Abstract: An exhaust gas purification catalyst, characterized by having a catalyst layer containing palladium, rhodium, and alumina, which supports a sulfate of an alkaline-earth metal selected from barium sulfate and strontium sulfate, and the correlation coefficients ?Pd,AE and ?Rh,AE calculated from the characteristic X-ray intensity measured using an electron beam micro-analyzer for the palladium, rhodium, and alkaline-earth metal being +0.75 to +1.00 and 0.00 to +0.25, respectively, using 350 points as measurement points obtained by equally dividing the catalyst layer into 351 parts in the thickness direction on a virtual straight line that runs through the catalyst layer in the thickness direction.

Abstract: An exhaust gas purifying catalyst according to the present invention is provided with a base material 10 and a catalyst-coated layer 30. The catalyst-coated layer 30 is provided with a lower layer 34 and an upper layer 32. The upper layer 32 contains Rh and/or Pt as a noble metal catalyst. The lower layer 34 contains Pd as a noble metal catalyst. The lower layer 34 is provided with a front-stage lower layer 34a positioned on an upstream side and a rear-stage lower layer 34b positioned on a downstream side. The front-stage lower layer 34a is a Ce-free layer that does not contain a Ce-containing oxide. The rear-stage lower layer 34b is a Ce-containing layer that contains a Ce-containing oxide with a pyrochlore structure.

Abstract: The present disclosure relates to biocide compositions, formulations and methods for using formulations. In particular the present disclosure relates to biocide compositions and their use in treating reverse osmosis membranes.

Abstract: According to one embodiment of the present invention, a control method for a water purifier comprises the steps of: filtering inflowing water so as to generate purified water; extracting the generated purified water; measuring the flow rate of the purified water extracted per unit time; flushing a filter part by using purified water generated in the filter part, when the extraction of the purified water is complete; and draining the flushed water to the outside through a residential water outlet of the filter part, wherein, in the purified water generation step, discharging of residential water generated in the purified water generation step is blocked according to the accumulated flow rate during a one-time extraction of the purified water, calculated on the basis of the flow rate of the purified water.

Abstract: The present invention relates to a thermal water purification system for producing a distillate liquid from a raw liquid, including: a plurality of distilling units which are consecutively flowed through by the raw feed liquid, wherein each distilling unit includes one boiling liquid section and one vapor section adjacent thereto, and wherein any two consecutive distilling units, respectively an upstream distilling unit and a downstream distilling unit, are implemented such that the boiling liquid section of the downstream distilling unit is separated from the vapor section of the upstream distilling unit by a liquid-tight and vapor-tight separation plate, and separated from the vapor section of the downstream distilling unit by a liquid-tight and vapor-permeable membrane; a plurality of heat exchanger tubes adapted to boil the raw feed liquid inside the boiling liquid sections; and a plurality of preheating tubes adapted to preheat the raw feed liquid before it flows inside the boiling liquid sections.

Abstract: A disposable filtration device includes a plurality of disposable filter capsules connected with each other by lines, which are carried by a rigid holder. At least the holder and the lines between the filter capsules preferably are formed of a sterilizable material, so that the filtration device can be sterilized in the pre-mounted, i.e. ready-to-connect condition, and can be packed and transported without a risk of damage.

Abstract: The present invention relates to a filter element and a method for manufacturing thereof. The method comprises: Providing the core tube; and rolling a membrane around the core tube. The membrane comprises a porous substrate and a filter layer on top of the porous substrate. The present invention also relates to the corresponding filter element. The filter element relating to the present invention is able to accommodate more membranes inside the same volume, resulting in high throughput and high salt rejection.

Abstract: A method for manufacturing a self-healing hydrogel-filled separation membrane for water treatment includes soaking a porous support comprising pores in a monomer solution to fill the pores with the solution, removing the excessively filled monomer solution from the porous support, and forming a hydrogel in the pores by crosslinking the monomer. The separation membrane does not require an additional repair process when damage occurs to the separation membrane and can exhibit superior self-healing effect and physical stability.

Abstract: A carbonized PVDC copolymer useful for the separation of an olefin from its corresponding paraffin may be made by heating a polyvinylidene chloride copolymer film or hollow fiber having a thickness of 1 micrometer to 20 micrometers to a pretreatment temperature of 100° C. to 180° C. to form a pretreated polyvinylidene chloride copolymer film and then heating the pretreated polyvinylidene chloride copolymer film to a maximum pyrolysis temperature from 350° C. to 750° C. A process for separating an olefin from its corresponding paraffin in a gas mixture is comprised of flowing the gas mixture through the aforementioned carbonized polyvinylidene chloride (PVDC) copolymer to produce a permeate first stream having an increased concentration of the olefin and a second retentate stream having an increased concentration of its corresponding paraffin.

Abstract: The disclosure of the present invention relates to a method for preparing membrane and associated membrane and filter element. The method comprises providing a porous substrate having a plurality of pores; and applying a pre-filler solution to at least partially occupy the pores in the porous substrate. The membrane comprises a porous substrate and a filter layer formed on the porous substrate. The filter element comprises a core tube; and a membrane as prepared and rolled around the core tube.

Abstract: A method for producing a laminated complex according to one embodiment of the present invention is a method for producing a laminated complex that includes a sheet-shaped or tube-shaped porous support and a semipermeable membrane layer stacked on an outer surface of the support, the method including a coating step of coating an outer surface of the support with a semipermeable membrane layer-forming composition in which a fluororesin is dispersed in a solvent; an immersing step of immersing the coated surface of the support in water after the coating step; and a heating step of heating water in which the support is immersed.

Abstract: A method for producing a gas separation membrane, including the following steps: step(a): treating the surfaces of silica nanoparticles dispersed in a first solvent with a reactive functional group-containing compound, while nanoparticles are being dispersed in the solvent, to thereby prepare a first solvent dispersion of reactive functional group-modified silica nanoparticles; step(b): replacing the first solvent dispersion's dispersion medium of reactive functional group-modified silica nanoparticles prepared in step(a) with a second solvent without drying of dispersion medium, and then reacting functional group-modified silica nanoparticles with dendrimer-forming monomer or hyperbranched polymer-forming monomer in the second solvent's presence so that dendrimer or hyperbranched polymer is added to reactive functional group, to thereby prepare dendrimer- or hyperbranched polymer-bound silica nanoparticles; step(c): mixing dendrimer- or hyperbranched polymer-bound silica nanoparticles prepared in step(b) wit

Abstract: A monolayer membrane containing gelling polymer particles having at least one of a basic functional group and an acidic functional group, and having a thickness of less than 5 ?m. A composite having a porous carrier and gelling polymer particles having at least any one of a basic functional group and an acidic functional group and filling up the surface pores of the porous carrier. The invention can provide a novel material capable of efficiently separating an acid gas from a mixed gas.

Abstract: A steam dispersion system including insulation is disclosed. The steam dispersion system may include a steam dispersion tube with at least one opening defined on an outer surface of the steam dispersion tube and a hollow interior. The insulation covers at least a portion of the steam dispersion tube, the insulation defining an opening aligned with the opening of the steam dispersion tube, wherein the insulation meets 25/50 flame/smoke indexes for UL723/ASTM E-84 and has a thermal conductivity less than about 0.35 Watts/m?K (2.4 in?hr/ft?2 deg F.). A nozzle defining a throughhole may be placed within the opening of the steam dispersion tube, the throughhole being in fluid communication with the hollow interior of the steam dispersion tube to provide a steam exit.

Abstract: Systems, devices, and methods for manufacturing nanobubbles are disclosed herein. In an embodiment, a nanobubble generator system includes a medium, wherein in the medium is a liquid medium or a semi-liquid medium. A device is immersed in the medium. The device includes a ceramic membrane having a first surface and an opposing second surface, and pores extending through the membrane from the first surface to the second surface, and a hydrophobic porous coating layer disposed on the first surface of the membrane. The system includes a gas source for providing a gas to the medium. In operation, the gas enters pores on the second surface of the membrane and exits the coating layer in the form of nanobubbles.

Abstract: Carbonation duct (1) for blending a gas and a beverage. The carbonation duct (1) includes a tubular structure (12) surrounding a compression structure (13), the compression structure (13) longitudinally positioned inside the tubular structure (12) and setting a pathway (14) for the flowing of the beverage along the carbonation duct (1). The compression structure (13) includes external diameters (P,C,G) sequentially defining a convergence path (8), a mixture path (19) and a slowdown path (20) along the carbonation duct (1), wherein, in the convergence path (8), the carbonation duct (1) includes a gas entry portion (9) for gas injection in the pathway (14), and the tubular structure (12) defines a turbilionating projection (10) establishing a carbonation duct (1) mixture diameter (F).

Abstract: A bioreactor system includes a support housing having an interior surface bounding a compartment. A rack is secured to the support housing in alignment with the opening. An elongated first shaft has a first end and an opposing second end, the first end of the first shaft being secured to the rack. A structure is secured to the first shaft at or towards the second end of the first shaft, the structure outwardly projecting away from the first shaft. A collapsible bag bounds a chamber and is at least partially disposed within the compartment of the support housing. A member projects from the collapsible bag and passes through the opening on the support housing, the structure supporting or restraining movement of the member.

Abstract: A stirrer head having a bearing boss, a bearing bushing, at least one stirrer vane and a coupling section, wherein the bearing boss has an external surface and an internal surface and the bearing bushing is form-fit into the bearing boss, resting on the internal surface, wherein the stirrer vane is connected to the coupling section and the external surface of the bearing boss, wherein the stirrer head has an identification device and the bearing boss has a through-opening between the external surface and the internal surface, the identification device is positioned in the through-opening and the stirrer vane closes the through-opening at the external surface.

Abstract: The present invention relates to a method for producing a modified polymerization initiator, and more particularly, to a method for preparing a modified polymerization initiator, wherein the method includes the steps of: (S1) introducing a first fluid and a second fluid into a reactor, and reacting the compounds included in the fluids, and (S2) obtaining the modified polymerization initiator prepared by the reaction of the step (S1) through an outlet of the reactor, wherein the step (S1) and step (S2) are continuously performed, wherein in the step (S1), the flow amount of the first fluid and the second fluid is maintained constant at the time when the first fluid and the second fluid are mixed, and the flow rate of the first fluid is increased. Also, the present invention provides an apparatus for producing a modified polymerization initiator for performing the same.

Abstract: The present disclosure relates generally to a system having a reactor system with a polymerization reactor and a feed system fluidly coupled to a feed inlet of the reactor. The feed system supplies components to the reactor via the feed inlet, and the reactor has a flow path that continuously conveys the components through the reactor and subjects the components to polymerization conditions to produce a polymer. The system also has an analysis system coupled to the reactor for online monitoring of a particle size of the polymer. Further, the system includes a control system, coupled to the analysis and feed systems, that receives a signal from the analysis system indicative of the monitored particle size of the polymer and adjusts an operating parameter of the feed system to control a flow rate of at least one of the components to the reactor based at least on the signal.

Abstract: A method for process monitoring and control of a chemical reactor in which a chemical reaction utilizing a halogenated selectivity modifier is performed includes: measuring a level of halogenated components in an inlet stream of a reactor inlet; measuring a level of halogenated components in an outlet stream of a reactor outlet; based on the level of halogenated components at the inlet stream and the outlet stream, determining a process performance indicator associated with a halogenated component; and adjusting an amount of halogenated selectivity modifier added to the reactor based on the process performance indicator.

Abstract: A urea preparation machine includes a cabinet, a stirring tank, a filtering portion, a water tank portion and a heating portion. The stirring tank is provided in the cabinet. The filtering portion is provided in the cabinet. An inlet of the water tank portion s communicated with an outlet of the filtering portion. The heating portion is provided in the cabinet, the heating portion is communicated with the outlet of the water tank portion, and an outlet of the heating portion is communicated with the stirring tank. The independent heating portion is used for heating water in the water tank portion, then the water heated by the heating portion is conveyed to the stirring tank for preparing urea, through such installation, the heating portion is capable of heating the water in the water tank portion in time.

Abstract: A high-surface-area, highly porous manganese oxide (MnOx) in the form of xerogel or aerogel monoliths or powders comprising a manganese oxide nanoarchitecture comprising an interior surface area >200 m2 g?1, wherein the MnOx gel has a void structure comprising pores that are sized from 2-150 nm, and wherein the manganese oxide nanoarchitecture removes toxic gas from a toxic gas and air mixture at room temperature via an oxidative mechanism that converts the toxic gas to an innocuous adsorbed substance. These high-surface-area, ultraporous manganese oxide (MnOx) xerogels and aerogels exhibit outstanding filtration performance for multiple, chemically distinct toxic gases, including ammonia, sulfur dioxide and hydrogen sulfide. These MnOx materials use multiple mechanisms for small molecule capture/catalysis including molecular sieving and oxidative decomposition, and function in a wide range of humidity conditions.

Abstract: Carbon dioxide (CO2) capture materials comprising one or more 3D-printed zeolite monoliths for the capture and or removal of CO2 from air or gases in enclosed compartments, including gases or mixtures of gases having less than about 5% CO2. Methods for preparing 3D-printed zeolite monoliths useful as CO2 capture materials and filters, as well as methods of removing CO2 from a gas or mixture of gases in an enclosed compartment using 3D-printed zeolite monoliths are provided.

Abstract: The present invention provides an oxygen scavenger composition comprising a granule having: an ? layer containing a water retention agent, a swelling agent, a metal salt and water; a ? layer containing iron; and a ? layer containing a porous support, wherein the granule forms a layer structure in order of the ? layer, the ? layer and the ? layer from an inside to an outside of the granule.

Abstract: A photocatalytic assembly (100) includes a substrate (110) and a photocatalytic unit (120) laminated on the substrate (110). The photocatalytic unit (120) includes a laminated titanium dioxide layer (122) and a metal layer (124). The titanium dioxide layer (122) has a thickness of 10 nm to 100 nm. The metal layer (124) is formed by stacking metal nanoparticles. The metal nanoparticle is made of at least one selected from the group consisting of rhodium, palladium, platinum, gold, silver, and aluminum.

Abstract: Provided are a carbon powder which can provide a catalyst exhibiting high performance and a catalyst. A carbon powder for fuel cell comprising carbon as a main component, which has a ratio (B/A) of an area B of peak 1 to an area A of peak 0 of more than 0 and 0.15 or less, wherein the area A represents an area of peak 0 at a position of 2?=22.5° to 25° as observed by XRD analysis when the carbon powder for fuel cell is subjected to heat treatment at 1800° C. for 1 hour in an inert atmosphere, and the area B represents an area of peak 1 at a position of 2?=26° as observed by XRD analysis when the carbon powder for fuel cell is subjected to heat treatment at 1800° C. for 1 hour in an inert atmosphere.

Abstract: The invention belongs to the field of novel photocatalytic materials, and particularly relates to a ZnWO4 photocatalytic material containing oxygen vacancy. According to the material, absorption exists in a near infrared region of an ultraviolet-visible light diffuse reflection spectrum, wherein the wavelength range of the near infrared region is 780-2500 nm. The invention further relates to a preparation method of the ZnWO4 photocatalytic material containing oxygen vacancy. Na2WO4 and soluble zinc salt are used as raw materials, ZnWO4 crystals are formed through a hydrothermal crystallization reaction and then roasted in the presence of hydrogen so as to achieve partial reduction of ZnWO4, and then the ZnWO4 photocatalytic material containing oxygen vacancy is obtained.

Abstract: A metal-supported catalyst is obtained by supporting a metal and/or a metal compound on a carrier, wherein a rate of decrease in the metal and/or the metal compound contained in the metal-supported catalyst is 20 wt % or more when the metal-supported catalyst is shaken in an aqueous solution of 2.3 wt % of polyvinylpyrrolidone in a hydrogen atmosphere at a temperature of 50° C. at 36 rpm for 1 hour.

Abstract: The present invention relates to a catalyst for preparing 2,5-furandicarboxylic acid (FDCA), which is a catalyst for carboxylation of a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof and is configured such that noble metal nanoparticles are incorporated into a spinel-type support, and to a method of preparing 2,5-furandicarboxylic acid (FDCA), including carboxylating a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof in the presence of a catalyst configured such that noble metal nanoparticles are incorporated into a spinel-type support.

Abstract: The present disclosure provides a multi-metallic catalyst system comprising at least one support, and at least one promoter component and an active component comprising at least two metals uniformly dispersed on the support. The present disclosure also provides a process for preparing the multi-metallic catalyst system. Further, the present disclosure provides a process for preparing upgraded fuel from biomass. The process is carried out in two steps. In the first step, a biomass slurry is prepared and is heated in the presence of hydrogen and a multi-metallic catalyst that comprises at least one support, at least one promoter component, and an active component comprising at least two metals to obtain crude biofuel as an intermediate product. The intermediate product obtained in the first step is then cooled and filtered to obtain a filtered intermediate product. In the second step, the filtered intermediate product is hydrogenated in the presence of the multi-metallic catalyst to obtain the upgraded fuel.

Abstract: The present disclosure is directed to the use of novel crystalline germanosilicate compositions in affecting a range of organic transformations. In particular, the crystalline germanosilicate compositions are extra-large-pore compositions, designated CIT-13 possessing 10- and 14-membered rings.

Abstract: This invention relates to a hydrogen spillover-based catalyst and use thereof, wherein a hydrogen activation metal cluster is dispersed in the form of being encapsulated in a crystalline or amorphous aluminosilicate matrix which is partially or fully structurally collapsed zeolite, thereby exhibiting high hydroprocessing or dehydrogenation activity and suppressed C-C hydrogenolysis activity.

Abstract: Object and purpose are to provide an exhaust gas purification catalyst capable of efficiently removing a nitrogen oxide in a relatively low-temperature exhaust gas discharged from a marine diesel engine or the like using a reducing agent in a smaller amount than in the past. An exhaust gas purification catalyst is used in a combustion exhaust gas purification method for removing a nitrogen oxide in a combustion exhaust gas by reducing the nitrogen oxide to nitrogen, wherein an alcohol is added to the combustion exhaust gas as a reducing agent for reducing the nitrogen oxide, and is characterized in that the catalyst is composed of a support and a denitration catalytic metal supported on the support, and the support is a zeolite having a value (S) obtained by dividing a peak area (A) in an Al—OH spectrum measured with a Fourier transform infrared spectrometer (FT-IR) by a measurement support weight (W) of 1500 to 3500.

Abstract: An exhaust gas purifying composition of the present invention contains zeolite that is BEA zeolite having an SiO2/Al2O3 molar ratio of greater than 25 and 600 or less and containing phosphorus. Furthermore, the exhaust gas purifying composition preferably contains zirconium in addition to phosphorus. Furthermore, the zeolite has an SiO2/Al2O3 molar ratio of from 30 to 150. The present invention provides an exhaust gas purifying composition having excellent HC adsorbability for exhaust gas purification in internal combustion engines such as gasoline engines.

Abstract: Disclosed are N-heterocyclic carbene (NHC) and 4-pyridinol-derived pincer ligands and metal complexes containing these ligands. These compounds can be used to photocatalyticaly reduce CO2 to CO.

Abstract: The present invention provides methods for low temperature desulfating sulfur-poisoned SCR catalysts, and emission control systems adapted to apply such desulfating methods, in order to regenerate catalytic NOx conversion activity. The methods are adapted for treating an SCR catalyst to desorb sulfur from the surface of the SCR catalyst and increase NOx conversion activity of the SCR catalyst, the treating step including treating the SCR catalyst with a gaseous stream comprising a reductant for a first treatment time period and at a first treatment temperature, wherein the first treatment temperature is about 350° C. or less, followed by a second treatment time period and a second treatment temperature higher than the first treatment temperature, wherein the molar ratio of reductant to NOx during the treating step is about 1.05:1 or higher.

Abstract: A pipetting module includes a pipette head and a pipette tip. The pipette head has a first coefficient of thermal expansion. The pipette tip includes a connecting portion. The connecting portion is adapted to be sleeved on the pipette head, and the connecting portion has a second coefficient of thermal expansion. The second coefficient of thermal expansion of the connecting portion is greater than the first coefficient of thermal expansion of the pipette head. In addition, an automatic pipetting apparatus is also provided.

Abstract: A pipette quickset volume adjustment mechanism having various modes of operation. The quickset volume adjustment mechanism provides for easy selection between at least a direct drive mode, and a speed multiplying mode that hastens pipette volume changes. The quickset volume adjustment mechanism incorporates a planetary gearbox that is appropriately and selectively settable to produce the various modes of operation.

Abstract: A pipette quickset volume adjustment mechanism having various modes of operation. The quickset volume adjustment mechanism provides for easy selection between at least a direct drive mode, and a speed multiplying mode that hastens pipette volume changes. The quickset volume adjustment mechanism incorporates a gear train, the individual gears of which are appropriately and selectively engageable or disengageable to produce the various modes of operation.

Abstract: A pipette calibration and volume offset mechanism. The calibration and volume offset mechanism is provided to facilitate user selectable calibration or volume offset operations of a pipette to which the calibration and volume offset mechanism is installed, through axial displacement of a threaded element that effectively moves the home position of the pipette. An offset counter of the calibration and volume offset mechanism is rotationally coupled to the threaded element during a volume offset operation to indicate offset magnitude, but decoupled from threaded element during a calibration or recalibration operation.

Abstract: A digital dispense apparatus comprising a plurality of fluid dispense devices, at least one reservoir connected to the plurality of fluid dispense devices to deliver fluid to the plurality of fluid dispense devices, at least one contact pad array, and a single monolithic carrier structure.

Abstract: An assay device for use with samples of biological fluid, the assay device comprising: a physical detection unit for measuring a viscosity of a biological fluid sample; and a biomarker detection unit for detecting and/or measuring a biomarker in the biological fluid sample, wherein the physical detection unit and the biomarker detection unit act together as part of an assay process.

Abstract: A well-plate assembly includes a well-plate defining an array of wells and a fluidic manifold assembly fitted to the array of wells and configured to direct a fluid into each well of the well plate.

Abstract: Systems and methods for performing biological assays are provided herein. The systems and methods determine one or more characteristics of a nucleic acid amplification sample based on a modified optical property of the sample.

Abstract: The invention relates to methods for conducting solid-phase binding assays. One example is an assay method having improved analyte specificity where specificity is limited by the presence of non-specific binding interactions.

Abstract: The present invention is in the field of medical diagnostics and microfluidics and primarily relates to a microfluidic device for the analysis of biological samples. The microfluidic device of the present invention comprises at least one microchannel, the inner surface of which is at least partially coated with a hydrophilic coating. This hydrophilic coating is located on top of the intermediate layer which, in turn, is located between the material of the inner surface of the microchannel and the hydrophilic coating.

Abstract: Disclosed herein are methods for manufacture of microfluidic devices on a single injection molding machine to provide a ready-to-use microfluidic device, such as a “lab on a chip” device. In particular, it refers to a molding method comprising the step of disposing a planar barrier adjacent to a surface of the base layer and positioned to overlay at least a portion of the microchannel; and causing a material to be disposed on the base layer using hesitation injection molding to create a closing layer configured to overmold at least a portion of the planar barrier and a least a portion of the microchannel. It further refers to a method comprising the step of disposing a sensor adjacent a first surface of the base layer and molding a cover layer adjacent the first surface of the base layer to at least partially cover the sensor and to secure the sensor in position relative to the base layer.

Abstract: An embodiment is a scientific fluidic device and a method of assembly of single and multilayer fluidic devices via laser cut and assembly of double sided adhesives. The device includes a member defining a cavity and having two sides, both sides including an adhesive compound, and at least one substrate defining at least two plenums and coupling to the member, forming a flow path. The components of the fluidic device are produced via laser cut and assembly methods. The fluidic device remains intact via adhesive coupling between the substrate(s), member(s), and membrane(s). Altogether, the fluidic device requires assembly that is efficient and economical, resulting in high throughput manufacturing of the fluidic devices.

Abstract: Aspects of the embodiments are directed to a microfluidic chip and methods of making the same. The microfluidic chip can include a sensor device residing on the microfluidic chip, the sensor-side comprising a chemical sensor and the backside including a backside electrode, the chemical sensor electrically coupled to the backside electrode by a via; a microfluidics channel in the microfluidic chip, the sensor-side of the sensor device facing the microfluidics channel; and a metal contact electrically connected to the backside electrode.