Abstract: A filter media and a pleated filter with a first layer of filtration media, a layer of support material and a second layer of filtration media on the opposite side of the support material as the first layer of filter media. All three layers are laminated together and pleated. The support material provides the required stiffness and rigidity for the pleating process. The physical characteristics of the upstream layer of filtration media are contemplated to be different than the characteristics of the downstream layer of filtration media.

Abstract: Air cleaner assemblies and components therefor are described. An example first or main filter cartridge is described which includes a media pack comprising fluted material secured to facing sheets. The media pack defines opposite inlet and outlet flow faces, with flutes extending in a direction therebetween. The cartridge defines a closed end, spaced from, but in overlap with, the outlet end face of the media pack.

Abstract: A dehumidifier apparatus is provided. The apparatus includes a housing having an interior space and a vent for permitting airflow into the interior space. The apparatus also includes a cartridge sized for removable insertion into the interior space of the housing. The cartridge includes a tray defining a first pocket, a second pocket, and a channel extending from the first pocket to the second pocket. The cartridge also includes a cover coupled to the tray over the first pocket such that the first pocket is in fluid communication with the second pocket via the channel. The cover has a first layer and a second layer detachable from the first layer. The first layer is gas permeable and liquid impermeable. The second layer is gas impermeable and liquid impermeable. The cartridge further includes a desiccant material contained in the first pocket by the cover.

Abstract: The present invention relates to a separation process of natural gas from gaseous compounds present at the wellhead by means of at least two adsorption columns, each containing an adsorbing solid and one operating at a higher pressure than the other, said process being characterized in that: •—the compression ratio is within the range of 1.1 to 10; •—the ratio between the characteristic convective time through the column and the characteristic diffusive time in the adsorbing solid is higher than 1.

Abstract: The invention proposes an apparatus for gas cleaning having a high gas cleaning efficiency at any relative humidity. The apparatus comprises a passage (10) for gas flow; a hydrophilic carrier (12) permeable for gas flow, at least part of which is positioned within said passage for gas flow, and configured for containing a reagent that contacts the gas in said passage for gas flow; a unit (14) for disposing liquid to said carrier; and a controller (16), associated with said unit for disposing liquid, configured for controlling the unit for disposing to dispose an aqueous solution of dissolved reagent to the carrier; and after that controlling the unit for disposing to dispose liquid in case the humidity of the gas is below a first humidity threshold, or to stop disposing liquid in case the humidity of the gas is above a second humidity threshold.

Abstract: Disclosed is an improved process for regenerating solvent used to remove contaminants from a fluid stream. Said process comprises a solvent regeneration system (10) comprising a rich/lean solvent stripper column (29), reboiler (50), condenser (36), and reflux receiver (38) wherein the improvement is the location 46 of the condensed stripper gas return from the reflux receiver.

Abstract: A method for removing sulfur-containing compounds from a sulfur recovery unit (SRU) tail gas stream includes the steps of introducing the SRU tail gas stream to a reducing unit to produce a membrane feed, the reducing unit configured to reduce the sulfur-containing compounds to hydrogen sulfide, introducing the membrane feed to a hydrogen sulfide membrane unit, the hydrogen sulfide membrane unit comprising a membrane, wherein the membrane feed comprises hydrogen sulfide, allowing the membrane feed to contact a feed side of the membrane such that hydrogen sulfide permeates through the membrane to a permeate side, and collecting the retentate gases that fail to permeate through the membrane to produce a stack feed, wherein the stack feed comprises retentate gases.

Abstract: In a method for operating an adsorption device to remove at least in part an adsorbable and/or condensable component from a gas flow. The adsorption device contains an adsorption material and is configured in such a way that the adsorption material is brought into contact with the gas flow in an operating region and can be regenerated in a regeneration region. In the case of an at least temporary interruption or discontinuation of transportation of the gas flow to provide an output gas flow, a follow-up operating phase is initiated, during which a portion of the adsorption material is moved out of the regeneration region.

Abstract: Provided is an air pollution control system including: a boiler, a denitration apparatus; an air heater; a precipitator; a desulfurization apparatus; a dehydrator; a concentration apparatus that is configured to remove some of water of dehydrated filtrate from the dehydrator; a spray drying apparatus provided with a spray unit that is configured to spray concentrated/dehydrated filtrate concentrated by the concentration apparatus; and a flue gas introduction line through which branch gas branched from the flue gas is introduced to the spray drying apparatus.

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: The exhaust gas purification system includes a SCR, an NOx sensor which is provided on a downstream side of the SCR, and an NOx purifying controller which controls an amount of urea water being ejected to the SCR and performs an abnormality diagnosis based on a detection value of the NOx sensor, wherein the exhaust gas purification system includes an exhaust gas temperature sensor which acquires temperature of the exhaust gas flowing into the SCR, a temperature increasing rate calculating unit which calculates a temperature increasing rate at which the exhaust gas temperature acquired by the exhaust gas temperature sensor reaches a second temperature from a predetermined first temperature, and a prohibiting unit which prohibits abnormality diagnosis by the NOx purifying controller in a case in which the temperature increasing rate calculated by the temperature increasing rate calculating unit is higher than a predetermined determination threshold value.

Abstract: Disclosed is a spiral wound membrane element that provides two permeate streams through a permeate carrier sheet. The spiral wound membrane element is sealed such that the only communication with the permeate carrier is through a membrane sleeve. The first permeate stream flows spirally inward and the second permeate stream flows in the opposite direction, spirally outward. The permeate carrier sheet is sealed at two edges so that the permeate streams can only discharge from opposite, unsealed edges of the permeate carrier sheet. The first permeate stream may be collected in a central collection tube and the second permeate stream may be collected in a peripheral region of the membrane element.

Abstract: A semi-porous composite membrane and a method of manufacturing the semi-porous composite membrane. The semi-porous composite membrane includes a base supporting substrate comprising ?-Al2O3, an outer layer comprising silica, and an intermediate layer comprising crystalline fibers of boehmite, and at least one of a secondary metal oxide and a synthetic polymer, wherein the intermediate layer is disposed between the base supporting substrate and the outer layer. The crystalline fibers of boehmite are a length of 5-150 nm. The semi-porous composite membrane may be employed in membrane reactors.

Abstract: The present invention relates to improved methods for synthesis of thin film composite membranes by interfacial polymerization. More in particular, the method of the present invention comprises the impregnation of an ultrafiltration porous support membrane with an aqueous solution containing a polyfunctional nucleophilic monomer, and contacting the impregnated support membrane with a second largely water-immiscible solvent containing a polyfunctional epoxide monomer.

Abstract: A method for making a composite polyamide membrane comprising a porous support and a polyamide layer, including the steps of: i) applying a polar solution comprising a polyfunctional amine monomer and a non-polar solution comprising a polyfunctional acyl halide monomer to a surface of a porous support and interfacially polymerizing the monomers to form a polyamide layer; and ii) exposing the thin film polyamide layer to nitrous acid; wherein the method is characterized by at least one of: conducting the interfacial polymerization of step i) in the presence of a subject amine compound, or applying a subject amine compound to the interfacially polymerized polyamide layer prior to step ii), wherein the subject amine compound is different from the polyfunctional acyl halide and polyfunctional amine monomers.

Abstract: Solvent and acid stable ultrafiltration and nanofiltration membranes including a non-cross-linked base polymer having reactive pendant moieties, the base polymer being modified by forming a cross-linked skin onto a surface thereof, the skin being formed by a cross-linking reaction of reactive pendant moieties on the surface with an oligomer or another polymer as well as methods of manufacture and use thereof, including, inter alia separating metal ions from liquid process streams.

Abstract: The present disclosure relates to a liquid filtration structure with one or more macromolecule membrane structures including membrane proteins selectively permeable to water molecules and fixed within a pore. A liquid filtration structure according to an exemplary embodiment of the present disclosure increases stability and durability of macromolecule membrane structures including membrane proteins selectively permeable to water molecules, and, thus, can be effectively used in a filtration device for purifying water.

Abstract: A dynamic mixer, useful for mixing components of viscous compounds, in particular for components of dental impression compounds, and use thereof, the mixer having a mixing tube that contains a drivable rotor and that has on one end an end wall having at least two inlet openings for components, and at the other end an outlet opening for the mixture thereof. The rotor has a rotor disk having at least one entraining element that faces the end wall, and at least one rotor disk opening for the components to pass through to the side of the rotor disk that is remote from the end wall. At least one mixing element is arranged on the rotor hub between the rotor disk and the outlet opening. At least one projecting pin is arranged on the end wall toward the rotor disk, and the at least one entraining element has at least one recess for the at least one pin.

Abstract: A fluid mixing system includes a support housing having an interior surface bounding a compartment, the support housing having a floor and a sidewall upstanding therefrom, an opening extending through the sidewall and communicating with the compartment. An elongated rack is disposed on the support housing adjacent to the opening. A first hanger includes an elongated shaft having a first end and an opposing second end, the first end of the shaft being removably mounted to the rack so that the second end projects outwardly away from the sidewall of the support housing, the second end of the shaft having a fastener disposed thereat.

Abstract: A mixing device includes a mixing section that mixes a first liquid-phase fluid with one kind or two or more kinds among a solid, a gas, and a second liquid-phase fluid different from the first liquid-phase fluid, in which the mixing section includes a supply hole for a fluid, a discharge hole for the fluid, a flow path that makes the supply hole and the discharge hole communicate with each other, and pins that protrude from the mixing section such that a fluid that includes materials to be mixed is supplied from the supply hole to the flow path, mixed by passing through the flow path with contact with the pins, and discharged from the discharge hole.

Abstract: Disclosed are a variety of amphoteric ester sulfonates, including 3-(N,N-dimethyl-cocoylpropylammonio-1-yl)-2-hydroxypropanesulfonate. These amphoteric ester sulfonates can be advantageously prepared in high yield and purity by a two-step chemoenzymatic process, and have excellent surfactant properties.

Abstract: An apparatus for continuous pelletization and crystallization of a polymer includes a unit for forming a polymer pellet material and cooling the pellet material in a liquid cooling medium. An after-connected drying unit has an exit opening for exporting gas and a crystallizer for crystallizing the pellet material. The crystallizer communicates via a connection line with the pre-connected unit for separating the liquid cooling medium from the pellet material and drying the pellet material. The crystallizer communicates with an inert gas tank, whereby the pressure in the crystallizer can be increased relative to the pressure in the drying unit. A related process is also disclosed.

Abstract: Steam-hydrocarbon reforming reactor with a reformer tube containing ceramic-supported catalyst pellets and metal foam particles. The ceramic-supported catalyst pellets have a porous support comprising one or more of alumina, calcium aluminate, and magnesium aluminate. The metal foam particles comprise Fe and/or Ni. The ceramic-supported catalyst pellets and metal foam particles may be layered or interspersed.

Abstract: a reactor for conducting laboratory reactions comprises includes reaction vessel, a catalyst holder in the reaction vessel, and a drive system configured to drive reciprocating linear movement of the catalyst basket. The catalyst holder can be configured to hold a plurality of catalyst particles so the catalyst particles remain spaced apart from one another. A reactor for conducting laboratory reactions can also include a reaction vessel, an impeller in the reaction vessel, and a drive system configured to drive reciprocating linear movement of the impeller.

Abstract: A method for making microcapsules including an encapsulated material may include providing, in an aqueous continuous phase, one or more microcapsules including an encapsulated material surrounded by an inner shell including a first cross-linked polymer matrix. An outer surface of the inner shell may be hydrophobic. The method may also include adding thereto a polymerizable liquid component and a stabilizing agent, wherein the polymerizable liquid component is immiscible in the aqueous environment. The method may also include forming microcapsules wetted by the polymerizable liquid component. The method may further include polymerizing the polymerizable liquid component forming an outer shell including a second cross-linked polymer matrix formed about the inner shell. The microcapsules may be included in articles and compositions.

Abstract: Methods and systems for improved catalytic reforming are disclosed. A method of catalytic reforming includes feeding a feedstream comprising C6-convertibles to one or more reactors; contacting the feedstream with a reforming catalyst; selecting values for a LHSV, a H2/HC ratio, and a conversion of C6-convertibles from a deactivation kinetic model so as to maximize a net present amount of benzene produced over a run-length of the reforming catalyst; operating the one or more reactors at the selected LHSV, the selected H2/HC ratio, and the selected conversion of C6-convertibles; and recovering an effluent from the reactor, wherein the effluent comprises at least about 40 wt % benzene.

Abstract: A nanometer-size-particle production apparatus and method are provided which can prevent the occurrence of waste fluids, and which makes quick and continuous syntheses feasible while suppressing damages to the electrode. The nanometer-size-particle production apparatus is for synthesizing nanometer size particles in a liquid by means of plasma in the liquid.

Abstract: An instrument and method for high pressure microwave assisted chemistry are disclosed. The method includes the steps of applying microwave radiation to a sample in a sealed vessel while measuring the temperature of the sample and measuring the pressure generated inside the vessel and until the measured pressure reaches a designated set point, opening the vessel to release gases until the pressure inside the vessel reaches a lower designated set point, closing the vessel, and repeating the steps of opening the vessel at designated pressure set points and closing the vessel at designated pressure set points to the sample until the sample reaction reaches a designated high temperature. The designated set points can controllably differ from one another as the reaction proceeds. Microwave energy can be applied continuously or intermittently during the opening and closing steps.

Abstract: The present invention relates to a polymerization device for the production of melts of thermoplastic polymers in which the heat of the discharged product can be recovered and used for preheating of the usable raw materials. In addition, the present invention relates to a corresponding method for the production of thermoplastic polymers.

Abstract: Provided are graft copolymer particles enabling introduction of adsorptive functional groups adsorbing metals and others, a method for producing same, and an adsorbent using same. (1) Porous graft copolymer particles containing graft chains introduced into porous particles (particle surface having an average pore diameter of 0.01-50 ?m) including at least one resin selected from olefin resins, water-insoluble modified polyvinyl alcohol resins, amide resins, cellulosic resins, chitosan resins and (meth)acrylate resins. (2) A method for producing porous graft copolymer particles including (I) melt-kneading a polymer A and a polymer B other than the polymer A to obtain a compound material, (II) extracting and removing the polymer B from the compound material to obtain a porous material of the polymer A, (III) granulating the porous material, and (IV) introducing graft chains into the porous particles. (3) An adsorbent of porous graft copolymer particles.

Abstract: Silica particles, and methods of making and using silica particles are disclosed herein. In some embodiments, the silica particles are hollow, include an outer shell portion having a mesoporous structure, and have a pore volume of at least 4 cm3/g. In some embodiments, the silica particles include an outer shell portion having a mesoporous structure forming a cavity, the silica particles have an average pore diameter of 3 to 100 nm, and at least a portion of the silica particles include one or more core nanoparticles within the cavity. Silica particles as disclosed herein can be useful in a wide variety of applications such as selective separations (e.g., gas separations or purifications) based on structure.

Abstract: A dechlorinating agent for blast furnace top gas prepared by the steps of: selecting industrial limestone, commercial sodium carbonate and potassium hydroxide; soaking the raw industrial limestone in a potassium hydroxide solution, wherein a concentration of the potassium hydroxide solution is 10%-15%; heating the soaked limestone at 700° C. for calcination; grinding the light-burned limestone obtained by calcining the limestone and sodium carbonate until the particle size is below 20 ?m; mixing the light-burned limestone and the sodium carbonate at a proportion of 30-70:70-30 for 10-15 min; grinding the resultant mixture by milling process until the particle sizes of all powders are less than 80 ?m; adding 3% bentonite in the prepared mixing powder and fully mix the mixture; pelletizing the mixture with atomized water using a disc pelletizer; and selecting pellets of 3-10 mm in size; drying the said pellet at a temperature below 100° C.

Abstract: The invention relates to a process for regeneration of an adsorber (A) by contact with a stream (S1), wherein the stream (S1) is heated in advance by at least two heat exchange units (HEU1) and (HEU2). As outflow of the adsorber (A) a stream (S2) is obtained, which is passed through at least two heat exchange units (HEU1) and (HEU2) traversed by stream (S1), wherein the temperature of stream (S2) fed into each heat exchange unit is higher than the temperature of stream (S1) fed into the heat exchange units (HEU1) and (HEU2), in order to directly transfer heat from stream (S2) to stream (S1).

Abstract: A method of preparing a hydrogenation catalyst, for example, a phthalate hydrogenation catalyst, comprising contacting a silica support having a median pore size of at least about 10 nm with a silylating agent to form an at least partially coated silica support, calcining said coated silica support to form a treated silica support, and depositing a noble metal, preferably ruthenium, on the treated silica support, and optionally contacting the treated silica support with an optional chelating agent to form the hydrogenation catalyst; a hydrogenation catalyst prepared by that method; and a method of hydrogenating unsaturated hydrocarbons, such as phthalates, in which an unsaturated hydrocarbon is contacted with hydrogen gas in the presence of the hydrogenation catalyst of the invention.

Abstract: A catalyst article for treating an emission gas is provided comprising (a) an oxidation catalyst comprising at least one noble metal on a WO3—TiO2 support, wherein the support contains about 1 to about 20 weight percent WO3 based on the combined weight of the WO3 and TiO2; and (b) a substrate, wherein the first and second catalyst layers are on and/or within the substrate.

Abstract: One aspect of the present invention provides a method for preparing a ferrite metal oxide catalyst, comprising (a) preparing a precursor solution by dissolving a magnesium nitrate precursor and an iron nitrate precursor in a polar solvent, (b) forming a catalyst powder by spray-pyrolyzing the precursor solution into a reactor using a carrier gas, and (c) calcinating the catalyst powder in a reservoir after conveying the catalyst powder to the reservoir. The method may increase the activity and stability of a catalyst powder by additionally performing a step of calcinating the catalyst powder at a certain temperature for a certain period of time, and may increase the purity of the catalyst by reducing moisture and nitrate remaining in the catalyst. Also, when using the catalyst in an oxidative dehydrogenation of n-butene, the selectivity and purity of 1,3-butadiene may increase.

Abstract: The invention relates to a process for preparing bulk metal oxide particles comprising the steps of combining in a reaction mixture (i) dispersible nanoparticles having a dimension of less than about 1 ?m upon being dispersed in a liquid, (ii) at least one Group VIII non-noble metal compound, (iii) at least one Group VIB metal compound, and (iv) a protic liquid; and reacting the at least one Group VIII non-noble metal compound and the at least one Group VIB metal in the presence of the nanoparticles. It also relates to bulk metal hydroprocessing catalysts obtainable by such method.

Abstract: Mixed chloride-bromide bismuth oxyhalide compounds, with the molar ratio chloride:bromide being equal to or greater than 1:1, in the form of microspheres exhibiting flower-like surface morphology, are disclosed. Processes for preparing the compounds, formulations of the compounds and a method for purifying water using said compounds are also disclosed.

Abstract: Disclosed is an oxidation process to produce a crude carboxylic acid product carboxylic acid product. The process comprises oxidizing a feed stream comprising at least one oxidizable compound to generate a crude carboxylic acid slurry comprising furan-2,5-dicarboxylic acid (FDCA) and compositions thereof. Also disclosed is a process to produce a dry purified carboxylic acid product by utilizing various purification methods on the crude carboxylic acid.

Abstract: A process for ex-situ treatment of a catalyst that contains at least one hydrogenating phase, and at least one amorphous silica-alumina or a zeolite that contains acid. The process includes: a stage for introducing nitrogen by contact at a temperature that is less than 100° C., with at least one basic nitrogen-containing compound that is ammonia or a compound that can be decomposed into ammonia, the compound being introduced at a rate of 0.5-10% by weight (expressed in terms of N), and a sulfurization/activation stage with a gas that contains hydrogen and hydrogen sulfide at a temperature of at least 250° C., with this stage being carried out before or after the stage for introducing said nitrogen-containing compound, and optionally drying the catalyst that is obtained. This treatment allows a rapid, effective start-up on the hydrocracking unit.

Abstract: The present invention relates to a metal modified Y zeolite, its preparation and use. Said zeolite contains 1-15 wt % of IVB group metal as oxide and is characterized in that the ratio of the zeolite surface's IVB group metal content to the zeolite interior's IVB group metal content is not higher than 0.2; and/or the ratio of the distorted tetrahedral-coordinated framework aluminum to the tetrahedral-coordinated framework aluminum in the zeolite lattice structure is (0.1-0.8):1.

Abstract: Methods for treating or rejuvenating a spent catalyst are disclosed. Such methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst.

Abstract: The present invention relates to a process for the regeneration of a catalyst comprising a titanium-containing zeolite, said catalyst having been used in a process for the preparation of an olefin oxide and having phosphate deposited thereon, said process for the regeneration comprising the steps: (a) separating the reaction mixture from the catalyst, (b) washing the catalyst obtained from (a) with liquid aqueous system; (c) optionally drying the catalyst obtained from (b) in a gas stream comprising an inert gas at a temperature of less than 300° C.; (d) calcining the catalyst obtained from (c) in a gas stream comprising oxygen at a temperature of at least 300° C.

Abstract: A catalyst composition comprising (a) a manganese-containing compound and (b) a carboxylic acid functionalized metal organic framework (MOF) compound; and a process for preparing an olefin oxide compound product including reacting (a) at least one olefin compound with (b) at least one oxidant in the presence of (c) the above catalyst composition.

Abstract: This invention relates to a process for the preparation of surface-functionalised metal oxide, metal sulphide, metal selenide or metal telluride nanoparticles, a process for the preparation of a composite material comprising such nanoparticles, nanoparticles and a composite material produced thereby, the use of such nanoparticles in catalysis and a catalyst comprising such nanoparticles.

Abstract: A method to manufacture an ion exchange membrane involves treatment of the membrane in a strong base to strengthen the membrane, decrease the membrane solubility, and create linkages that can be detected by analysis using two-dimensional nuclear magnetic resonance (NMR).

Abstract: Pipette tip coupler and a disposable pipette tip for a pipette device comprises a stepped coupler shoulder complementary to an axially stepped pipette tip shoulder; a plurality of circumferentially disposed elements or segments carried by the coupler at a location superior to the coupler shoulder; and a distal elastomeric element carried by the coupler at a location distal to the coupler shoulder wherein the plurality of elements or segments have a circumferential, radially translated state that provides an abutment with a first working surface formed in the interior surface of the tip while compressing the distal elastomeric element into sealing abutment with a second working surface formed in the interior surface of the tip and while abutting the proximally facing axial stop surface of the tip with the distally facing axial stop surface of the coupler to define an axial coupling position of the pipette tip on the pipette device.

Abstract: The subject of the present invention is a microfluidic circuit in which are defined microchannels able to contain fluids and including at least one device for forming drops of a solution, guiding the drops to a storage zone in which one of the drops can be brought into contact with a drop of another solution, the walls of the microchannel portion forming the first drop-formation device diverging so as to cause drops of the first solution to detach under the effect of the surface tension of the first solution; the first guide include wall portions of the microchannels that diverge so as to cause the drops to move along under the effect of the surface tension of the first solution.

Abstract: This applicator comprises a base (22) and a product applicator tongue (25) that projects from the base (22) along an axis (A-A?), said tongue (25) defining a central cavity (30). It comprises a massage element (32) disposed in the central cavity (30), with the massage (32) element and the tongue (25) defining therebetween in the cavity (30) an intermediary product retaining space (33). The massage element (32) and the tongue (25) can move in relation to one another transversally in relation to the axis (A-A?).

Abstract: A detector for detecting an agent within an aerosol is provided. The detector may include a liquid feeder configured to generate a droplet comprised of an assay reagent. The detector may further include an aerosol focuser configured to capture and focus the aerosol such that the aerosol is configured to be encapsulated within the droplet in order to cause the assay reagent to react in the droplet. The detector may even further include an interrogator configured to interrogate the droplet in order to detect the agent within the aerosol.