Abstract: The present invention provides a protection device for air filter, which includes a dust sensor and an air filter protector, wherein, the air filter protector includes: a dust concentration comparator adapted for comparing a level signal transmitted by the dust sensor to represent a particle concentration of dust or smoke with a reference level, so as to output a positive or negative pulse signal according to a result of the comparison; a first inverter; a pulse generator and adapted for inverting a pulse signal outputted by the first inverter; a filtering comparator adapted for converting an output of the pulse generator into a high or low level signal; a relay switch adapted for performing on or off action according to the output of the filtering comparator, so as to control opening and closing of an air valve of the air filter.

Abstract: The present disclosure relates to filter assemblies. The features described and characterized are typically applied in gas (for example, air) cleaner assemblies. A typical use is in air cleaner assemblies for vehicles or other equipment. The techniques described relate, at least in part, to provision of assemblies with preferred configurations for convenient servicing and operation, while ensuring a proper cartridge is appropriately positioned, oriented and secured for use. Many of the techniques relate to arrangements in which features at opposite ends of a housing and/or cartridge are eccentrically positioned as described.

Abstract: An air cleaner includes a housing, a pleated filter element, and a spacing piece. The filter element is accommodated in the housing. The spacing piece is arranged between an inner surface of the housing and one of the pleats of the filter element that is located at an end of the filter element. The spacing piece maintains a space between the inner surface of the housing and the one of the pleats located at the end of the filter element.

Abstract: A nestable framed pleated air filter, including a non-self-supporting, compressible, pleated air filter media with a plurality of oppositely-facing pleats and with a plurality of upstream pleat tips and downstream pleat tips and downstream pleat valleys, the pleated air filter media further including a plurality of bridging filaments that are bonded to at least some of the upstream pleat tips. The filter includes a frame with sidewalls that are angled so that the framed pleated air filter is nestable.

Abstract: A process for component separation in a polymer production system comprising: (a) separating a polymerization product into a gas stream and a polymer stream; (b) processing the gas stream in distillation columns to yield a light hydrocarbon stream (LHS) comprising ethylene and ethane; (c) contacting LHS with a purged hydrocarbon adsorber to yield a loaded hydrocarbon adsorber and a non-adsorbed gas stream, wherein ethane is adsorbed by the purged hydrocarbon adsorber at a first pressure to yield adsorbed ethane, and wherein the non-adsorbed gas stream comprises recovered ethylene; (d) contacting the loaded hydrocarbon adsorber with a sweeping gas stream at a second pressure to yield an unloaded hydrocarbon adsorber and a recovered adsorbed gas stream comprising the sweeping gas stream and desorbed ethane; and (e) contacting the unloaded hydrocarbon adsorber with the sweeping gas stream at the first pressure to yield the purged hydrocarbon adsorber and a spent sweeping gas.

Abstract: Method of decarbonating a hydrocarbon gas, a natural gas for example, by washing with a solvent. Said gas is contacted with an absorbent solution so as to obtain a CO2-depleted gas and a CO2-laden absorbent solution. The CO2-laden absorbent solution is then heated and expanded at a predetermined pressure and temperature so as to release a hydrocarbon-containing gaseous fraction and to obtain a hydrocarbon-depleted absorbent solution, said pressure and temperature being so selected that said gaseous fraction comprises at least 50% of the hydrocarbons contained in said CO2-laden absorbent solution and at most 35% of the CO2 contained in said CO2-laden absorbent solution. Finally, the hydrocarbon-depleted absorbent solution is thermally regenerated so as to release a CO2-rich gaseous effluent and to obtain a regenerated absorbent solution.

Abstract: A device for the purification of exhaust air produced during the processing of wood materials comprises a first circuit (A) having a scrubber (2), a mist eliminator (4) and a regeneration container (7). In order to strip the washing liquid from organic substances, a second circuit (B) is provided and serves to remove a sub-stream of the washing liquid from the first circuit (A) and supply it to a desorber (12). The washing liquid purified in this way is recirculated to the first circuit (A).

Abstract: A contaminated gas stream can be passed through an in-line mixing device, positioned in a duct containing the contaminated gas stream, to form a turbulent contaminated gas stream. One or more of the following is true: (a) a width of the in-line mixing device is no more than about 75% of a width of the duct at the position of the in-line mixing device; (b) a height of the in-line mixing device is no more than about 75% of a height of the duct at the position of the in-line mixing device; and (c) a cross-sectional area of the mixing device normal to a direction of gas flow is no more than about 75% of a cross-sectional area of the duct at the position of the in-line mixing device. An additive can be introduced into the contaminated gas stream to cause the removal of the contaminant by a particulate control device.

Abstract: A catalytic converter reactor having in-built catalytic converter modules, wherein the total flow impingement surface area provided by the catalytic converter elements fitted in the catalytic converter modules is larger than the flow impingement surface area of the catalytic converter reactor, the module impingement surface area being defined by the catalytic converter module surfaces facing the main flow direction, and the catalytic converter modules being positioned so that the waste gas flows through the catalytic converter elements contained therein in a direction different from the flow direction on the intake and exit sides.

Abstract: A system for controlling a condition for entry into a fuel cut mode comprises a controller that receives a temperature of a catalyst in a catalytic converter and determines whether the temperature is within a temperature range in which the catalyst is activated, wherein the controller changes a condition for entry into the fuel cut mode according to the temperature.

Abstract: The present invention relates to a system and a method for the concentration of slurry, especially mineral containing slurry. The invention provides a system comprising an electrophoresis unit and a separation unit, where the separation unit comprises a recipient, preferably of half cylindrical form, with adjusted flanks for separating the solid material or cake from the rotating anodes and a sliding carriage suitable for closing the recipient and stripping resting solid material from the flanks into the recipient before the solid material or cake is pressed out of the recipient by a piston.

Abstract: In order to efficiently transport a filtration target liquid to a separation membrane module and to facilitate additional simplification of equipment in a filtration device including the separation membrane modules in which a plurality of lines thereof are disposed in series, a filtration device according to the present invention is a filtration device including a plurality of separation membrane modules each of which separates a liquid to be filtrated into a permeated liquid and a non-permeated liquid, in which the filtration device includes: a series non-permeated liquid flow channel that forms a series unit by connecting non-permeation sides of the plurality of separation membrane modules in series; and a parallel permeated liquid flow channel that forms a parallel unit by connecting permeation sides of the plurality of separation membrane modules in parallel.

Abstract: A graphene filtering sheet is disclosed. The sheet includes a reduced grapheme oxide (r-GO) dispersed in a polymer with the reduced grapheme oxide (r-GO) having a chemical structure with C/O ratio ranging from 0.1 to 50. The reduced grapheme oxide is obtained via hydrothermal method. The graphene filtering sheet has a capacity of separating alcohol from water with an efficiency approximated to 100%.

Abstract: Microporous membrane composites that are non-dewetting are disclosed. These microporous membrane composites are wet with solutions of methanol and water and are non-dewetting following autoclave treatment in water. The microporous membrane composites comprise a microporous membrane support that is coated with a crosslinked ionomer comprising hydrophilic groups. Compared to the microporous membrane support, the microporous membrane composite has a flow loss on average in isopropyl alcohol of less than 82%.

Abstract: The invention concerns polyimide membranes, preferably composed of P84 type 70 or P84 HT, having improved chemical and physical properties, a method of producing same and also their use.

Abstract: A receptacle includes a cardboard box in which is arranged a plastics container. A first securement element associated with the plastics container is positioned in a gap defined by the cardboard of the box thereby to restrict movement of the container within the box.

Abstract: A system for analyzing feed mixtures, which comprises: a mixing apparatus suitable for containing a plurality of feeds and comprising a mixing means suitable for mixing said plurality of feeds so as to define a feed mixture; a sensing means suitable for acquiring chemical and/or physical parameters of the feed mixture; and a processing unit connected to the sensing means. The sensing means comprises at least an image acquisition device and the processing unit is configured to determine the degree of homogeneity of the feed mixture and/or configured to determine the length of the fibres included in the mixture.

Abstract: A paint dispensing apparatus having a housing with a turntable rotatably mounted to the housing about a vertical axis. A plurality of stations on the turntable are circumferentially spaced from each other and each station is adapted to receive a paint dispenser having a plunger in which movement of the plunger dispenses paint from the paint dispenser. An indexing drive, upon activation, rotates the turntable to sequentially position the stations at a dispensing position. When at the dispensing position, an actuator mounted to the housing mechanically engages the plunger of the paint dispenser positioned at the dispensing station. A receptacle is mounted to the housing beneath the turntable and aligned with the dispensing position.

Abstract: The present invention relates to a caprolactam-based fatty amide additive useful as a hydrogelator for aqueous compositions.

Abstract: Polyelectrolyte complex microcapsules are prepared by a novel template- and surfactant-free method. The microcapsules are produced spontaneously by ultrasonically spraying a solution of complex into a hot water reservoir which enhances diffusion and relaxation of polymer. The size and wall thickness of microcapsules are precisely controlled. Encapsulation of polymers and nanoparticles by mixing them with polyelectrolyte solutions is demonstrated.

Abstract: The present invention generally relates to microparticles and, in particular, to systems and methods for encapsulation within microparticles. In one aspect, the present invention is generally directed to microparticles containing entities therein, where the entities contain an agent that can be released from the microparticles, e.g., via diffusion. In some cases, the agent may be released from the microparticles without disruption of the microparticles. The entities may be, for instance, polymeric particles, hydrogel particles, droplets of fluid, etc. The entities may be contained within a fluid that is, in turn, encapsulated within the microparticle. The agent may be released from the entity into the fluid, and then from the fluid through the microparticle. In such fashion, the release of agent from the microparticle may be controlled, e.g., over relatively long time scales.

Abstract: The present invention generally relates to microparticles and, in particular, to systems and methods for encapsulation within microparticles. In one aspect, the present invention is generally directed to microparticles containing entities therein, where the entities contain an agent that can be released from the microparticles, e.g., via diffusion. In some cases, the agent may be released from the microparticles without disruption of the microparticles. The entities may be, for instance, polymeric particles, hydrogel particles, droplets of fluid, etc. The entities may be contained within a fluid that is, in turn, encapsulated within the microparticle. The agent may be released from the entity into the fluid, and then from the fluid through the microparticle. In such fashion, the release of agent from the microparticle may be controlled, e.g., over relatively long time scales.

Abstract: The present disclosure provides a method for generating an affinity reagent library against a target protein which interacts with a ligand, which comprises the following steps; i) determining one or more structural element(s) of the ligand which are involved in ligand: target protein interaction; ii) producing a library of peptides which retain these structural element(s); and iii) grafting each peptide from the library of peptides into a portion of the affinity reagent molecule such that it may interact with the target protein, in order to produce an affinity reagent library.

Abstract: Certain aspects of the present invention provide devices and methods for preparing oligonucleotides and for assembling nucleic acid molecules using microfluidic devices.

Abstract: Methods and apparatus relate to the synthesis of high fidelity polynucleotides and to the reduction of sequence errors generated during synthesis of nucleic acids on a solid support. Specifically, design of support-bound template oligonucleotides is disclosed. Assembly methods include cycles of annealing, stringent wash and extension of polynucleotides comprising a sequence region complementary to immobilized template oligonucleotides. The error free synthetic nucleic acids generated therefrom can be used for a variety of applications, including synthesis of biofuels and value-added pharmaceutical products.

Abstract: A device consisting of antenna units and connected to a signal generator, capable of dissociating or breaking down molecules in solution, suspension or fluids in general, into their constituent elements, in order to recycle said compounds and eliminate contaminants which, if they remain chemically bound, would be dangerous or harmful to human, plant or animal health is provided.

Abstract: A process is described for treating a natural gas stream containing methane and one or more higher hydrocarbons including the steps of mixing at least a portion of the natural gas stream with steam; passing the mixture adiabatically over a supported precious metal reforming catalyst to generate a reformed gas mixture comprising methane, steam, carbon dioxide, carbon monoxide and hydrogen; cooling the reformed gas mixture to below the dew point to condense water and removing the condensate to provide a de-watered reformed gas mixture, and passing the de-watered reformed gas mixture through an acid gas recovery unit to remove carbon dioxide and at least a portion of the hydrogen and carbon monoxide, thereby generating a methane stream. The methane stream may be used to adjust the composition of a natural gas stream, including a vapourised LNG stream, to meet pipeline specifications.

Abstract: Provided is a reactor in which a catalyst to accelerate reaction of a reactant is allowed to act on a reaction fluid having the reactant. The reactor has a partition that defines, in a parallel form, a plurality of reaction flow passages through which the reaction fluid flows, and a plurality of catalyst structures, each having a catalyst and being respectively provided in each of the plurality of reaction flow passages. The partition has a communicating portion allowing the plurality of reaction flow passages to communicate mutually.

Abstract: The continuous solid-state polymerisation device of the present invention comprises: a feeder for continuously introducing a prepolymer; a horizontal reactor which is connected via a first connecting part to the feeder and receives the prepolymer from the feeder so as to subject same to solid-state polymerisation, wherein the reactor itself is rotated; a stirring device which comprises a stirring shaft rotating inside the horizontal reactor, in the direction opposite to that of the rotational axis of the horizontal reactor, and comprises stirring blades joined vertically to the stirring shaft; and a chamber which is connected via a second connecting part to the horizontal reactor and, once the solid-state polymerisation has been completed, receives the resulting polymer discharged from the horizontal reactor, and, here, the feeder, the horizontal reactor and the chamber are in a vacuum state.

Abstract: Provided are: a Mn+-exchanged beta zeolite which is useful for the catalytic removal of nitrogen monoxide contained in a gas to be purified even when oxygen is contained in the gas at a high concentration or when the gas has a low temperature; and a method for producing the Mn+-exchanged beta zeolite. The Mn+-exchanged beta zeolite according to the present invention has a SiO2/Al2O3 ratio of 7 to 18, and is ion-exchanged by a Mn+ ion (wherein Mn+ represents a n-valent metal cation; n represents a numeral value of 1 to 3; and M represents an element selected from the group consisting of Ni, Co, Cu, Mn, Zn, Sn, Ag, Li, K, Cs, Au, Ca, Mg, Pt, Pd, Rh and Ir). The amount of the Mn+ ion carried on the Mn+-exchanged beta zeolite is preferably from 0.01 to 2.5 mmol/g relative to the amount of the Mn+-exchanged beta zeolite.

Abstract: Provided is an adsorbent for carbon dioxide, including: a graphene oxide layer having an interconnected network structure; and carbon nitride formed on the graphene oxide layer.

Abstract: Disclosed are a carbon dioxide separating material comprising a polyamine carrier in which a polyamine having at least two isopropyl groups on one or more of the nitrogen atoms is loaded on a support, and a method for separating or recovering carbon dioxide using the carbon dioxide separating material.

Abstract: A process for producing surface postcrosslinked water-absorbing polymer particles, wherein the water-absorbing polymer particles are coated, before, during or after the surface postcrosslinking, with at least one basic salt of a trivalent metal cation and a monovalent carboxylic acid anion.

Abstract: Provided is a temperature-responsive hygroscopic material having a hygroscopic property that varies widely according to temperature variation and a method for producing the temperature-responsive hygroscopic material. The temperature-responsive hygroscopic material includes a mesoporous body having an average pore diameter of 2 nm to less than 50 nm and a temperature sensitive molecule chemically bonded with the mesoporous body inside a pore of the mesoporous body. The method includes a step of causing, in a solvent including an activator and a coupling agent, a coupling reaction of: a mesoporous body having an average diameter of 2 nm to less than 50 nm and having a functional group on a surface thereof; and a temperature sensitive molecule having a functional group which can undergo a coupling reaction with the functional group on the surface of the mesoporous body.

Abstract: The invention belongs to the technical field of preparation of a ceramsite catalyst and discloses a ceramsite catalyst containing metal oxide particles and a preparation method and application thereof. The preparation method including the following specific steps of: dissolving a metal salt with an ozone catalytic activity in water to obtain a metal salt solution; mixing the metal salt solution with a ceramsite raw material to prepare a ceramsite embryoid body; and sintering the ceramsite embryoid body at a high temperature to obtain the ceramsite catalyst containing metal oxide particles. The ceramsite catalyst containing metal oxide particles of the invention can be repeatedly used, so that secondary pollution is reduced; and with the same ozone input quantity, by adding the ceramsite catalyst containing metal oxide particles of the present invention, the efficiency of water treatment through ozone oxidization can be increased by 41.35%.

Abstract: Disclosed is a carrier for an exhaust gas purifying catalyst, the carrier containing aluminum borate represented by 9Al2O3 2B2O3 and modified with La2O3 in an amount of 0.3 to 2 mass % on the basis of the mass of the aluminum borate; an exhaust gas purifying catalyst containing the carrier, and Pd or Pd+Ba supported on the carrier; an exhaust gas purifying catalyst product containing a catalyst support made of a ceramic or metallic material, and a layer of the exhaust gas purifying catalyst supported on the catalyst support, which catalyst product may also contain an Rh catalyst layer supported on the layer of the exhaust gas purifying catalyst; and a method for producing the exhaust gas purifying catalyst.

Abstract: A process for producing a Fischer-Tropsch synthesis catalyst according to the present invention comprises a step of calcining a carrier precursor containing silica calcined at a temperature T1 and a zirconium compound at a temperature T2 to obtain a carrier; and a step of calcining a catalyst precursor containing the carrier and a cobalt compound and/or a ruthenium compound at a temperature T3, wherein the content of the zirconium compound in the carrier precursor is 0.01 to 7% by mass in terms of zirconium oxide based on the total mass of the catalyst, and T1, T2, and T3 satisfy conditions represented by expressions (1) to (3): T1?T3??(1) 250° C.?T2?450° C.??(2) 250° C.?T3?450° C.??(3).

Abstract: An oxide catalyst is formed by vaporizing a quantity of at least one precursor material or catalyst material thereby forming a vapor cloud. The vapor cloud is quenched forming precipitate nanoparticles. The nanoparticles are impregnated onto supports. The supports are able to be used in existing heterogeneous catalysis systems. A system for forming oxide catalysts comprises means for vaporizing a quantity of at least one precursor material or at least one catalyst material, quenching the resulting vapor cloud and forming precipitate nanoparticles. The system further comprises means for supports with the nanoparticles.

Abstract: Provided is AEI zeolite having a uniform acid strength of an appropriate degree. AEI zeolite comprising phosphorus, preferably AEI zeolite comprising phosphorus in the pores, and a method for producing AEI zeolite comprising a crystallization step of crystallizing a raw material mixture containing a tetraethylphosphonium cation.

Abstract: The present invention relates to a photocatalyst using a semiconductor-carbon nanomaterial core-shell composite quantum dot and a method for preparing the same, more particularly to a microparticle in which a semiconductor-carbon nanomaterial core-shell composite quantum dot is self-assembled using 4-aminophenol, capable of improving photoelectochemical response and photoconversion efficiency when used as a photocatalyst or a photoelectrode of a photoelectochemical device, a photoelectochemical device using the same and a method for preparing the same.

Abstract: RGO is coupled with AgP in a novel one-pot photo-reduction technique in presence of a sacrificial agent like dry ethanol. Tests of the collected dirty green semiconducting towards adosoptive photodegradation of textile dyes showed that 4 wt. % RGO-AgP can degrade 100, 76, 98.57, 67.88, 69.92% of RhB, Rh6G, MB, CR and MO, respectively within only 5 min under VISL illumination over 1.5 g/L of catalyst.

Abstract: Methods for forming an interconnected network of solid material and pores, with metal residing only at the air/solid interface of the interconnected network structure are described. In certain embodiments, nanoparticle decorated sacrificial particles can be used as sacrificial templates for the formation of a porous structure having an interconnected network of solid material and interconnected network of pores. The nanoparticles reside predominantly at the air/solid interface and allow further growth and accessibility of the nanoparticles at defined positions of the interconnected structure. SEM and TEM measurements reveal the formation of 3D interconnected porous structures with nanoparticles residing predominantly at the air/solid interface of the interconnected structure.

Abstract: Catalysts useful in transforming biomass to bio-oil are disclosed, as are methods for making such catalysts, and methods of transforming biomass to bio-oil. The catalysts are especially useful for, but are not limited to, microwave- and induction-heating based pyrolysis of biomass, solid waste, and other carbon containing materials into bio-oil. The catalysts can also be used for upgrading the bio-oil to enhance fuel quality.

Abstract: A nano-particle comprising: an interior region comprising a mixed-metal oxide; and an exterior surface comprising a pure metal. In some embodiments, the mixed-metal oxide comprises aluminum oxide and a metallic pinning agent, such as palladium, copper, molybdenum, or cobalt. In some embodiments, the pure metal at the exterior surface is the same as the metallic pinning agent in the mixed-metal oxide in the interior region. In some embodiments, a catalytic nano-particle is bonded to the pure metal at the exterior surface. In some embodiments, the interior region and the exterior surface are formed using a plasma gun. In some embodiments, the interior region and the exterior surface are formed using a wet chemistry process. In some embodiments, the catalytic nano-particle is bonded to the pure metal using a plasma gun. In some embodiments, the catalytic nano-particle is bonded to the pure metal using a wet chemistry process.

Abstract: A process for the regeneration of a supported noble metal catalyst comprising contacting the catalyst with a liquid aqueous system at a temperature in the range of from 90 to 160° C., wherein the pH of the aqueous system is outside the range of from 6 to 8, separating the aqueous system from catalyst; and subjecting the catalyst to calcination.

Abstract: A method for regenerating a carbonyl sulfide (COS) hydrolysis catalyst for hydrolyzing COS which is contained in a gas obtained by gasifying a carbon material, wherein a spent COS hydrolysis catalyst is immersed in an acid solution for a prescribed time thereby removing poisoning substances adhering to the surface of the COS hydrolysis catalyst; and thus regenerating the COS hydrolysis catalyst.

Abstract: An alumina-based adsorbent and method of making exhibiting high affinity and capacity towards fluoride ions and oxyanions of phosphorus and arsenic in a broad pH range and presence of large excess of competitive ions. Alumina based adsorbent is a mixed oxide of alumina existing in tetra-, penta-, and octahedral coordination at specific ratio, and oxides of polyvalent metals of elements titanium, zirconium, tin, cerium, lanthanum, iron, or combinations thereof. The alumina based adsorbent may be used for selective removal of fluoride ion and oxyanions of phosphorus and arsenic from drinking water, industrial streams and wastes, in medicine and food industry.

Abstract: Described is a pipet, or micropipet, that can be used to dispense multiple aliquots of a biological fluid sample. The pipet includes a capillary tube, a plunger and a plunger stop mechanism having multiple stop positions that allow the plunger to move through the capillary tube in equal incremental steps. The plunger stop mechanism enables the pipet to dispense equal volume portions of fluid in the capillary tube. Advantageously, the pipet can be fabricated at low cost and may be provided as a single-use disposable device. The micropipet may be provided to users with a sample collection device such as a dried blood spot card having multiple collection regions. The pipet optionally includes a dispensing stage that maintains a predetermined separation between the tip of the pipet and a surface of a sample collection medium to limit wicking of the fluid when an aliquot is dispensed.

Abstract: Apparatuses with pre-packaged reagents comprise a reagent package and a protrusion member. More particularly, the reagent package comprises a base and a cover layer, in which the base further comprises at least one pocket. Each pocket is configured to store a reagent, and the cover layer is configured on the at least one pocket to seal the at least one pocket. The protrusion member further comprises an opening and is configured at an injection site, in which the injection site is on each storage chamber disposed on a microfluidic disc. Furthermore, the configuration of the pockets on the base is in accordance with the configuration of the protrusion members. Therefore, the protrusion members would punch through the pockets once the protrusion members are aligned and combined to the pockets. And the following rotation of the microfluidic disc would generate centrifugal force and sequentially release reagents into storage chambers.

Abstract: The invention provides for a novel dynamically configurable point-of-care device for clinical diagnostics and research for analysis of activity associated with pluripotent stem cells, tumor cells, drug metabolites, immunological response, glucose monitoring, cardiovascular diseases, liver cell therapy, cell-cell signaling, epidemic outbreaks, hospital based infectious diseases, pathogens, germ cells, pharmacological compounds, oxidation reduction, microscopy, tomography, flow cytometry, clinical lab testing, and for providing immunoassays, ELISA, electrophoresis, PCR, chromatography, and other laboratory functions. The device comprises a biochemical processing module further comprising a processor and at least one controller, receiving microfluidic elements, sensors, software scripts, an electrically operated interface, flow ports, a user interface, memory, and a communications link, configurable based on analysis of patient data.