Abstract: Column for carrying out mass exchange processes, in particular desorption and absorption processes, said column comprising: a vertical cylindrical container comprising a first cylindrical container section having a first height hi and a first diameter d1, a second cylindrical container section having a second height h2 and a second diameter d2, a third cylindrical container section having a third height h3 and a third diameter d3 and a fourth cylindrical container section having a fourth height h4 and a fourth diameter d4 from bottom to top in a longitudinal direction of the container, a gas, in particular air, inlet in the wall of the first container section and a liquid outlet in the first container section, a polyethylene packing in each of the second container section and the third container section, a liquid inlet in the wall of the third container section, a liquid distributor that is placed in the third container section and is in fluid connection with the liquid inlet, and a gas mixture, in particular

Abstract: The present invention relates to a vertical column apparatus (1) for mass exchange processes in the chemical, oil or gas industry and in particular, for the production of iodine from formation water of oil and gas fields, comprising: a gas outlet (2) at the top and a liquid outlet (3) at the bottom of the column (1); a packed section (4) between the top and the bottom of the column (1), wherein the column (1) has a liquid inlet (5) above the packed section (4) and a gas inlet (6) below the packed section (4), wherein an upper portion (7) of the column (1) has a larger diameter (du) compared to a diameter (dp) of the packed section (4).

Abstract: The present invention proposes to use a dry stream which is rich in C4 to C10 hydrocarbons as stripping agent for improving the regeneration of the liquid desiccant according to the invention. This dry stream rich in C4 to C10 hydrocarbons is extracted from the gas derived from the dehydration, for example during a step of extraction of NGL located downstream of the gas dehydration unit. The stream of stripping agent recovered at the outlet of the liquid desiccant regeneration unit may be recycled into the process of the invention or sent to a unit external to the process according to the invention. For example, this stream of stripping agent recovered at the outlet of the regeneration unit is sent to a unit which can receive wet condensates, such as a three-phase separation unit at the inlet of a crude gas processing plant, a condensate stabilization unit, etc.

Abstract: The present application relates to a method for determining process conditions to remove volatile organic compounds from a polymer product through blowing. According to the method of the present application, time and energy can be saved.

Abstract: An apparatus for the gas treatment including a reaction chamber. The reaction chamber including an inlet opening of a flow of gas to be treated; means for the formation of ionizing electrical discharges adapted to interact with the gas to be treated to form a plasma state for obtaining a flow of treated gas which includes at least a high-added value fraction and at least a waste fraction; an outlet opening of the high-added value fraction arranged downstream of the means for the formation with respect to the direction of forward movement of the flow of gas to be treated inside the reaction chamber; reintroduction means for reintroducing the waste fraction inside the reaction chamber, and the reintroduction means being arranged downstream of the means for the formation with respect to the direction of forward movement.

Abstract: Provided is a method of reducing a concentration of a fluorine-containing compound in a sample using a biocatalyst and an ionic liquid.

Abstract: The invention discloses a method for simultaneously removing SO2 and NOx in flue gas: uniformly mixing a water-soluble ruthenium salt with ammonia water to obtain an aqueous solution of a ruthenium-amine complex; subjecting the flue gas and the aqueous solution of the ruthenium-amine complex to a countercurrent contact reaction under the temperature of 5-60° C., pH of 7.5-12 to obtain a solution A and purified gas; discharging the solution A of the step (2) into a crystallization tank to crystallize and separate an ammonium salt to obtain a solution B, returning the solution B to replace the aqueous solution of the ruthenium-amine complex. The invention utilizes the ruthenium-amine complex having a strong capability of complexing with NO as well as residual oxygen in the flue gas to carry out liquid phase catalytic oxidation to convert the NOx into ammonium nitrate, the removal efficiency of the NOx and the SO2 is high.

Abstract: A sorbent composition that is useful for injection into a flue gas stream of a coal burning furnace to efficiently remove mercury from the flue gas stream. The sorbent composition may include a sorbent with an associated ancillary catalyst component that is a catalytic metal, a precursor to a catalytic metal, a catalytic metal compound or a precursor to a catalytic metal compound. Alternatively, a catalytic metal or metal compound, or their precursors, may be admixed with the coal feedstock prior to or during combustion in the furnace, or may be independently injected into a flue gas stream. A catalytic promoter may also be used to enhance the performance of the catalytic metal or metal compound.

Abstract: A concentration apparatus that includes a liquid tank storing a liquid containing a filtration object, a tubular member having first and second end portions disposed in the liquid tank and forming a first circulation flow path therebetween, a circulation pump for supplying the liquid stored in the liquid tank to flow from the first end portion to the second end portion, a filtration filter disposed in a sidewall of the tubular member, a bypass pipe having first and second ends thereof connected to sidewalls of the tubular member so as to form a second circulation flow path between the first and second end portions of the tubular member, a switching valve constructed to cause the liquid to flow in one of the first or second circulation flow paths, and a control unit controlling driving of the circulation pump and a switching operation of the switching valve.

Abstract: An electrochemical separation device includes a first electrode, a second electrode, and a cell stack including a plurality of sub-blocks each having alternating depleting compartments and concentrating compartments and each including frame and channel portions disposed between the first electrode and the second electrode. An internal seal formed of a first material is disposed between and in contact with the channel portions between adjacent sub-blocks in the cell stack and configured to prevent leakage between depleting compartments and concentrating compartments in the adjacent sub-blocks. An external seal formed of a second material having at least one material parameter different from the first material is disposed between and in contact with the frames of the adjacent sub-blocks in the cell stack and configured to prevent leakage from an internal volume of the electrochemical separation device to outside of the electrochemical separation device.

Abstract: A water purification apparatus (300) capable of being cleaned at a point of care, and methods for cleaning the water purification apparatus (300) at the point of care. The water purification apparatus (300) and the methods provide an efficient use of a heater (302) for heat disinfection the water purification apparatus (300), e.g. by recirculating heated fluid to further heat the fluid. Several different cleaning programs are provided that may be utilized for cleaning different parts of the water purification apparatus (300).

Abstract: A water treatment chemical for a membrane, being is a water treatment chemical for preventing membrane contamination caused by an organic compound having a phenolic hydroxy group and including an organic amine having two or more nitrogen atoms and having five or more carboxyl groups or four or more phosphate groups. A membrane treatment method including adding the water treatment chemical for a membrane to water to be treated which contains an organic compound having a phenolic hydroxy group and then subjecting the water to be treated to membrane separation treatment.

Abstract: A cartridge is provided for dialysis or other blood processing therapy. In the cartridge, fibers may be substantially uniformly distributed near a midplane, but near an end, in the inter fiber space, there may be void flow channels, which may cause fluid flow in the inter fiber space to transition within a short region to uniform flow with minimal stagnation zones. Void flow channels may be be radially oriented, introducing fluid from the outer circumference, or axially oriented, introducing fluid along the axial direction through passageways through the potting material. The fluid flow in the inter fiber space may be perpendicular to the fibers, or radial with respect to a cartridge longitudinal axis. The cartridge may have blood flow in the inter fiber space, and flow of dialysate or ultrafiltrate in the lumens of the fibers, or the opposite situation.

Abstract: There is provided a carbon capture mixed matrix membrane comprising: a polymeric support layer; and a carbon dioxide capture layer in contact with the polymeric support layer, the carbon dioxide capture layer comprising solid porous material with at least one carbon dioxide adsorption site, wherein the polymeric support layer comprises spatially ordered uniform sized pores. The polymeric support layer may be patterned by micro-molding, nanoimprinting, mold-based lithography or other suitable lithographic process. The carbon dioxide capture layer may comprise amine-functionalised material, metal-organic frameworks such as zeolite imidazolate framework 8 (ZIF-8) or copper benzene-1,3,5-tricarboxylate (Cu-BTC) which may or may not be amine modified. There is also provided a membrane module comprising at least one carbon capture mixed matrix membrane and a method of forming the carbon capture mixed matrix membrane.

Abstract: Thin film composite membrane with nano-sized bubbles having enhanced membrane permeability, preparation methods and uses thereof are provided. The method of preparation of a thin film composite membrane, comprising: a) an aqueous solution containing at least an amine, and b) an organic solution containing at least a polyfunctional acyl halide, an additive or soluble gas being present in a) and/or b), or a nano-bubble generator or ultrasound are used to generate nano-bubbles in a) and/or b). Interfacial polymerization of a) and b) occurs at or near the surface of a porous support membrane. The advantage of creating nano-sized bubbles in the separating layer of membrane is that it can reduce membrane resistance without sacrificing the mechanical strength and stability of the membrane so as to improve its water permeability, salt rejection and antifouling. In addition, the process is simple to adopt while performance improvement of the membrane is remarkable.

Abstract: Using GA as the crosslinking agent, the PVA/GA/CS-M+ pervaporation membrane having high mechanical strength can be readily obtained via blending the Ag+, Cu2+, or Fe3+-chelated CS precursor with PVA, performing excellent permeability and selectivity for the dehydration of organic solvents.

Abstract: The present disclosure provides a flat-sheet polyamide membrane comprising a first major surface and a second major surface and a separation layer and a porous substructure in the cross section of the membrane between the first major and the second major surface, wherein the average pore size diameter in the separation layer is smaller than the average pore size diameters on the first and second major surfaces, wherein the average pore size diameter on the first major surface is larger than the average pore size diameter on the second major surface, wherein the separation layer is closer to the second major surface than to the first major surface. The present disclosure further provides a method for producing such membranes and a use of the membranes for nanofiltration or ultrafiltration purposes.

Abstract: An improved system and method for fluidizing dry powder-based additives into downhole well operations utilizes a dried, low-volume air stream and an ejector nozzle in order to disperse the powders into a liquid stream. In an embodiment, the system can be placed on a powder blending trailer in order to convey additives directly from bulk transport bins into a liquid stream, through the use of an atmospheric pressure hydration tank fitted with a cyclone separator to ensure an even dispersal into the liquid stream.

Abstract: The invention relates to an agitating device (1) comprising a stirring shaft (2) that is vertically positionable in a use configuration, a stirring element comprising a circular ring portion (7) partially surrounding the agitating shaft (2), this ring portion, in the use configuration of the shaft (2), being disposed in a plane that is inclined with respect to the shaft (2) and develops around the shaft (2) from the lower end (8) thereof in the direction of the upper end (9) thereof, following an ascending slope, this ring portion (7) being hollow and provided with openings (11) for communicating with the outside and means (4) for connecting the stirring element and the shaft (2). These connecting means (4) comprise at least one arm (12) that is radial to the agitating shaft (2) and connects the lower end (5) of the agitating shaft (2) and the lower end (8) of the stirring element, and extends at least partially in a plane perpendicular to the agitating shaft (2).

Abstract: Disclosed is an apparatus and method for providing asymmetric oscillations to a container. The container may include a fluid, a particle, and/or a gas. A vibration driver attached to the container provides asymmetric oscillations. A controller connected to the vibration driver controls an amplitude, frequency, and shape of the asymmetric oscillations. An amplifier amplifies the asymmetric oscillations in response to the controller. A sensor disposed on the vibration driver provides feedback to the controller.

Abstract: Disclosed is an apparatus and method for providing asymmetric oscillations to a container. The container may include a fluid, a particle, and/or a gas. A vibration driver attached to the container provides asymmetric oscillations. A controller connected to the vibration driver controls an amplitude, frequency, and shape of the asymmetric oscillations. An amplifier amplifies the asymmetric oscillations in response to the controller. A sensor disposed on the vibration driver provides feedback to the controller.

Abstract: Disclosed is an apparatus and method for providing asymmetric oscillations to a container. The container may include a fluid, a particle, and/or a gas. A vibration driver attached to the container provides asymmetric oscillations. A controller connected to the vibration driver controls an amplitude, frequency, and shape of the asymmetric oscillations. An amplifier amplifies the asymmetric oscillations in response to the controller. A sensor disposed on the vibration driver provides feedback to the controller.

Abstract: Disclosed is an apparatus and method for providing asymmetric oscillations to a container. The container may include a fluid, a particle, and/or a gas. A vibration driver attached to the container provides asymmetric oscillations. A controller connected to the vibration driver controls an amplitude, frequency, and shape of the asymmetric oscillations. An amplifier amplifies the asymmetric oscillations in response to the controller. A sensor disposed on the vibration driver provides feedback to the controller.

Abstract: A blower unit for pneumatic mixers, comprising: a hollow element internally defining a duct, extending between an input section and an output section, for the passage of an air flow between said sections, wherein said input section can be connected to a source of pressurised air and said output section can be connected to a manifold of a pneumatic mixer; a shutter suitable to shut off said airflow through said output section in a controlled manner; an actuator connected to the shutter and configured to regulate the position of the shutter; the hollow element has a first end portion, at said output section, that can be reversibly coupled to a corresponding end portion of the manifold and wherein the blower unit further comprises first reversible connecting means to establish a reciprocal connection between the end portions.

Abstract: A production apparatus includes a receiving device designed to receive a first and a second capsule containing a first and a second formulation, respectively, the receiving device being designed to be in an open position in which the first and the second capsule can be introduced into the receiving device and a closed position in which the receiving device holds the first and second capsules in position, the receiving device further being designed in such a way that when the receiving device holding the first and second capsules is moved from the open position to the closed position, the first and second capsules are connected; the apparatus further includes a mixing machine designed to receive the receiving device holding the first and second capsules, and to mix the first and second formulations contained in the first and second capsules such as to obtain the composition.

Abstract: A low cost and versatile plate reactor is capable of producing exothermic reactions under a wide variety of conditions using a wide variety of materials. The reactor design can be used to test various combinations of materials and triggers for exothermic reactions quickly. The reactor design can be used for solid-state materials, wet-cells/electrolytic materials, plasmas, and gases. The design will work with nanoparticles, solid materials, materials plated to a reactor wall, heavy water, or other liquid materials, and gases.

Abstract: Provided is an explosive body X, i.e., an explosive body for nanodiamond synthesis, includes at least an explosive main body (10) that includes a frustum part (11) and a columnar part (12). The frustum part (11) includes an upper bottom surface (11a) including an open end of a hole (H), in which a triggering unit is received, and an angled side surface (11b) forming an imaginary apex angle ? on the upper bottom surface (11a) side. The columnar part (12) is formed contiguous with the frustum part (11) on an opposite side of the frustum part (11) to the upper bottom surface (11a) of the frustum part (11) and extends in a direction away from the upper bottom surface (11a). The explosive body for nanodiamond synthesis is suitable for improving the yield in nanodiamond synthesis by a detonation method.

Abstract: A withdrawal system for withdrawing particulate matter from a high-temperature unit of a high-temperature industrial process is disclosed. The withdrawal system comprises a material storage silo that comprises a vent line containing a first vent valve, one or more temperature sensors to measure temperature of the particulate matter in the material transfer line, and a controller that receives output measurements from the one or more temperature sensors to monitor and control flow of the particulate matter. The system does not contain a receiving vessel located in the material transfer line between the high-temperature unit and the material storage silo.

Abstract: The invention relates to a gas injection element (10) for a system for distributing as gas inside a chamber of a fluid catalytic cracking unit. This injection element comprises a passage (14) passing right through it in a longitudinal direction (X), and —a metallic internal element (20) of which an internal surface (22) defines part of the through-passage (14) passing through in a longitudinal direction (X), —a hollow metal sleeve (30) accepting one end (20a) of the internal element (20) and attached thereto, —a hollow metal support (40) having an internal surface (42) defining the remainder of the through-passage passing through in the longitudinal direction (X), the said sleeve also being attached to one end of the support (40).

Abstract: A gas dissolving system using double mixers to generate a higher gas concentration in liquid is disclosed. The gas dissolving system includes two gas mixers, a degassing device, pressure valves, a pressure sensor, and a pump. Liquid flows through mixers to entrain gas therein, and it thus contains dissolved gas and undissolved gas. The liquid subsequently flows into the degassing device so that undissolved gas is released to the outside environment, and dissolved gas remains in the liquid. The liquid with dissolved gas combines with raw liquid and is diluted so that it becomes liquid with a desired gas concentration as the output. A high gas concentration of liquid is obtained after more cycles of fluid flow through the mixers to dissolve gas without combining raw liquid.

Abstract: Described herein is a process for preparing microcapsules. More particularly, the process is characterized by the fact that it requires limited amounts of water for preparing microcapsules. Microcapsules obtainable by the disclosed process as well as consumer products including those microcapsules are also described.

Abstract: The present invention relates to a capsule preparation method for preparing solid microcapsules, comprising the following steps: a) addition, under agitation, a composition C1, comprising at least one active ingredient, to a polymeric composition C2, the compositions C1 and C2 being mutually immiscible, whereby an emulsion (E1) is obtained comprising droplets of the composition C1 dispersed in the composition C2; b) addition, under agitation, the emulsion (E1) to a composition C3, the compositions C2 and C3 being mutually immiscible, whereby a double emulsion (E2) is obtained comprising droplets dispersed in the composition C3; c) applying shear to the emulsion (E2), whereby a double emulsion (E3) is obtained comprising size controlled droplets dispersed in the composition C3; and d) polymerising the composition C2, whereby solid microcapsules dispersed in the composition C3 are obtained.

Abstract: A method of fabricating a catalytic reactor assembly having an outer tube and an inner tube is provided. The method may include inserting a catalyst into the outer tube and inserting the inner tube through the catalyst. The method may further include radially expanding the inner tube against the catalyst.

Abstract: Provided are formation method and device for slug flow capable of suitably forming a stable slug flow. The formation method for slug flow includes a step of preparing a microreactor (1) that forms a fine flow passage (11), and includes a wall surface having a hydrophilic property, a hydrophilic liquid supply step of supplying the fine flow passage (11) with only a hydrophilic liquid out of the hydrophilic liquid and a hydrophobic liquid, and a step of supplying the fine flow passage (11) with the hydrophilic liquid and the hydrophobic liquid after executing the hydrophilic liquid supply step, thereby forming a slug flow in which cells formed of the hydrophilic liquid and cells formed of the hydrophobic liquid are alternately arranged in a fine-flow-passage length direction of the fine flow passage (11) in the fine flow passage (11).

Abstract: A catalytic microscale reactor with spiral reactor geometry may have a high surface area to volume ratio, high catalytic surface area, high heat transfer surface area, long residence time, and high single pass conversion. The catalytic surface may be treated with microsphere spacer particles which serve to maintain the space between them at an engineered distance without the need for precise manufacturing techniques. The design of the reactor may allow for a catalyst surface to be removed, uncoiled, refurbished, and recoiled in an automated continuous process. An automated continuous process may be suitable both for initially preparing a new catalytic surface as well as refurbishing a fouled catalytic surface and may the time and cost to prepare a new surface.

Abstract: Provided are a dielectric barrier discharge (DBD) plasma reactor including dielectric particles in a packed-bed in a discharge zone, e.g., a DBD plasma reactor for non-oxidative coupling of methane in which an average gap distance between dielectric particles in the packed-bed is adjusted to improve methane conversion and/or product selectivity; a method of regenerating dielectric particles including removing coke, which sis produced by side reactions, from the dielectric particles deactivated by the coke by using a low temperature plasma in an oxidizing atmosphere in the reactor; a method of manufacturing C2+ hydrocarbons, the method including converting methane into C2+ hydrocarbons including ethylene and/or ethane by non-oxidative coupling of methane in the reactor; and a method of manufacturing hydrogen, the method including generating hydrogen from methane by non-oxidative coupling of methane in the reactor.

Abstract: Ultrasonic horns having improved longevity and simplified manufacturing approaches that can be more easily adapted to ultrasonic reactor chambers or batch processing containers. The ultrasonic horn designs increase the uniformity and intensity of acoustic energy radiated into a liquid medium and thus better correspond to the requirements of a particular sonochemical or sonomechanical process. The ultrasonic horns do not require a specific number of cylindrical sections and allow for various lengths and profiles of variable-diameter sections. The ultrasonic horns also reduce stress in the material of the ultrasonic horns and therefore extend longevity.

Abstract: Packing element for heat and/or mass transfer, comprising a plurality of circumferentially spaced panel shaped wall members, each wall member extending radially outward from an inner end extending along a central axis of the packing element to an outer edge opposite to the inner end and at least part of the outer edge extending along a surface of revolution having the central axis as an axis of revolution.

Abstract: Disclosed a method for the preparation of granular sorbent based on LiCl.2Al(OH)3.nH2O for lithium recovery from lithium-containing brines, comprising production of a powder of LiCl.2Al(OU)3.nH2O (DUAL-Cl) from aluminum chloride solution comprising lithium, separation of the powder DUAL-Cl from the obtained solution by centrifugation with further removing the excess LiCl, drying of the powder DUAL-Cl; and, granulation of the powder DUAL-Cl with the addition of chlorinated polyvinylchloride and a organochlorine solvent to obtain the granular sorbent based on LiCl.2Al(OU)3.nH2O; wherein the aluminum chloride solution comprising lithium is prepared by dissolving crystalline hydrate of hexaaqua aluminum chloride in aqueous solutions comprising lithium in the form of LiCl, Li2CO3, or LiOH.H2O or mixtures thereof, and concentration of aluminum chloride in the solution is 45-220 kg/m3.

Abstract: Provided are a silicotitanate molded body having high strength and reduced generation of fine powder, a production method thereof, an adsorbent comprising the silicotitanate molded body, and a decontamination method of radioactive cesium and/or radioactive strontium by using the adsorbent. The silicotitanate molded body comprises: crystalline silicotitanate particles that have a particle size distribution in which 90% or more, on volume basis, of the particles have a particle size within a range of 1 ?m or more and 10 ?m or less and that are represented by a general formula of A2Ti2O3(SiO4).nH2O wherein A represents one or two alkali metal elements selected from Na and K, and n represents a number of 0 to 2; and an oxide of one or more elements selected from the group consisting of aluminum, zirconium, iron, and cerium.

Abstract: The present disclosure relates to a cucurbituril-polyethylenimine-silica complex, a method for preparing the same and a carbon dioxide absorbent containing the same. According to the present disclosure, a cucurbituril-polyethylenimine-silica complex may be prepared by forming a complex wherein a cucurbituril is bound to polyethylenimine and including the same inside silica, and it may be used as a carbon dioxide absorbent with superior thermal stability and prevented formation of urea.

Abstract: A porous body is provided with enhanced fluid transport properties that is capable of performing or facilitating separations, or performing reactions and/or providing areas for such separations or reactions to take place. The porous body includes at least 80 percent alpha alumina and has a pore volume from 0.3 mL/g to 1.2 mL/g and a surface area from 0.3 m2/g to 3.0 m2/g. The porous body further includes a pore architecture that provides at least one of a tortuosity of 7.0 or less, a constriction of 4.0 or less and a permeability of 30 mdarcys or greater. The porous body can be used in a wide variety of applications such as, for example, as a filter, as a membrane or as a catalyst carrier.

Abstract: A composition consisting essentially of a perovskite crystalline structure, the composition comprising: ions of a first metal M1 which occupies an A-site of the perovskite crystalline structure; ions of a second metal M2 which occupies a B-site of the perovskite crystalline structure, M2 having two oxidation states capable of forming a redox couple suitable for reversibly catalyzing an oxygen reduction reaction (ORR) and an oxygen evolution reaction (OER); ions of a third metal M3 at least a portion of which substitutes for M1 in the A-site of the perovskite crystalline structure, and at least a portion of which optionally also substitutes for M2 in the B-site of the perovskite crystalline structure, at least some of the atoms M3 having a different oxidation state to the atoms M1; and atoms of an element X, which is a chalcogen; wherein the metal ions M1, M2 and M3 are present in the atomic ratios (a) or (b): (a) 25 to 49.

Abstract: Catalysts for hydrogenation of CO2 to dimethyl ether. These catalysts comprise 0.1-10 wt % per total catalyst weight of a catalytic material containing Pd (e.g. metallic palladium), 0.05-5 wt % per total catalyst weight of a promoter containing Ca (e.g. metallic calcium), as well as 85-99 wt % of CeO2 as a catalyst support. Methods of preparing and characterizing the catalysts as well as processes for catalyzing the hydrogenation of CO2 to dimethyl ether and other byproducts such as methanol, carbon monoxide, and methane portrayed by reactant conversion., product selectivity, and catalyst stability are disclosed.

Abstract: The present disclosure relates to dehydrogenation catalysts based on one or more certain group 13 and group 14 elements that further include additional metal components, to methods for making such catalysts, and to methods for dehydrogenating hydrocarbons using such catalysts. One aspect of the disclosure provides a calcined dehydrogenation catalyst that includes a primary species P1 selected from the group consisting of Ga, In, TI, Ge, Sn and Pb and combinations thereof; a primary species P2 selected from the lanthanides; a promoter M1 selected from the group consisting of Ni, Pd and Pt; a promoter M2 selected from the group consisting of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr and Ba, on a silica-alumina support.

Abstract: In order to provide an exhaust gas purification catalyst capable of purifying hydrocarbons, carbon monoxide, and nitrogen oxides in exhaust gas at low temperatures, the exhaust gas purification catalyst according to the present invention includes: a region (2) containing palladium on a three-dimensional structure (1), and a first region (3) and a second region (4) provided on the region (2) in order from an inflow side of exhaust gas to an outflow side of exhaust gas. The concentration of rhodium contained in the first region (3) is higher than the concentration of rhodium contained in the second region (4).

Abstract: An exhaust gas purification catalyst having a substrate having a wall flow structure, and a catalyst layer. The catalyst layer has: an A section provided in the interior of the partition wall, along an extension direction X of the partition wall, from an exhaust gas inflow end section; a C section provided in the interior of the partition wall, along the extension direction X of the partition wall, from an exhaust gas outflow end section; and a B section disposed between the A section and the C section in the extension direction X of the partition wall, and provided over the surface of the partition wall on the side in contact with the inlet cell, the interior of the partition wall, and the surface of the partition wall on the side in contact with the outlet cell.

Abstract: The present invention relates to the field of catalytic cracking, and discloses a composition capable of reducing CO and NOx emissions, the preparation method and use thereof, and a fluidized catalytic cracking method. The inventive composition capable of reducing CO and NOx emissions comprises an inorganic oxide carrier, and a first metal element, optionally a second metal element, optionally a third metal element and optionally a fourth metal element supported on the inorganic oxide carrier, wherein the first metal element includes Fe and Co, and wherein the weight ratio of Fe to Co is 1:(0.1-10) on an oxide basis. The inventive composition has better hydrothermal stability and higher activity of reducing CO and NOx emissions in the flue gas from the regeneration.

Abstract: The present invention relates to a porous iron oxide-zirconia composite catalyst, a preparation method thereof, and a method for producing alcohol using the same, and the iron oxide-zirconia composite catalyst having a porous structure may produce alcohol at low cost by carrying out an excellent methane reforming reaction even under room temperature and room pressure conditions through an electrochemical reaction.

Abstract: The present invention relates to a catalyst containing an active cobalt phase, deposited on a support comprising alumina, silica or silica-alumina, said support containing a mixed oxide phase containing cobalt and/or nickel, said catalyst has been prepared by introducing at least one organic compound of the family of dilactones. The invention also relates to the process for the preparation thereof, and to the use thereof in the field of Fischer-Tropsch synthesis processes.