succinate. An impregnation step for impregnation of said precursor which is dried, calcined or regenerated, with at least one solution containing at least one carboxylic acid other than acetic acid, then maturing and drying at a temperature less than or equal to 200° C., optionally a heat treatment at a temperature lower than 350° C., followed by an impregnation step with a solution containing at least one C1-C4 dialkyl succinate followed by maturing and drying at a temperature less than 200° C. without subsequent calcination step. The catalyst is used in hydrotreatment and/or hydroconversion.

Abstract: The present invention pertains to novel core-shell particles comprising a core of alumina and a shell of cobalt oxide, characterized in that they are spherical with a number average diameter, as measured by TEM, of between 10 and 30 nm. This invention also pertains to the method for preparing these core-shell particles and to their uses in the manufacture of a catalyst.

Abstract: Modified alkylphenol-aldehyde resins include one or more alkylamines, having preferably at least one primary amine type group as well as their use for improving the flow properties of motor fuels and hydrocarbon fuels, such as in particular jet fuel, gas oil, fuel oil domestic, heavy fuel oil.

Abstract: The invention relates to the use, in a hydrocarbon distillate with a boiling temperature of between 150 and 450° C. and a crystallization onset temperature as measured by Differential calorimetric Analysis of greater than or equal to ?50° C., preferably of ?5° C. to +10° C., of a homopolymer obtained from an olefinic ester of carboxylic acid of 3 to 12 carbon atoms and from a fatty alcohol containing a chain of more than 16 carbon atoms and optionally an olefinic double bond, as a compound for revealing the efficiency of filterability additives based on copolymer and/or terpolymers of ethylene and of vinyl ester of a carboxylic acid of 3 to 12 carbon atoms, and of a monoalcohol containing 1 to 10 carbon atoms. The invention is also directed to an additive composition comprising a conventional hydrocarbon filterability additive in combination with an efficiency reveal additive, and also to the combustion fuels, motor fuel and oil fuel that comprise these additive combinations.

Abstract: The present invention relates to a cylinder lubricant having a BN, determined according to the ASTM D-2896 standard, of greater than or equal to 40 milligrams of potassium hydroxide per gram of lubricant, comprising a lubricant base oil for a marine engine and at least one overbased detergent that is based on alkali or alkaline-earth metals, and which also contains an amount of 0.01% to 10% by weight relative to the total weight of the lubricant, of one or more compounds (A) chosen from esters of saturated fatty monoacids comprising at least 14 carbon atoms and of alcohols comprising at most 6 carbon atoms.

Abstract: The invention relates to the use, in a hydrocarbon distillate with a boiling temperature of between 150 and 450° C. and a crystallization onset temperature as measured by Differential Calorimetric Analysis of greater than or equal to ?50° C., preferably of ?5° C. to +10° C., of a homopolymer obtained from an olefinic ester of carboxylic acid of 3 to 12 carbon atoms and from a fatty alcohol containing a chain of more than 16 carbon atoms and optionally an olefinic double bond, as a compound for revealing the efficiency of filterability additives based on copolymer and/or terpolymers of ethylene and of vinyl ester of a carboxylic acid of 3 to 12 carbon atoms, and of a monoalcohol containing 1 to 10 carbon atoms. The invention is also directed to an additive composition comprising a conventional hydrocarbon filterability additive in combination with an efficiency reveal additive, and also to the combustion fuels, motor fuel and oil fuel that comprise these additive combinations.

Abstract: The present invention relates to a multi staged cracking and stripping process that can be used in a fluidized-bed catalytic cracking process or FCC (fluidized catalytic cracking) process for maximizing the production of olefins, that is to say of C3 and C4 olefins, in particular propylene and distillates. One subject of the present invention is therefore a multi-staged process for cracking and stripping a fluidized mixture of hydrocarbons and of coked catalyst particles, integrated into a conventional fluidized-bed catalytic cracking process comprising at least one cracking step and one stripping step after separation of the particles of coked catalyst from the cracked effluent during the disengaging/stripping step, characterized in that it comprises at least two steps of cracking at least one hydrocarbonaceous fluid over the separated coked catalyst particles followed by at least two steps of stripping these particles, each cracking step preceding a stripping step.

Abstract: The instant invention discloses a method for the improvement of flakes recovery from hydrocarbon processing units and in particular slurry reactors as well as slurry flakes obtained thereof.

Abstract: Process for the fluidized-bed catalytic cracking of a weakly coking feedstock having a Conradson carbon residue equal to or less than 0.1% by weight and a hydrogen content equal to or greater than 12.7% by weight, comprising at least a step of cracking the feedstock, a step of separating/stripping the effluents from the coked catalyst particles and a step of regenerating said particles, the process being characterized in that at least one coking, carbonaceous and/or hydrocarbonaceous effluent having a content of aromatic compounds of greater than 50% by weight, comprising more than 20% by weight of polyaromatic compounds, is recycled to homogeneously distributed and weakly coked catalyst, before regeneration, in order to adjust the delta coke of the process.

Abstract: Modified alkylphenol-aldehyde resins include one or more alkylamines, having preferably at least one primary amine type group as well as their use for improving the flow properties of motor fuels and hydrocarbon fuels, such as in particular jet fuel, gas oil, fuel oil domestic, heavy fuel oil.

Abstract: The invention concerns a process for hydroconversion of a hydrocarbonaceous feedstock comprising: a preparation step of at least one catalyst in one or more preparation reactor upstream from a reaction section, wherein (i) at least one preparation reactor feeds one or more reactor of the reaction section, or (ii) preparation reactors are dedicated for catalysts fed to at least a hydroconversion reactor or at least a hydrotreatment reactor of the reaction section; a separation step of solids contained in the liquid effluents issued from the reaction section, a treatment step of residues issued from separation section, comprising a partial oxidation step wherein said residues are partially oxidized to produce carbon monoxide, hydrogen an a metal containing residue. Such process permits improving of products quality, operation of the separation section, recovering of catalytic metals contained in the feed and supplying hydrogen to the reaction section.

Abstract: The invention relates to a light-weight device for loading solid particles into an enclosure including at least one pipe (18, 20) for the circulation of said solid particles and at least one movable element for controlling the fall velocity of the particles, which is designed to be slidably moved inside of said pipe (18, 20). The device further includes a plurality of identical guide plates (12a, 12b) connected to each other by attachment means. Said at least one pipe (18, 20) is made of a flexible material and each guide plate (12a, 12b) has at least one through opening for receiving and guiding said at least one pipe (18, 20) in a position in which the longitudinal axis of the pipe extends substantially perpendicular to the plane of each guide plate.

Abstract: The invention relates to a method of making a theremorevsible bituminous composition. The method includes transferring an additive to a bitumen to form a mixture, and stirring the mixture until its appearance is homogenous. The additive can be an organogelator with general formula R?—(COOH)z, where R? is a linear or branched, saturated or unsaturated chain having 4 to 68 carbon atoms and z is an integer varying from 2 to 4. The bituminous composition is hard at the temperature of use without increasing its viscosity when hot.

Abstract: The invention relates to a hydrocarbon hydroprocessing catalyst comprising a support based on at least one refractory oxide, at least one metal from group VIII and at least one metal from group VIB. The inventive catalyst is characterized in that it also comprises at least one organic compound having formula (I) or (II) in which each R1 represents independently an alkyl group at C1-18, an alkenyl group at C2-18, an aryl group at C6-18, a cycloalkyl group at C3-8, an alkylaryl or arylalkyl group at C7-20, or the two R1 groups together form a divalent group at C2-18, and R2 represents an alkylene group at C1-18, an arylene group at C6-18, a cycloalkylene group at C3-7, or a combination of same. The invention also relates to a method of preparing one such catalyst and to the use thereof for hydroprocessing or hydrocracking.

Abstract: The invention relates to a process for hydrodeoxygenation (HDO) of pyrolysis oil and also to a process for upgrading of pyrolysis oil implementing said HDO process, and also to processing of the aqueous phase resulting from the HDO by steam pre-reforming and then steam reforming.

Abstract: A catalyst usable in hydrotreatment processes: an alumina-based amorphous support, phosphorus, a C1-C4 dialkyl succinate, acetic acid and a hydro-dehydrogenizing function of at least one group VIII element and at least one group VIB element, preferably made up of cobalt and molybdenum, a catalyst whose Raman spectrum comprises the most intense bands characteristic of the Keggin heteropolyanions (974 and/or 990 cm?1), C1-C4 dialkyl succinate and acetic acid (896 cm?1). Preferably, the dialkyl succinate concerned is dimethyl succinate and its main band is at 853 cm?1.

Abstract: Process for separating gases from a fluidized gas/solid mixture, comprising at least one injection of gas and optionally at least one injection of solids into and at least one discharge of solids from said fluidized bed, a discharge for gas from the mixture characterized in that it comprises a step of separating the solids entrained by the gas by means of an internal placed in that portion of the fluidized mixture where the voidage is greater than 0.7, occupying less than 10% of the free cross section of the bed.

Abstract: Modified alkylphenol-aldehyde resins include one or more alkylamines, having preferably at least one primary amine type group as well as their use for improving the flow properties of motor fuels and hydrocarbon fuels, such as in particular jet fuel, gas oil, fuel oil domestic, heavy fuel oil.

Abstract: The use in a bituminous composition of an organogelator molecule of the following general formula (I) is disclosed below: where: A is a hydrocarbon group which can be straight or branched, saturated or unsaturated, acyclic, cyclic or polycyclic, having 3 to 92 carbon atoms, resulting from the polymerization of lateral chains of at least one unsaturated fatty acid, X is an NH group or an oxygen atom O, R1 is a group chosen from: a straight or branched hydrocarbon group with 2 to 40 carbon atoms, optionally including one or more heteroatoms and optionally including one or more unsaturations, or an aromatic group, substituted or otherwise, R2 is a group selected among: a hydrogen atom, a straight or branched hydrocarbon group with 1 to 40 carbon atoms, including one or more heteroatoms and optionally including one or more unsaturations, or an aromatic group, substituted or otherwise; m and n are, separately from one another, an integer ranging from 1 to 4, p is an integer ranging from 0 to 4, q is an inte