Abstract: A hydrogen fluoride gas removal device includes: a hydrogen fluoride gas removal treatment machine that is configured to perform a treatment of removing the hydrogen fluoride gas from the mixed gas by bringing the mixed gas into contact with a removal agent for removing the hydrogen fluoride gas from the mixed gas; a removal agent supply machine that is configured to supply the removal agent to the hydrogen fluoride gas removal treatment machine; a removal agent moving machine that is configured to move the removal agent, which is accommodated in the hydrogen fluoride gas removal treatment machine, within the hydrogen fluoride gas removal treatment machine; and a removal agent discharge machine that is configured to discharge the used removal agent from the hydrogen fluoride gas removal treatment machine.

Abstract: Internally reheated sweep gas-aided membrane gas separation module in which the sweep gas is expanded retentate that is warmed through heat exchange with non-expanded retentate within the module.

Abstract: Olefin separation processes may comprise: introducing a first aqueous salt stream and a mixed feed stream comprising at least one olefin to a salt ion membrane; obtaining an olefin-rich permeate stream and an olefin-lean retentate stream from the salt ion membrane, at least the olefin-lean retentate stream comprising a salt ion membrane aqueous salt phase; introducing the olefin-lean retentate stream to a separation device to obtain a first portion comprising a hydrocarbon stream and a second portion comprising the salt ion membrane aqueous salt phase; introducing to an absorption device the hydrocarbon stream and a second aqueous salt stream under conditions effective to promote olefin extraction, in which the salt ion membrane aqueous salt phase is provided as a portion of the second aqueous salt stream; and obtaining an olefin-rich aqueous salt stream from the absorption device that is provided as at least a portion of the first aqueous salt stream.

Abstract: The present disclosure relates to an apparatus (10) for drying a process gas. The apparatus (10) includes a principal adsorption unit (11) having an inlet (14) for receiving a process gas from a compressor, and an outlet (16) for discharging the process gas. A first supplemental adsorption unit (12) has an adsorbent for adsorbing water. A second supplemental adsorption unit (13) also has an adsorbent for adsorbing water. The apparatus (10) is configured to fluidly connect the outlet of the principal adsorption unit (16) to at least one of the first and second supplemental adsorption units (12, 13). The at least one of the first and second supplemental adsorption units (12, 13) is operable to adsorb water to dry the process gas discharged from the principal adsorption unit. The present disclosure also relates to a method of drying a process gas; a control unit; and a non-transitory computer-readable medium.

Abstract: An apparatus and a method are provided for a heating, ventilation, and air conditioning (HVAC) system air filter for a building ventilation system. The HVAC system air filter comprises a supportive frame configured to orient the HVAC system air filter within the building ventilation system. A composite filter medium retained within the supportive frame comprises a cotton gauze portion and an electrostatic portion. The cotton gauze portion is configured for treatment with a filter oil composition to enhance airflow and filtration of air flowing through the composite filter medium. The electrostatic portion is configured to electrostatically attract and agglomerate airborne molecular contaminants and volatile organic compounds (VOCs) as small as 0.001 microns in diameter. In some embodiments, the composite filter medium comprises substances configured to release a fragrance into air passing through the composite filter medium.

Abstract: Methods, apparatuses, and systems related to electrochemical capture of Lewis acid gases from fluid mixtures are generally described. Certain embodiments are related to electrochemical methods involving selectively removing a first Lewis acid gas from a fluid mixture containing multiple types of Lewis acid gases (e.g., a first Lewis acid gas and a second Lewis acid gas). Certain embodiments are related to electrochemical systems comprising certain types of electroactive species having certain redox states in which the species is capable of binding a first Lewis acid gas but for which binding with a second Lewis acid gas is thermodynamically and/or kinetically unfavorable. The methods, apparatuses, and systems described herein may be useful in carbon capture and pollution mitigation applications.

Abstract: A flue gas purification system for hazardous waste incineration and a purification method are provided. The flue gas purification system includes a cooling deacidification coupling device. The cooling deacidification coupling device includes a reaction tower. A top of the reaction tower is installed with a spraying device, an inlet end of the spraying device is connected to a first liquid inlet pipe and a second liquid inlet pipe, the first liquid inlet pipe and the second liquid inlet pipe are configured to transmit a cooling substance and a deacidification substance. The reaction tower is connected to a gas inlet pipe and a gas outlet pipe. A bottom of the reaction tower is connected to an output pipe configured to output substances generated in the reaction tower. The spraying device is configured to mix the cooling substance and the deacidification substance with the flue gas.

Abstract: A treatment system for remediating some forms of sulfur, CO2, and other contaminants/impurities from a gas stream includes at least one of a process vessel and a treatment coil. Each of the vessel and treatment coil have internals, different in design from each other, which promote intimate mixing and extended contact time between a treatment composition and a gas being treated. The vessel, which additionally facilitates vapor/liquid separation, operates about one-half to two-thirds full of liquid treatment composition. In some embodiments, the treatment coil is a serpentine arrangement of piping, into which the atomized treatment composition is injected on a continuous basis.

Abstract: A process to remove H2S from a stream comprising the steps of adding a silica nanoparticle composition and optionally a triazine, wherein the stream is selected from the group consisting of Oil streams, Gas streams, CO2 point source purification streams and Geothermal Energy System streams.

Abstract: Membranes and filtration modules for producing a concentrated feed stream and a diluted feed stream during operation in a water purification or wastewater treatment system. Filtration modules are provided that include a semipermeable membrane having a first side and a second side, the first side configured to receive a first feed solution stream from a first feed solution source and the second side configured to receive a second feed solution stream from a second feed solution source. The semipermeable membrane may be configured to operate at a hydrostatic pressure on the second side of the membrane from about 1% to about 40% of the hydrostatic pressure on the first side of the membrane, and may in some cases exhibit a salt rejection of from about 60 percent to about 90 percent during operation.

Abstract: Provided is a water treatment method with which, in a reverse osmosis membrane treatment conducted on water being treated that contains chlorine-based oxidants and/or bromine-based oxidants, or on water being treated that contains iodide ions, it is possible to suppress any deterioration in a reverse osmosis membrane and to suppress the formation of slime. This water treatment method includes a reverse osmosis membrane treatment, the water treatment method involving: adding, to water being treated that contains chlorine-based oxidants and/or bromine-based oxidants, 1 mol or more of iodide ions per mole of the free chlorine content and free bromine content of the water being treated; or adding, to water being treated that contains iodide ions, a chlorine-based oxidant and/or a bromine-based oxidant such that the free chlorine content and free bromine content reach 1 mol or less per mole of iodide ions in the water being treated.

Abstract: Apparatuses and methods for extracting desired chemical species including, without limitation, lithium, specific lithium species, and/or other chemical compounds from input flows in a modular unit. The input flows may be raw materials in which lithium metal and/or lithium species are dissolved and/or extracted. The apparatuses and methods may include daisy chain flow through separate tanks, a column array, and/or combinations thereof.

Abstract: The present disclosure provides an electrodialysis stack that may be used for the treatment of an electrically conductive solution. The stack includes two electrodes (at least one is a recessed electrode), a plurality of ion-transport membranes and stack spacers. The membranes and spacers are arranged between the electrodes to define electrodialysis cell pairs. The stack includes an electrically insulated zone that extends substantially from a distribution manifold past the recessed edge of the electrode and substantially from the recessed electrode to the opposite electrode for a distance that is about 8% to 100% of the total distance between the electrodes. The overlap distance that the electrically insulated zone extends past the recessed edge of the electrode is calculated as: distance in cm=(0.062 cm?1)*(exp(?60/total cp)*(area in cm2 of the manifold ducts of the concentrated stream at the recessed edge)+/?10%.

Abstract: Systems and methods for single-pass, countercurrent diafiltration of a fluid feed are provided. The systems and methods operate to reduce impact on the biologic product, reduce use of diafiltration buffer and reduce equipment size compared to traditional systems.

Abstract: An object of the present invention is to provide a resin membrane filter having excellent separation accuracy and excellent toughness, and a manufacturing method of the resin membrane filter. The resin membrane filter of the present invention includes a first main surface, a second main surface, and a plurality of through-holes, in which, in the through-hole, in a case where an average area of an opening portion at a position A which is located at a distance of 10% of a thickness of the resin membrane filter from the first main surface is denoted as Sva and an average area of an opening portion at a position B which is located at a distance of 90% of the thickness of the resin membrane filter from the first main surface is denoted as Svb, 0.8?Sva/Svb?1.25, a number ratio Ra of through-holes in which an area of the opening portion at the position A is more than 1.25 times Sva is 3.0% or less, and a number ratio Rb of through-holes in which an area of the opening portion at the position B is more than 1.

Abstract: The present disclosure relates to a scaling-resistant and yellowing-resistant composite reverse osmosis membrane and a preparation method thereof. By modifying the stability and yellowing of a coating of the reverse osmosis membrane, and grafting 2-(methacryloyloxy)ethyl)dimethyl-3-sulphoproyl) ammonium hydroxide (MEDSAH) and ethylene glycol methacrylate (EGMA) as amphoteric monomers and N-(isobutoxymethyl)acrylamide (IBMA) as yellowing-resistant particles on a surface of the reverse osmosis membrane using active polymerization, the present disclosure forms a three-network high-performance PMEDSAH/PEGMA/PIBMA composite coating. By active regulation of a polyamide (PA) layer through the three systems, the reverse osmosis membrane has high compatibility due to PMEDSAH, and stability, high hydrophilicity and anti-protein fouling property due to PEGMA, as well as yellowing-resistant property by coating PIBMA on the surface.

Abstract: A polymeric hollow fiber membrane is provided having a crosslinked selective layer formed by sequentially performing coating of a polymer precursor on a crosslinked polymeric hollow fiber membrane support and thermal condensation and thermal crosslinking thereof, a carbon molecular sieve hollow fiber membrane, methods for producing the same, and methods of separating gases using the same. The polymeric hollow fiber membrane and the carbon molecular sieve hollow fiber membrane each have a thin crosslinked selective layer and excellent plasticization resistance and separation performance. Accordingly, the polymeric hollow fiber membrane and the carbon molecular sieve hollow fiber membrane, each of which has a thin crosslinked selective layer, can be effectively used in the separation of a mixed gas.

Abstract: Halogen-free, microporous polyolefin membranes are disclosed herein. The halogen-free, microporous polyolefin membranes can be manufactured using an environmentally friendly manufacturing process that includes extrusion of polymer-plasticizer mixtures followed by sheet formation and extraction of the plasticizer with a halogen-free solvent. The halogen-free solvent has a flashpoint greater than about 23° C. and an initial boiling point at least about 50° C. lower than the flashpoint of the plasticizer. The process can further be a closed loop process in which the halogen-free solvent can be reused.

Abstract: A transparent, gas-permeable and waterproof film, particularly for applications in the medical field is disclosed. The film includes a polyolefin base, to which is added a monomeric plasticiser with a percentage by mass of between 10% and 50% and preferably also molecular sieves with a percentage by mass of less than or equal to 20%, this addition enables in particular the gas permeability of the film to be increased, said film thus having a high gas permeability, as well as low water permeability and high transparency, together with various mechanical characteristics and properties so that it is particularly well suited to many applications, in particular in the medical sector and in particular for application to an identification card used in the medical diagnosis.

Abstract: A screw conveyor for mixing a gas into a liquid and a mixing apparatus including the screw conveyor are disclosed. The screw conveyor includes a helical element having a screw core having a longitudinal axis, a primary spiral including a plurality of primary coils and a secondary spiral supported on the primary spiral and including a plurality of secondary coils. The primary spiral and secondary spiral include a plurality of primary coils and second coils in succession. The secondary spiral is slidably rotatable on the primary spiral. The screw conveyor includes at least one deflector spanning each pair of consecutive primary and secondary coils, wherein the longitudinal axis of each deflector is parallel to the longitudinal axis of the screw core, the deflectors are simultaneously rotatable while maintaining their longitudinal axis parallel to the longitudinal axis of the screw core.

Abstract: Disclosed herein are beverage aerator devices that include a body that has a top surface and a bottom surface. At least one choke extends through the body and has a choke inlet at the bottom surface of the body and a choke outlet at the top surface of the body. A pressure exchange extends through the body and has a pressure exchange outlet at the top surface of the body. A pressure exchange tube is in fluid communication with the pressure exchange and has a pressure exchange inlet distal from the bottom surface of the body.

Abstract: A gas infusion tank for a beverage machine includes a tank body defining a holding space for accommodating beverages. A mixing element includes a mixing chamber, an ascending pipe, and a descending pipe. A top of the ascending pipe is fluidly connected to the mixing chamber and a bottom of the ascending pipe has a liquid inlet. The liquid inlet is fluidly connected to the holding space. A top of the descending pipe is fluidly connected to the mixing chamber and a bottom of the descending pipe includes a liquid outlet in fluid communication with the nozzle. A gas intake hole connects the holding space with the mixing chamber.

Abstract: Provided is an ultra fine bubble production device capable of causing a liquid current to flow in a helical manner without reducing a flow rate of the liquid current while reducing the number of components. The ultra fine bubble production device includes the pipe, the compression device, and the gas bubble production medium. The gas bubble production medium is formed of a carbon-based porous material, the pipe has the side surface having a cylindrical shape and the end surfaces having a circular shape, the liquid current inflow port is provided on the side surface, the cylindrical guide member is arranged so as to be connected to the liquid current inflow port, and the guide member has the guide groove having a helical shape.

Abstract: Mixing elements for static mixer utilizing mixing low- to high-viscosity components are provided and comprise a planar central part extending along a longitudinal axis L and having front and rear faces, wherein arranged on the front and/or rear face are at least two flow-influencing elements that each surround at least one through-opening located in the central part and that are each in the form of prism lateral surfaces that are substantially perpendicular to the front and/or rear face, wherein pairs of the elements overlap or are connected to one another at a lateral edge. Static mixers comprising the mixing element and methods for mixing low- to high-viscosity components with the static mixers are also provided.

Abstract: By homogeneously mixing a plurality of fluids, when mixing a gas with a liquid, it is possible to mix a large amount of gas into the liquid, so that large bubbles are not generated, and fine bubbles (in some cases, fine bubbles including microbubbles or ultra-fine bubbles) can be mixed into the liquid. A fluid mixing output apparatus of the present disclosure includes a housing and an internal structure accommodated in the housing. The housing is provided with a plurality of fluid supply ports for supplying at least a first fluid and a second fluid and a fluid outlet at its downstream end for outputting a plurality of fluids after mixing the plurality of fluids. The internal structure includes a first portion, a second portion, a third portion, and a fourth portion. The first portion includes a shaft portion and a vane spirally formed to generate a swirling flow in a fluid.

Abstract: A sample receiving element for use in or with a laboratory device (1), wherein the sample receiving element (3) is configured to receive a sample to be treated by the laboratory device (1) and is penetrated by a magnetic field (20) during operation of the laboratory device, and wherein the sample receiving element (3) is configured to effect, at least in sections, an interruption of an electric current (21) induced by changes in the magnetic field that penetrates the sample receiving element (3).

Abstract: A reactor system comprising a multibed catalytic converter including a mixing region upstream of a catalytic bed, the mixing region is arranged to mix a feed gas of the catalytic bed with a mixing gas, the mixing gas is introduced in the mixing region via a plurality of mixing gas feed lines, each of said lines includes at least one flow regulators device so that the amount of mixing gas admitted into the mixing region by each of the mixing gas feed lines is independently controlled.

Abstract: The disclosure provides a chemical liquid supply apparatus including a chemical liquid storage tank storing a chemical liquid including a plurality of nanorods, a circulation pipe having both ends connected to the chemical liquid storage tank and including a first branch pipe and a second branch pipe, a classifier located at the second branch pipe and including a classification chip and a power supply, and a discharge pipe configured to discharge the chemical liquid to an outside of the circulation pipe, wherein the classification chip collects and releases nanorods of a certain size among the plurality of nanorods, the discharge pipe discharges the nanorods of the certain size to the outside before the nanorods of the certain size released by the classification chip are returned to the chemical liquid storage tank, and the power supply supplies an alternating current to the classification chip.

Abstract: The present disclosure relates to processes for suspending stretched nucleic acids over surface features. These processes can be used to prepare stretched nucleic acids that are more active in enzymatic reactions and other reactions than those laid down on a flat surface. These processes can be achieved by using a photoresist layer on top of a substrate, stretch a nucleic acid on top of the surface, and then remove part of the photoresist to form surface features that suspend the stretched nucleic acid. Furthermore, the formation of a hydrogel layer over the stretched nucleic acid and the surface features can transfer the stretched nucleic acid to the hydrogel for further reactions, including enzymatic reactions.

Abstract: A parallel multi-step bio-reaction system(10) comprising: (a) a substrate arrangement(12) comprising a plurality of bio-reaction substrate holders(18) configured to hold a plurality of bio-reaction substrates(20); (b) a well arrangement(14) comprising a plurality of fluidic wells(22), the fluidic wells(22) corresponding to a plurality of steps of a multi-step bio-reaction; (c) an actuator(16) configured to: (i) move either the substrate arrangement(12) or the well arrangement(14) relative to the other of the substrate arrangement(12) or the well arrangement(14) to change the alignment of the bio-reaction substrates(20) as a group relative to the fluidic wells(22) as a group; and (ii) bring the bio-reaction substrates(20) into and out of contact with fluids in the fluidic wells(22).

Abstract: Systems and methods are provided for improving control of the temperature profile in a cyclic flow reactor, such as a reverse flow reactor, during operation. The improved temperature control is achieved in part based on inclusion of regions having reduced or minimized catalyst density with increased volumetric heat capacity within the reaction zone of the reactor. This improved control over the temperature profile is achieved while reducing or minimizing any loss of reaction capacity due to lowering the amount of catalyst in the reaction zone.

Abstract: Provided is a carbon dioxide absorbent for absorbing carbon dioxide included in a gas. The carbon dioxide absorbent includes biomass combustion ash that is combustion ash of biomass, the biomass combustion ash including calcium oxide. The biomass may include at least one of wood, a livestock excrement, sewage sludge, or an agricultural residue. The biomass may be excrement evacuated by a chicken for a chicken egg. The carbon dioxide absorbent may be slurry including the biomass combustion ash and water. The carbon dioxide absorbent may be a granule, and may include the biomass combustion ash and a binder.

Abstract: Provided is an oxygen absorber including an unsaturated group-containing liquid oligomer, an oxygen absorption-promoting substance, a carrier supporting the unsaturated group-containing liquid oligomer and the oxygen absorption-promoting substance, gas-absorbing inorganic particles, and activated carbon. An amount of the unsaturated group-containing liquid oligomer adsorbed on the gas-absorbing inorganic particles is 6.5 parts by mass or less per 100 parts by mass of the gas-absorbing inorganic particles.

Abstract: A structured material assembly for removing CO2 from a gas, comprises a substrate, a sorbent for adsorbing CO2 from the gas, and a desorption material integrated into the structured material assembly, which is responsive to inputted energy to generate heat to desorb CO2 from the sorbent. The CO2-containing gas may comprise ambient air.

Abstract: Provided is an oxygen absorber containing: a liquid oligomer of an unsaturated hydrocarbon; a transition metal catalyst; a carrier supporting the liquid oligomer of the unsaturated hydrocarbon and the transition metal catalyst; granular activated carbon; and crystalline thermoplastic resin particles. In an analysis curve derived by subjecting the crystalline thermoplastic resin particles and the granular activated carbon to a pyrolysis-gas chromatography analysis under a pyrolysis condition of 600° C., a ratio [Cref/Pref] of a peak area (Cref) of a decomposition product of a low molecular weight component of the crystalline thermoplastic resin particles adsorbed on the granular activated carbon per unit mass of the activated carbon to a peak area (Pref) of the crystalline thermoplastic resin particle decomposition product per unit mass of the crystalline thermoplastic resin particles is 0.20 or less.

Abstract: Biogenic activated carbon compositions disclosed herein comprise at least 55 wt % carbon, some of which may be present as graphene, and have high surface areas, such as Iodine Numbers of greater than 2000. Some embodiments provide biogenic activated carbon that is responsive to a magnetic field. A continuous process for producing biogenic activated carbon comprises countercurrently contacting, by mechanical means, a feedstock with a vapor stream comprising an activation agent including water and/or carbon dioxide; removing vapor from the reaction zone; recycling at least some of the separated vapor stream, or a thermally treated form thereof, to an inlet of the reaction zone(s) and/or to the feedstock; and recovering solids from the reaction zone(s) as biogenic activated carbon. Methods of using the biogenic activated carbon are disclosed.

Abstract: A hemp hurd-based nonwoven material comprising a portion of hemp hurd and a portion of at least one other material; wherein the material is a natural or synthetic fiber selected from the group consisting of: polyester, nylon, polyethylene, polypropylene, cotton, flax, jute, ramie, bicomponent fibers, wood pulp, and other fibrous materials; and wherein the nonwoven material comprises between 1% and 99% hemp hurd.

Abstract: A sorbent polymer composite article is disclosed for adsorption. The sorbent polymer composite article includes a composite layer comprising a porous polymer and a sorbent material. The sorbent polymer composite article also includes at least one hydrophobic layer on either side of the first composite region.

Abstract: Compositing a gas adsorbant, macroporous object includes the immersion of a macroporous substrate into a charge stabilized suspension of nanoparticles that has been adapted for electrostatic repulsion. In this regard, the macroporous substrate includes a multiplicity of pores and demonstrates a compatibility with an adsorbant additive while lacking a repellant reaction to the charge stabilized solution. The nanoparticles are then positioned onto different walls of the pores resulting in the decoration of the macroporous structure with high surface volume materials. Finally, the macroporous substrate is removed from the suspension and dried. Thereafter, a gas adsorbant additive is introduced onto both surface portions of the macroporous substrate and also to the different walls of the pores of the macroporous substrate.

Abstract: Provided is a method of preparing a superabsorbent polymer, more particularly, a method of preparing a superabsorbent polymer, in which a cationic polymer is included as a surface crosslinking agent, thereby achieving excellent general absorption-related properties. There is also provided a superabsorbent polymer including a base polymer powder including a crosslinked polymer of a water-soluble ethylenically unsaturated monomer having acidic groups, of which at least part is neutralized; and a surface-crosslinked layer which is formed on the base polymer powder by further crosslinking the crosslinked polymer via a surface crosslinking agent, wherein the surface-crosslinked layer includes a cationic polymer including quaternary ammonium ions in repeating units.

Abstract: Provided herein is a multi-component chromatographic material and use thereof for reversed-phase liquid chromatography. The multi-component chromatographic materials provided herein comprise a chromatographic core having an exterior surface; and at least two different hydrophobic ligands covalently bound to the exterior surface with a total surface coverage less than 2.0 ?mol/m2. The multi-component chromatographic materials of the present technology are beneficial for reversed-phase liquid chromatography using highly aqueous mobile phases. For example, chromatographic materials described herein allow mitigating or preventing significant retention loss of reversed-phase liquid chromatography columns after flow interruption.

Abstract: The claimed solution relates to catalysts for the hydrocarbons dehydrogenation, and particularly relates to a novel catalyst having a structure that makes it possible to provide high olefin selectivity and a high yield of olefins in a dehydrogenation process. The aim of the present solution is to develop a catalyst structure that provides greater selectivity and a higher yield of olefins in hydrocarbons dehydrogenation processes. The effect of the present solution includes providing high catalytic activity and selectivity in hydrocarbons dehydrogenation processes, and expanding the range of products applicable in hydrocarbons dehydrogenation processes.

Abstract: A bed grading material includes fibers, a hardening agent, and a binder. The fibers include alumina, and the bed grading material may include a catalyst. The bed grading material can include a mixture of different fibers and can be vacuum formed, pressed, wet-laid, extruded, or 3D printed. The bed grading material may be beneficially incorporated into a reactor.

Abstract: Provided is an exhaust gas purification catalyst providing a catalyst performance and an OSC performance at the same time even at low temperature. The present disclosure relates to an exhaust gas purification catalyst including a substrate and a catalyst coating layer coated on the substrate. The catalyst coating layer includes a first catalyst coating layer containing Pd and/or Pt and a second catalyst coating layer containing Rh. The first catalyst coating layer is formed from an end portion in an upstream side with respect to an exhaust gas flow direction in the exhaust gas purification catalyst. The second catalyst coating layer includes an upstream coating layer and a downstream coating layer. Rh in the upstream coating layer and the downstream coating layer are supported on specific carrier particles. Further, a particle diameter of Rh is controlled.

Abstract: The present disclosure relates to a catalyst for ammonia decomposition, a manufacturing method therefor, and a method for producing hydrogen using the same. More particularly, the present disclosure relates to a catalyst for ammonia decomposition, a manufacturing method therefor, and a method for producing hydrogen using the same, in which by manufacturing a catalyst for decomposition of ammonia using a solvothermal synthesis method to which alcohol is applied, an ammonia conversion rate can be improved due to excellent catalytic activity in an ammonia decomposition reaction, and hydrogen can be efficiently produced from ammonia due to long-term stability even at a high temperature and for long periods of time.

Abstract: The present invention is a perovskite metal oxide catalyst substituted with metal ions for reducing carbon deposition, a method for producing the same, and a process for performing a methane reforming reaction using this catalyst. The catalyst is produced in which Ni in ionic form is substituted at a portion of the Ti site of SrTiO3, MgTiO3, CaTiO3, or BaTiO3, which is a multi-component metal oxide having a perovskite structure. Then, various methane reforming reactions (steam-methane reforming, dry reforming of methane, catalytic partial oxidation of methane) may be efficiently and economically performed using this catalyst. The nickel-substituted perovskite metal oxide catalyst has a structure in which Ni2+ is substituted in the perovskite lattice structure. Thus, the metal oxide catalyst has advantages in that carbon deposition thereon does not occur, and thus, the catalyst has a high catalytic stability and may be used for a long time.

Abstract: A catalyst for methane synthesis is made up from layered double hydroxides represented by the following general formula (1). [M2+1-xM3+x(OH)2]x+[An?x/n·yH2O]??(1) In formula (1), M2+ is Ni2+ and M3+ is Al3+ or Cr3+. Further, An? is CO32?. Furthermore, the term x lies within a range of 0.19 to 0.34 (0.19?x?0.34), and y is 0 or a positive integer.

Abstract: This disclosure generally relates to methods for producing catalyst compositions, which may include forming a precursor solution comprising a silicon-containing material, an aluminum-containing material, and a quaternary amine, hydrothermally treating the precursor solution at a first temperature to form an intermediate mixture, hydrothermally treating the intermediate mixture at a second temperature to form beta zeolite, wherein the first temperature is less than the second temperature by at least 200° C., forming an extrudable mixture comprising the beta zeolite, alumina, a metal precursor, and a binder, extruding the extrudable mixture to form extrudates, and calcining the extrudates to form the catalyst composition.

Abstract: Disclosed is a method to modify metal-organic frameworks (MOFs) by irreversible adsorption of nucleotides including, but not limited to, adenosine triphosphate (ATP), guanosine triphosphate (GTP), deoxyadenosine triphosphate (dATP), adenosine diphosphate (ADP), and adenosine monophosphate (AMP), the modified MOFs, and the use of the modified MOFs as adsorbents and catalysts.

Abstract: To provide a photocatalyst decomposition apparatus that can supply a liquid phase containing a substance to be decomposed by a photocatalyst and that can perform decomposition of the substance more efficiently than in the related art. A photocatalyst decomposition system according to the invention includes: a gas phase generation apparatus configured to convert a liquid phase containing a decomposition object into a gas phase; and a photocatalyst member configured to come into contact with the gas phase to decompose the decomposition object by light from a light source. The photocatalyst member includes a base material formed of a porous material and a photocatalyst layer provided on a surface of the base material.