Abstract: A method and a device for separation of at least one catalyst and/or adsorbent from a homogeneous mixture of catalysts and/or adsorbents containing one or more metal, semi-metal or non-metal contaminant(s) deposited thereon, making it possible to separate catalysts or adsorbents according to the presence or absence of contaminant and also according to the contaminant content, starting from a sorting threshold that corresponds to a content and that is defined by the operator.

Abstract: The object of the invention is a combustion method for a solid feed using a chemical loop wherein an oxygen-carrying material circulates, said method comprising at least: contacting the solid feed particles in the presence of metallic oxide particles in a first reaction zone (R1) operating in dense fluidized bed mode, carrying out combustion of the gaseous effluents from first reaction zone (R1) in the presence of metallic oxide particles in a second reaction zone (R2), separating in a separation zone (S3) the unburnt particles and the metallic oxide particles within a mixture coming from second reaction zone (R2), re-oxidizing the metallic oxide particles in an oxidation zone (R4) prior to sending them back to first zone (R1).

Abstract: A method and device for separating at least one catalyst from a mixture of homogeneously shaped catalysts, the catalysts comprising at least one metal selected from the group formed by Ni, Co, Mo, W, the catalyst to be separated comprising a characteristic metal selected from the group formed by Ni, Co, Mo, W and the other catalysts of the mixture not containing said characteristic metal, in which method: the grains of the catalyst of said mixture pass in front of the LIBS detection system, the presence of said characteristic metal in the catalysts is detected by the LIBS technique, the wavelength being selected so as to detect said characteristic metal, the LIBS detection system sends a signal to a means for evacuating grains of catalyst to be separated in a manner such as to separate said grains from the other catalysts of said mixture.

Abstract: The invention relates to a process and to a unit for chemical looping oxidation-reduction combustion of a hydrocarbon feed, wherein heat exchanges are controlled through a level variation of a dense fluidized bed of active mass particles in an external heat exchanger (E1, E2), positioned on a transport line carrying particles circulating between a reduction zone (210) and an oxidation zone (200) for the particles in the chemical loop. The bed level variation is allowed through controlled application of a pressure drop on a fluidization gas outlet in the heat exchanger, said pressure drop being compensated by the level variation of an active mass particle bed in a reservoir zone provided on the particle circuit in the chemical loop.

Abstract: The invention relates to an improved method for chemical-looping combustion of a solid hydrocarbon-containing feed using a particular configuration of the reduction zone with: a first reaction zone R1 operating under dense fluidized bed conditions; a second reaction zone R2; a fast separation zone S3 for separation of the unburnt solid feed particles, of fly ashes and of the oxygen-carrying material particles within a mixture coming from zone R2; fumes dedusting S4; a particle stream division zone D7, part of the particles being directly recycled to first reaction zone R1, the other part being sent to an elutriation separation zone S5 in order to collect the ashes through a line 18 and to recycle the dense particles through a line 20 to first reaction zone R1. The invention also relates to a chemical-looping combustion plant allowing said method to be implemented.

Abstract: The invention relates to a method for chemical-looping combustion of a hydrocarbon-containing feedstock, comprising: contacting oxygen-carrying material particles coming from a reduction zone R0 with an oxidizing gas stream in a reactive oxidation zone R1, separating the fly ashes, the fines and the oxygen-carrying material particles within a mixture coming from zone R1 in a dilute phase separation zone S2, the driving force required for dilute phase elutriation in S2 being provided by the oxidizing gas stream from reactive oxidation zone R1. Optionally, partitioning is carried out in a dedusting zone S4, then possibly in a dense phase elutriation separation zone S5. The invention also relates to a chemical-looping combustion plant allowing said method to be implemented.

Abstract: The invention relates to a device and to an improved method for chemical looping combustion of at least one liquid hydrocarbon feed, comprising: mixing the liquid feed with an atomization gas so as to feed it into a metal oxide particle transport zone (2), upstream from combustion zone (3), through atomization means (6) allowing to form finely dispersed liquid droplets in the atomization gas; vaporization of the liquid feed in form of droplets into contact with at least part of metal oxide particles in transport zone (2), the operating conditions in transport zone (2) being so selected that the superficial gas velocity after vaporization of the liquid feed is higher than the transport velocity of the metal oxide particles; sending all of the effluents from transport zone (2) to a combustion zone (3) allowing reduction of the metal oxide particles, said combustion zone (3) comprising at least one dense-phase fluidized bed. The invention can be advantageously applied to CO2 capture and energy production.

Abstract: The invention relates to an integrated method for gasification and indirect combustion of a solid hydrocarbon feedstock in a chemical loop, comprising: contacting solid hydrocarbon feedstock (1) with water (2) in a gasification reaction zone RG in order to discharge ashes (9) and to produce a gaseous effluent (3) comprising syngas and water, supplying reduction reaction zone RR of a redox chemical loop with at least part of gaseous effluent (3) produced in the gasification reaction zone in order to produce a CO2 and H2O-concentrated gaseous effluent (4), reoxidizing the oxygen-carrying solid particles from reduction reaction zone RR of the chemical loop in oxidation reaction zone RO by means of an oxidizing gas (6) and discharging fumes (7). The invention also relates to a plant allowing said integrated method to be implemented.

Abstract: The invention relates to a method for chemical-looping combustion of a solid hydrocarbon-containing feedstock, wherein the ashes and fines are removed at the outlet of reactive oxidation zone R1 by sending transported phase (5) coming from reactive zone R1, comprising gas and solid, to a gas-solid separation zone S2, then by sending solid stream (7) coming from gas-solid separation zone S2 to a dense phase elutriation separation zone S3 fluidized by a non-reducing gas (8) allowing the fines and the fly ashes to be separated from the oxygen-carrying material particles. Optionally, deeper separation is carried out in a dedusting zone S5 arranged downstream from dense phase elutriation separation zone S3. The invention also relates to a chemical-looping combustion plant allowing the method according to the invention to be implemented.

Abstract: A method and device for separating at least one catalyst from a mixture of homogeneously shaped catalysts, the catalysts comprising at least one metal selected from the group formed by Ni, Co, Mo, W, the catalyst to be separated comprising a characteristic metal selected from the group formed by Ni, Co, Mo, W and the other catalysts of the mixture not containing said characteristic metal, in which method: the grains of the catalyst of said mixture pass in front of the LIES detection system, the presence of said characteristic metal in the catalysts is detected by the LIES technique, the wavelength being selected so as to detect said characteristic metal, the LIES detection system sends a signal to a means for evacuating grains of catalyst to be separated in a manner such as to separate said grains from the other catalysts of said mixture.

Abstract: The object of the invention is a chemical-looping combustion device utilizing a solid fuel generating unburnt particles and using oxygen-carrying particles such as metallic oxides, and comprising at least one combustion zone and a separator for the particles contained in a gaseous mixture coming from the combustion zone, wherein the separator comprises at least one enclosure (1) with an intake line (4) for said mixture, a discharge line (5) arranged in the lower part of the enclosure and an outlet line (6) arranged in the upper part of the device, the intake and discharge/outlet parameters being so selected as to create in the enclosure a dense phase in the lower part and a dilute phase in the upper part, and wherein said intake line opens into the dilute phase. The invention also relates to a combustion method implementing the device according to the invention.

Abstract: A device to launch a drone, comprises a rail extending along a longitudinal axis and a carriage, mobile on the rail, that can support and launch a drone by the acceleration of the carriage between a loading position and an end-of-travel position, further comprising a spring mechanism configured to exert a return force on the carriage along the longitudinal axis that is substantially constant between the two positions. The spring mechanism comprises at least one coil spring around a hub, one end of the coil spring being linked to the carriage, the return force exerted on the carriage being generated by the coiling of the spring around the hub.

Abstract: The invention relates to a method for chemical looping (CLC) oxidation-reduction combustion of liquid hydrocarbon feedstocks carried out in a fluidized bed, wherein liquid hydrocarbon feedstock (2) is partly vaporized on contact with a hot solid (1) in form of particles so as to form a partly vaporized liquid feedstock and to form coke on said solid (1), prior to contacting partly vaporized liquid feedstock (19) with a redox active mass in form of particles (12) so as to achieve combustion of partly vaporized liquid feed (19). Hot solid particles (1) used to carry the coke can notably form a second fluidized-bed particle circulation loop, the first one being the circulation loop of the oxygen-carrying redox active mass (12) circulating between the oxidation and combustion reactors, thus allowing coke-carrying particles (1) to be recycled to the process.

Abstract: The invention relates to a method of hydroconverting in ebullated bed mode a petroleum feed containing a significant amount of light fractions and, among other things, asphaltenes, sulfur-containing and metallic impurities. More precisely, the object of the invention is a hydroconversion method using at least one ebullated-bed reactor for which injection of the feed is carried out at the top of said reactor, in the gas overhead, and involving separation within said feed inside the reactor into a vaporized fraction and a liquid fraction. The invention also relates to the reactor allowing said method to be implemented.

Abstract: The invention concerns a process for the production of gasoline and for the co-production of propylene using a catalytic cracking unit comprising a catalyst regeneration zone and a reaction zone with two risers functioning in parallel under different severity conditions, the catalyst circulating between the regeneration zone and the reaction zone in two parallel circuits, a circuit termed the principal circuit comprising a first external catalyst cooling system, and a circuit termed the secondary circuit comprising a second external catalyst cooling system.

Abstract: The invention relates to an integrated method for gasification and indirect combustion of a solid hydrocarbon feedstock in a chemical loop, comprising: contacting solid hydrocarbon feedstock (1) with water (2) in a gasification reaction zone RG in order to discharge ashes (9) and to produce a gaseous effluent (3) comprising syngas and water, supplying reduction reaction zone RR of a redox chemical loop with at least part of gaseous effluent (3) produced in the gasification reaction zone in order to produce a CO2 and H2O-concentrated gaseous effluent (4), reoxidizing the oxygen-carrying solid particles from reduction reaction zone RR of the chemical loop in oxidation reaction zone RO by means of an oxidizing gas (6) and discharging fumes (7). The invention also relates to a plant allowing said integrated method to be implemented.

Abstract: The invention relates to an energetically self-sufficient syngas production method in at least one chemical loop. The chemical loop involves at least three distinct oxidation, reduction and gasification reaction zones: 1. at least one air-supplied oxidation reaction zone R1, referred to as “air” reactor, where the reaction of oxidation of the metallic oxides takes place after reduction, 2. at least one combustion reduction reaction zone R2, referred to as “fuel” reactor, where the feed combustion reaction takes place in the presence of the oxygen present in the metallic oxides, 3. at least one gasification reaction zone R3, referred to as “gasification” reactor, for gasification of the solid and/or liquid feeds in order to produce a syngas, said gasification being catalyzed by the at least partly reduced metallic oxides from R2.

Abstract: The invention relates to a method for chemical-looping combustion of a hydrocarbon-containing feedstock, comprising: contacting oxygen-carrying material particles coming from a reduction zone R0 with an oxidizing gas stream in a reactive oxidation zone R1, separating the fly ashes, the fines and the oxygen-carrying material particles within a mixture coming from zone R1 in a dilute phase separation zone S2, the driving force required for dilute phase elutriation in S2 being provided by the oxidizing gas stream from reactive oxidation zone R1. Optionally, partitioning is carried out in a dedusting zone S4, then possibly in a dense phase elutriation separation zone S5. The invention also relates to a chemical-looping combustion plant allowing said method to be implemented.

Abstract: The invention relates to a method for chemical-looping combustion of a solid hydrocarbon-containing feedstock, wherein the ashes and fines are removed at the outlet of reactive oxidation zone R1 by sending transported phase (5) coming from reactive zone R1, comprising gas and solid, to a gas-solid separation zone S2, then by sending solid stream (7) coming from gas-solid separation zone S2 to a dense phase elutriation separation zone S3 fluidized by a non-reducing gas (8) allowing the fines and the fly ashes to be separated from the oxygen-carrying material particles. Optionally, deeper separation is carried out in a dedusting zone S5 arranged downstream from dense phase elutriation separation zone S3. The invention also relates to a chemical-looping combustion plant allowing the method according to the invention to be implemented.

Abstract: The invention relates to an improved method for chemical-looping combustion of a solid hydrocarbon-containing feed using a particular configuration of the reduction zone with: a first reaction zone R1 operating under dense fluidized bed conditions; a second reaction zone R2; a fast separation zone S3 for separation of the unburnt solid feed particles, of fly ashes and of the oxygen-carrying material particles within a mixture coming from zone R2; fumes dedusting S4; a particle stream division zone D7, part of the particles being directly recycled to first reaction zone R1, the other part being sent to an elutriation separation zone S5 in order to collect the ashes through a line 18 and to recycle the dense particles through a line 20 to first reaction zone R1. The invention also relates to a chemical-looping combustion plant allowing said method to be implemented.