Abstract: A filter media includes flat sheets that are corrugated into a honeycomb matrix wherein air flows through the material and airborne contaminants are captured on the sidewalls of the material, wherein an active electrostatic field is applied to the flat sheets.

Abstract: A ceramic honeycomb structure including large numbers of flow paths partitioned by porous cell walls; (a) the cell walls having porosity of 55-65%; and (b) in a pore diameter distribution in the cell walls measured by mercury porosimetry, (i) a pore diameter at a cumulative pore volume corresponding to specific percentages of the total pore volume being within specific ranges and satisfying specific relationships; (ii) the difference of a logarithm of the pore diameter at a cumulative pore volume corresponding to 20% of the total pore volume and a logarithm of the pore diameter at 80% being 0.39 or less; and (iii) the volume of pores of more than 100 ?m being 0.05 cm3/g or less.

Abstract: An end cap and filter element incorporating the same is provided. In one embodiment, the filter element includes a top end cap and a bottom end cap. The top end cap having a ring-shaped well that is defined along its bottom side and a rectangular flange projecting upward along its top side. The top end cap further comprising a rectangular gasket disposed proximate to the rectangular flange of the top end cap and contained within the rectangular flange of the top end cap. The bottom end cap is a closed end cap and is spaced below the top end cap. The filter element further comprises a ring of filter media. The filter media is bonded with the ring shaped well of the top end cap and the closed bottom end cap.

Abstract: Disclosed is a method for the removal of soluble particulate matter from a gas stream, such as urea dust from the off-gas of a finishing section of a urea production plant. The method comprises subjecting the off-gas to at least two quenching stages an aqueous quenching liquid. The quenching liquid used in a first, upstream quench stage, is allowed to have a higher concentration of dissolved particulate matter than the quenching liquid in the second, downstream quench stage. The quenched gas is led through a particle capture zone, typically comprising one or more of a wet scrubber, a Venturi scrubber, and a wet electrostatic precipitator.

Abstract: Air treatment modules, systems and methods for removing contaminants from indoor air are provided. Device embodiments may include one or more air inlets, one or more air outlets and a plurality of inserts which each include at least one adsorbent material. The inserts may be arranged separate from each other to form a plurality of substantially parallel air flow paths between the one or more air inlets and one or more air outlets. The adsorbent material may be arranged for regeneration within the air treatment module using thermal swing desorption and/or pressure swing desorption. Related systems, methods and articles of manufacture are also described.

Abstract: A system for treating a biogas stream is described. The system includes a venturi device in communication with a biogas stream source and an influent water source to combine the biogas stream and the influent water to produce a gas-water effluent. The system also includes a degas separator in communication with the venturi device for receipt of the gas-water effluent to produce a relatively low solubility gas effluent and a relatively high solubility gas-water mixture effluent. In addition, the system includes a gas-water pressure release valve in communication with the degas separator to control release of the relatively low solubility gas effluent and a discharge pressure control valve in communication with the degas separator to control release of the relatively high solubility gas-water mixture effluent.

Abstract: The present invention relates to an acid gas capture system and method which can reduce the energy consumption by using the heat from the system itself of an acid gas capture system. The system and method according to the present invention causes heat exchange to occur between an absorbent discharged from the upper part of an absorption tower of the capture system and a mixed gas comprising an acid gas, and a portion of an absorbent solution which has absorbed the acid gas discharged from the lower part of the absorption tower, and additionally, the remaining absorbent solution excluding said portion thereof undergoes heat exchange with the regenerated high-temperature absorbent solution discharged from the reboiler to preheat the absorbent solution supplied to the regeneration tower, thereby reducing the thermal energy required by same.

Abstract: One or more processes to cool a wet natural gas feed stream before the feed stream is passed to a guard bed zone for a membrane separation unit. The processes utilizing an existing processes stream that has a temperature below the hydrate formation temperature of the feed stream. The existing stream may be a residue stream from the membrane separation unit which is heat exchanged with a cleaned stream from the guard bed zone. The cooled clean stream may then be used to cool the wet feed stream.

Abstract: A gas separation membrane module includes hollow polymeric fibers held within a casing, the fibers being anchored by tubesheets at the ends of the casing. A filter material, preferably made of an activated carbon fiber fabric, is integral with the module, such that all gas entering the module must pass first through the filter before reaching the fibers. The filter may have the form of a circular pad affixed to one of the tubesheets. Alternatively, the filter could be a wrap disposed around the fibers, inside the casing. In another alternative, the filter could be provided within a core tube, in cases where a feed gas is introduced through the core of the module. In another embodiment, the filter could be provided in a separate unit from the gas separation module.

Abstract: The high temperature titanium-catalyst comprises a body, the body having a hot gas inlet and a hot gas outlet. The body comprises an array of titanium containing catalytic elements, wherein the array of titanium containing catalytic elements is arranged such that hot gas containing an amount of hexavalent chromium Cr(VI) may enter the body at the hot gas inlet, may pass through the array of titanium containing catalytic elements and may leave the body at the hot gas outlet. When the titanium-catalyst is in use, Cr(VI) in the hot gas containing an amount of Cr(VI) reacts with titanium oxide in a surface layer of the titanium containing catalytic elements, whereby the Cr(VI) is reduced to trivalent chromium Cr(III) thus reducing the amount of Cr(VI) in the hot gas containing an amount of Cr(VI).

Abstract: An apparatus may have a selective catalytic reduction NOx catalyst including a high-temperature catalyst layer having high capability of reducing NOx at high temperatures and a low-temperature catalyst layer having higher capability of reducing NOx at low temperatures than that of the high-temperature catalyst layer. The low-temperature catalyst layer may be arranged closer to a catalyst substrate than the high-temperature catalyst layer. A supply valve may add an addition quantity of reducing agent for reducing NOx to exhaust gas flowing into the selective catalytic reduction NOx catalyst. A controller may comprise at least one processor configured to control addition of the reducing agent by the supply valve such that the reducing agent concentration in a reducing agent atmosphere formed in the exhaust gas flowing into the selective catalytic reduction NOx catalyst is higher when the temperature of the selective catalytic reduction NOx catalyst is in a specific low temperature range.

Abstract: An integrated reductant supply system includes a reductant tank, a reductant dosing module selectively couplable to the reductant tank, an aftertreatment control module coupled to the reductant tank and in electrical communication with the reductant dosing module and a connector, and an integrated reductant supply system component. The aftertreatment control module is configured to control dosing of reductant from the reductant dosing module, and the connector configured to electrically couple to an equipment manufacturer component. The integrated reductant supply system component is coupled to the reductant tank and includes one or more of an ambient temperature sensor, a solenoid valve, a reductant level sensor, a reductant delivery line, a reductant return line, a coolant inlet line, a coolant return line, a filter, a mounting bracket, an AOS, or a wiring harness.

Abstract: A tractor according to an embodiment of the present invention includes a first exhaust gas treatment unit, a second exhaust gas treatment unit, a urea water tank, and a urea water pump. The first exhaust gas treatment unit is provided above an engine inside a hood. The second exhaust gas treatment unit is provided laterally outside one of right and left sides of the hood, and uses urea water to further treat exhaust gas purified by the first exhaust gas treatment unit. The urea water tank is provided laterally outside another of right and left sides of the hood, and stores therein the urea water. The urea water pump is provided behind the second exhaust gas treatment unit, and supplies the urea water stored in the urea water tank to the second exhaust gas treatment unit.

Abstract: An object is to provide technology that enables an NOx catalyst to exercise its NOx reduction capability satisfactorily at any flow speed of the exhaust gas flowing into the NOx catalyst. An exhaust gas purification apparatus for an internal combustion engine includes a selective catalytic reduction NOx catalyst including at least a first catalyst layer having capability of reducing NOx and a second catalyst layer having oxidation capability and arranged closer to a catalyst substrate than the first catalyst layer. The apparatus has a supply valve for adding a specific addition quantity of reducing agent for reducing NOx to inflowing exhaust gas flowing into the selective catalytic reduction NOx catalyst.

Abstract: A process is disclosed for reversibly absorbing carbon dioxide to an alkali metal or earth alkaline absorbent. For absorption the absorbent is contacted with a first gas composition. For desorption the absorbent is contacted with a second gas composition. The moisture contents of the first and second gas compositions are controlled so that during the absorption step the absorbent is converted to a bicarbonate, and during the desorption step the absorbent is converted to a carbonate hydrate. Compared to prior art processes the process of the invention requires less energy input. The process of the invention is particularly suitable for producing a carbon dioxide enriched gas for accelerating plant growth in a greenhouse.

Abstract: A separation membrane element of the present invention includes: a water collection tube; and a plurality of separation membrane leaves stacked on each other and wound around the water collection tube, each of the separation membrane leaves includes one or more separation membranes each having a feed-side face and a permeate-side face and is configured so that the feed-side faces face each other, and a sheet having a plurality of projections fixed thereto is provided between the permeate-side faces of the separation membrane leaves stacked on each other. Regarding a height of the projections, a ratio of the maximum height to the minimum height is from 1.10 to 1.50, and a variation coefficient of the height is from 0.02 to 0.15, and an impregnation ratio of the projections into the sheet is from 10% to 100%.

Abstract: A vessel includes an internal space for harbouring plural arrangements for filtering water; a port at a bottom side for allowing entry of air into the internal space partially filled with water during a procedure for cleaning the plural arrangements for filtering water; an air distribution structure enclosing the port and adapted to distribute air introduced via the port for reaching the plural arrangements for filtering water across a larger area than, in particular five times, a cross sectional area of the port.

Abstract: A method for treating a NaCl containing aqueous mixture comprising at least 2 ppm of anionic nano particles comprising the step of passing the mixture through a spiral wound element to produce a permeate stream and concentrate stream wherein the concentrate stream has a relatively higher concentration of nano particles than the permeate stream, wherein the spiral wound element includes a composite polyamide membrane comprising a porous support and a thin film polyamide layer, and wherein the membrane is characterized by having: i) a NaCl rejection and a nano particle rejection of at least 99% when tested with an aqueous solution containing 2000 ppm NaCl and 2 ppm anionic nano particles at 25 C, pH 8 and 1 mPa (150 psi); and ii) a dissociated carboxylate content of at least 0.3 moles/kg of polyamide at pH 9.5 as measured by Rutherford Backscattering (RBS).

Abstract: Described herein are mixed matrix filtration membranes and related, dendrimers, dendrimer particles, compositions, methods and systems and in particular mixed matrix filtration membranes with an embedded dendrimer particles and related compositions, methods, and systems wherein each dendrimer particle comprises at least two dendrimers each having at least two core chemical moieties having a core multiplicity Nc; branch cell units attached to the core chemical moiety or one to another, with the branch cell units attached one to another having a branch cells multiplicity Nb; and a number of surface functional groups Z presented on terminal branch cell units, wherein Z=NcNbG with G?3.

Abstract: Provided is a nanocomposite ultrafiltration membrane including a hydrophobic polymer matrix impregnated with graphene oxide or reduced graphene oxide. The PAN/GO nanocomposite ultrafiltration membrane has improved mechanical properties, high permeability and a high salt rejection ratio, and excellent anti-fouling property and durability. Thus, the nanocomposite ultrafiltration membrane may be manufactured in the form of a membrane module applied to a water treatment system so that it may be utilized in an actual ultrafiltration separation process.

Abstract: A method for treating an aqueous mixture containing an anionic surfactant including the step of passing the mixture through a spiral wound element to produce a permeate stream and concentrate stream wherein the concentrate stream has a relatively higher concentration of the anionic surfactant than the permeate stream, wherein the spiral wound element includes a composite polyamide membrane comprising a porous support and a thin film polyamide layer, and wherein the membrane is characterized by having: i) a NaCl rejection and an anionic rejection of at least 99% when tested with an aqueous solution containing 2000 ppm NaCl and 2 ppm an anionic surfactant at 25° C., pH 8 and ImPa (150 psi); and ii) a dissociated carboxylate content of at least 0.3 moles/kg of polyamide at pH 9.5 as measured by Rutherford Backscattering (RBS).

Abstract: A thin film composite polyamide membrane comprising a porous support and a thin film polyamide layer characterized by possessing an azo (—N?N—) content of from 0.75% to 0.95%, as measured by pyrolysis gas chromatography.

Abstract: The present invention provides high permeance copolyimide membranes and methods for making and using these membranes for gas separations such as for hydrogen purification and for acid gas removal from natural gas. The random copolyimide polymers used to make the copolyimide membrane may be UV crosslinked to improve selectivity in separating mixtures of gases or in purifying liquids. The membranes may be fabricated into any known membrane configuration such as a flat sheet or a hollow fiber.

Abstract: A nanofiltration membrane comprising a selective layer comprising or consisting of poly(amide-imide) cross-linked with polyallyamine is provided. A method of manufacturing the nanofiltration membrane and use of the nanofiltration membrane in a water softening process that is carried out at a low pressure of less than about 2 bar is also provided.

Abstract: Disclosed is a statistical copolymer that includes both zwitterionic repeat units and hydrophobic repeat units and a filtration membrane that contains a selective layer formed of the statistical copolymer. Also disclosed are methods of preparing the above-described filtration membrane.

Abstract: Provided is a polyacrylonitrile/chitosan composite nanofiltration membrane, including: a polyacrylonitrile support; and a chitosan coating layer modified with graphene oxide, or a polyacrylonitrile/chitosan composite nanofiltration membrane, including: a polyacrylonitrile support modified with graphene oxide; and a chitosan coating layer or chitosan coating layer modified with graphene oxide. The polyacrylonitrile/chitosan composite nanofiltration membrane containing graphene oxide shows high permeability and a high salt rejection ratio, has excellent anti-fouling property and chlorine resistance, and thus may be manufactured in the form of a spirally wound type membrane module applied to a water treatment system so that it may be utilized for an actual nanofiltration separation process.

Abstract: An apparatus, method and system configured to produce and provide on-demand, immediate sequential dispensing of varying levels of carbonated water, such as carbonated water having a level of carbonation selected by an end-user, is disclosed. In one aspect, immediate sequential dispensing of varying levels of carbonated water is provided by varying the rate of agitation during a fixed agitation interval. The carbonating unit has a volume with an inlet in communication with a source of carbonating gas and noncarbonated water. An agitator is housed within the volume of the carbonating unit and is operated by a variable speed actuator.

Abstract: A process for preparing engineered tailings that are essentially immediately trafficable is provided comprising providing a source of high density sand; mixing a source of tailings with the high density sand to give a tailings product having at least about 80 wt % solids and a solids to fines ratio of greater than 2.0; and optionally adding at least one additive to the tailings product if additional strength is required.

Abstract: A fluid mixing device includes a mixing element and a pathway for collecting a sample of fluid with an inlet end at a point where the fluid is well mixed. In an example embodiment, the pathway is provided through a body of the mixing element.

Abstract: A shaking device for a fully-automatic instant check meter, which is used for shaking blood in a test tube uniformly. The shaking device comprises a frame body, a barcode printer, a first bracket, a second bracket, a rotating mechanism, a vacuum blood vessel shaking mechanism and a peripheral blood vessel shaking mechanism, wherein a first sliding rail, a first motor and a second motor are provided on the frame body; the rotating mechanism is connected to the first sliding rail in a sliding manner via a first sliding block and is connected to the first motor via a first synchronous belt; the vacuum blood vessel shaking mechanism is connected to the first sliding rail in a sliding manner via a second sliding rail and is connected to a second motor via a second synchronous belt; the peripheral vessel shaking mechanism is arranged below the vacuum blood vessel shaking mechanism; and the barcode printer is arranged at one side of the frame body.

Abstract: The invention relates to a device (1) for intermixing a compound such as a dispersion, comprising a container (2), particularly a large-volume container (2), and a mixing unit (3) arranged on said container (2). According to the invention, the mixing unit (3) comprises at least one piston (4) that is mounted in said container (2), can be linearly displaced, and comprises at least one mixing element (5) which extends two-dimensionally around said piston (4) for the purpose of intermixing the compound. The invention also relates to a use for a claimed device (1). The invention also relates to a method for intermixing a compound such as a dispersion in a container (2), particularly a large-volume container (2), with a mixing unit (3) arranged on said container (2), by means of the movement of said unit.

Abstract: An improved process for converting an oil suspension of nanoparticles (NPs) into a water suspension of NPs, wherein water, surfactant and a non-surfactant salt is used instead of merely water and surfactant, leading to greatly improved NP aqueous suspensions.

Abstract: The present invention provides a process for producing microcapsules capable of retaining an organic compound as an active ingredient such as fragrance materials therein over a long period of time.

Abstract: The present disclosure relates to a single shell open interstage reactor (“SSOI”). The SSOI comprises a first reaction stage, an interstage heat exchanger, an open interstage region, and a second reaction stage. The SSOI may be configured for upflow or downflow operation. Further, the open interstage region of the SSOI may comprise a supplemental oxidant feed. When the open interstage region comprises a supplemental oxidant feed, the SSOI may further comprise a supplemental oxidant mixing assembly. Processes for producing acrylic acid through the oxidation of propylene are also disclosed.

Abstract: Heat exchanger comprising a tube bundle (1) and a shell (2) which surrounds said tube bundle, said tube bundle comprising tubes (3) arranged with a square or triangular pitch, wherein said shell (2) has a cross-section, in a plane perpendicular to said tubes, having the form of an irregular polygon; said irregular cross-sectional polygon has a number of sides which is a multiple of three or multiple of four for tube bundles with a triangular or square pitch, respectively; the sides of said cross-sectional polygon are parallel to the directional lines of the tubes.

Abstract: Provided herein are methods and compositions for the fabrication of patterned arrays, such as nucleotide arrays. The methods and compositions are suited for the transfer and reorientation of array components.

Abstract: De novo synthesized large libraries of nucleic acids are provided herein with low error rates. Further, devices for the manufacturing of high-quality building blocks, such as oligonucleotides, are described herein. Longer nucleic acids can be synthesized in parallel using microfluidic assemblies. Further, methods herein allow for the fast construction of large libraries of long, high-quality genes. Devices for the manufacturing of large libraries of long and high-quality nucleic acids are further described herein.

Abstract: The invention relates to a device for producing polymers, preferably for processing and polycondensation of polyester, having a substantially cylindrical reactor (1), which has an inlet opening (2) on one side and an exit opening (4) on the other side and an outlet (20) for discharging gases. According to the invention, said device is developed such that the device has a compact design, and such that the device allows the use of higher-viscosity initial substances, even when generating smaller volumes, which is optimally adjustable in respect of the process conditions thereof and which represents a variable, cost-effective solution.

Abstract: A micro-reactor system assembly comprises a stack of at least n process modules (1-6), wherein n is an integer equal to or greater than 1, made from a rigid first material and comprising at least one reactive fluid passage (1A, 1B, 2A, 3A, 6A) for accommodating and guiding a reactive fluid, and at least n+1 heat exchange modules (7, 8) made from a ductile second material other than said first material and comprising at least one heat exchange fluid passage (7A, 8A) for accommodating and guiding a heat exchange fluid, wherein each process module (1-6) is sandwiched between two adjacent heat exchange modules (7, 8).

Abstract: The invention disclosed herein relates to tube in tube in tube continuous glass lined metal reactor with enhanced heat transfer efficiency. Particularly, the reactor comprising three concentric tubular segments; (a) inner glass lined tube [105]; (b) intermediate glass lined tube and (c) outer glass lined tube [104]; wherein the heat transfer fluid flows in the areas of segment [104] and [105] and reactant flow between the inner and outer glass lined tubes or their annulus.

Abstract: A gas reactor system may be configured for facilitating chemical reactions of gases using shockwaves produced in a supersonic gaseous vortex. The system may include a gas source to provide a gas to a heater and/or a reactor. The reactor may be configured to facilitate chemical reactions of gases using shockwaves created in a supersonic gaseous vortex. The reactor may be arranged with a gas inlet to introduce a high-velocity steam of gas into a chamber of the reactor. The gas inlet may effectuate a vortex of supersonic circulating gas within the chamber. The vortex may rotate at supersonic speed about the longitudinal axis of the chamber. The system may be configured to store an output product of the reactor in a storage tank in fluid communication with the reactor.

Abstract: A system for the generation of hydrogen at a remote location using energy input to the system at a different, central location, comprises a source of high intensity electromagnetic radiation at the central location, a network of optical cables having a least an input end and an output end, the input end being connected to the electromagnetic radiation from the source, a hydrogen generation apparatus located at the remote location and having an input terminal for receiving light emitted from the other end of the network, the apparatus being adapted in use to split water into hydrogen and oxygen when a catalyst within the apparatus is exposed to radiation from the source supplied by the optical cable network, and a storage chamber for storing the hydrogen produced by the hydrogen generation apparatus.

Abstract: A sorbent material comprises a plurality of cross linked monovinyl monomers defining a matrix, in a ratio of the volume of hydrophobic monovinyl monomers to hydrophilic monovinyl monomers of approximately 5:95 to approximately 40:60, the matrix being bufferable to pH ranges from approximately 5 to approximately 9, and, of particle sizes between approximately 10 micrometers to approximately 300 micrometers. The sorbent is used in chromatographic columns to promote binding of Immunoglobulin G (IgG) from blood plasma, for its isolation, such that the isolated IgG is then extracted from the sorbent. The sorbent is also used in chromatographic columns to promote binding of Immunoglobulin G (IgG) monoclonal antibodies from transgenic milk, for their isolation, such that the isolated IgG monoclonal antibodies are then extracted from the sorbent.

Abstract: An adsorption vessel comprising a packed bed region of adsorbent particles contiguously arranged, comprising a perforated adsorbent particles, a gas separation process using the perforated adsorbent particles, and methods for making the perforated adsorbent particles. The perforated adsorbent particles each comprise an adsorbent material where the perforated adsorbent particles each have at least 10 channels extending through the particle. The equivalent diameter of the channels may range from 0.05 mm to 1.5 mm, and the void fraction of the channels may range from 0.05 to 0.5.

Abstract: A catalytic process for the synthesis of trifluoroethylene from chlorotrifluoroethylene which comprises contacting chlorotrifluoroethylene with hydrogen in the presence of a catalyst consisting of palladium or platinum supported on extruded activated carbon.

Abstract: Disclosed herein are embodiments of a metallic composite that is made using embodiments of a facile, efficient method. Certain embodiments of the disclosed method of making the composite can comprise a one-step, room temperature synthetic procedure, and other embodiments can comprise a two-step synthetic procedure. Also disclosed herein are embodiments of a method of using the disclosed composite, such as for fluid purification via contaminant degradation, or in biological sensor applications.

Abstract: A transesterification catalyst that is heterogeneous and a method for preparing said transesterification catalyst are provided. The catalyst can be used in a variety of transesterification reactor configurations including CSTR (continuous stirred tank reactors), ebullated (or ebullating) beds or any other fluidized bed reactors, and PFR (plug flow, fixed bed reactors). The catalyst can be used for manufacturing commercial grade biodiesel, biolubricants and glycerin.

Abstract: The invention concerns a process for the preparation of a catalyst starting from a pre-catalyst comprising at least one catalytic metal and a support, said pre-catalyst having undergone a heat treatment at at least 60° C. without calcining, in which process said pre-catalyst is impregnated with a basic solution having a pH of more than 7.5 and containing at least one molecule in the zwitterionic form, and the impregnated pre-catalyst is dried at a temperature of at most 240° C. without subsequent calcining. The molecule in the zeolite form is selected from the group formed by amino-alcohol acids containing secondary or tertiary amine groups and containing at least one carboxylic acid function (and preferably only one) and at least one alcohol function. It is bicine or tricine, for example. The invention also concerns the catalyst prepared using this process, and its use in hydrotreatment and/or hydroconversion.

Abstract: FCC catalysts having improved attrition resistance are provided by mixing a cationic polyelectrolyte with either zeolite crystals or a zeolite-forming nutrient and/or a matrix material, prior to or during formation of a catalyst microsphere.

Abstract: The presently disclosed and claimed inventive concept(s) generally relates to a solid catalyst component comprising a zeolite with a modifier and at least one Group VIII meal alloyed with at least one transition metal. The presently disclosed and claimed inventive concept(s) further relates to a method of making the solid catalyst component and a process of converting mixed waste plastics into low molecular weight organic compounds using the solid catalyst component.