Abstract: A process is disclosed for wetting a filter cartridge used to treat a liquid solvent used in semiconductor manufacture. In the process, a filter cartridge having void spaces wherein the void spaces contain residual gas from the manufacturing process used to make the filter cartridge is connected to a source of purging gas. The purging gas is flowed through the filter cartridge to at least partially displace at least a portion of the residual gas from the manufacturing process used to make the filter cartridge. Next, liquid solvent is pumped through the filter cartridge so that the purging gas dissolves into the liquid solvent and to at least partially fill the void spaces to thereby at least partially wet out the filter cartridge with the liquid solvent.

Abstract: Nanoporous selective sol-gel ceramic membranes, selective-membrane structures, and related methods are described. Representative ceramic selective membranes include ion-conductive membranes (e.g., proton-conducting membranes) and gas selective membranes. Representative uses for the membranes include incorporation into fuel cells and redox flow batteries (RFB) as ion-conducting membranes.

Abstract: To provide: a purification method which uses a polyimide and/or polyamide imide porous membrane that exhibits excellent removal performance for impurities such as metals, and wherein a liquid that is a silylating agent liquid, a film forming material or a diffusing agent composition is an object to be purified; a purification method for purifying a silicon compound-containing liquid that contains a silicon compound which is capable of producing a silanol group by hydrolysis; a method for producing a silylating agent liquid, a film forming material or a diffusing agent composition, which uses the purification method; a filter medium which is composed of the above-described porous membrane; and a filter device which comprises the above-described porous membrane.

Abstract: An oil-water separation membrane is described. The oil-water separation membrane comprises a porous metal sheet with a photocatalyst layer on one side and a layer of nanoparticles and a surfactant on the other side. The layer of nanoparticles and surfactant create a superoleophobic and superhydrophilic coating that allows passage of an aqueous phase and rejection of an oil phase. The photocatalyst layer, combined with UV irradiation, enables degradation of organic contaminants in the aqueous phase. The oil-water separation membrane may be used as part of an oil-water separation system, and a filtered water product may be recycled through the membrane to increase the removal of organic contaminants.

Abstract: The present invention includes a treatment system and methods for removing waste or other agents from a fluid stream, the system comprising: an inlet flow path for receiving a fluid stream from a source outside the treatment system; a vessel for containing the fluid stream, the vessel comprising a permeable filter configured for biological and physical treatment of the fluid stream, the filter comprising one or more nano-thin film or polymer composite layers of carbon materials assembled in sp2 hybridized structures comprising carbon-carbon bonds, wherein the waste or agent is removed as it flows through pores in the film composite; and a drain fluidly connected to the vessel for discharging treated fluid stream from the vessel from which the waste or agents have been removed.

Abstract: An article having a nanoporous membrane and a nanoporous graphene sheet layered on the nanoporous membrane. A method of: depositing a layer of a diblock copolymer onto a graphene sheet, and etching a minor phase of the diblock copolymer and a portion of the graphene in contact with the minor phase to form a nanoporous article having a nanoporous graphene sheet and a nanoporous layer of a polymer. A method of: depositing a hexaiodo-substituted macrocycle onto a substrate having a Ag(111) surface; coupling the macrocycle to form a nanoporous graphene sheet; layering the graphene sheet and substrate onto a nanoporous membrane with the graphene sheet in contact with the nanoporous membrane; and etching away the substrate.

Abstract: The present invention relates to a thin film composite forward osmosis membrane with a polyethylene porous support, and a thin film composite forward osmosis membrane which is low cost, has excellent durability and chemical resistance, and outstanding performance (water flux and specific salt flux) may be provided in the present invention.

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

Abstract: A graft copolymer including zwitterionic repeat units and hydrophobic repeat units, in which the zwitterionic repeat units constitute 2-60 wt % of the graft copolymer and each of the hydrophobic repeat units is characterized in that a homopolymer formed thereof is miscible with polyvinylidene fluoride, polysulfone, poly ether sulfone, polyvinyl chloride, or polyacrylonitrile, each of the hydrophobic repeat units not being a repeat unit of polyvinylidene fluoride. Also disclosed is a filtration membrane containing such a graft copolymer or a statistical copolymer that includes the same composition of repeat units as the graft copolymer. Further disclosed are methods of preparing the graft copolymer and the filtration membrane.

Abstract: A method for processing a fluid includes removably securing a retention member to a vessel that bounds a chamber; inserting a collapsible bag within the chamber of the vessel; securing the bag to the retention member so that the bag is supported within the chamber of the vessel; and dispensing a fluid into a compartment of the collapsible bag supported within the chamber of the vessel. The fluid can be mixed within bag while the bag is disposed within the vessel.

Abstract: A gas distribution system for a polysilicon deposition reactor eliminates or mitigates the problems associated with prior art distribution systems employs at least two segments which are gas-tightly connected to one another by readily detachable fasteners, with at least one gas inlet opening and one gas outlet opening, the gas distributor of the system being mounted by readily detachable fasteners to the polysilicon reactor.

Abstract: A reactor for hydrocarbon production that separates wax reaction products from lightweight gaseous reaction products. The reactor has a housing, a catalyst bed, a product recovery zone, and a stripping zone. The catalyst bed can be provided in multi-tubular and other fixed bed configurations. The stripping zone receives light-weight gas reaction products from the product recovery zone, while a gas outlet of the housing receives non-lightweight gaseous hydrocarbon reaction products from the product recovery zone. A wax outlet of the housing receives wax products from the product recovery zone.

Abstract: The invention relates to a boiling water reactor for an exothermal reaction. The reactor comprises reactant by-pass inserts arranged on top of the upper tube sheet to provide for a catalyst layer on top of the upper tube sheet and also a cooling stream of reactant by-passing the upper layer of catalyst and cooling the upper tube sheet from the temperature rise due to the exothermal reaction taking place in the upper layer of catalyst.

Abstract: Ammoximation reactor for cyclohexanone oxime production comprising: (a) a reactor vessel provided with a stirrer; (b) an internal filtering system; (c) an internal liquid ammonia evaporation coil; (d) an internal gaseous ammonia toroidal distributor; (e) an external cyclohexanone toroidal distributor; (f) an internal hydrogen peroxide toroidal distributor; (g) an internal cylindrical draft tube; (h) an external cooling jacket. Said ammoximation reactor allows to obtain a better mixing of the components of the ammoximation reaction and to maximize both the heat-transfer coefficients and the mass-transfer coefficients. Moreover, said ammoximation reactor allows to increase the packing time of the catalyst used in the ammoximation reaction on the filtering system (i.e. the plugging phenomena) so as to avoid the necessity of carrying out the backwashings with nitrogen.

Abstract: A granular fluidized bed reactor (FBR) for production of high purity silicon is described. The FBR uses a draft tube to promote internal circulation while minimizing voids in the fluidized bed, one significant cause of dust formation. The FBR design has geometries to minimize reactive gas concentration within the draft tube and imposes a desirable circulation pattern in operation. A portion of the FBR wall above a reactive zone provides heat input to maximize deposition on silicon beads while minimizing wall deposition. The FBR is made of carbon composite, ceramic, and graphite materials in a design to minimize contamination and enable silicon deposits to be melted out.

Abstract: A cold-wall reactor for suspension-bed hydrogenation includes a reactor body including a reaction product outlet, cold hydrogen gas inlet and feed inlet. The reactor body includes a housing, surfacing layer and thermal insulation liner. An inner lining cylinder is fixedly arranged inside the reactor body with an outlet connected with the reaction product outlet. A side wall of the inner lining cylinder and an inner side wall of the reactor body define a cavity serving as a first circulation channel. A second circulation channel is arranged on the inner lining cylinder side wall. The inner lining cylinder communicates with the first circulation channel through the second circulation channel. In suspension-bed hydrogenation, material temperature is more uniform, reaction efficiency is improved, materials coking is reduced, thermal insulation liner issues are prevented, and the temperature of the outer wall of the reactor body is lower than the temperature of the medium.

Abstract: There is described a versatile and environment-friendly one-pot process for the preparation of nanoparticles of noble metals in hydrogel, obtainable at room temperature using quaternized hydroxyethylcellulose.

Abstract: A process for preparing nanocapsules having a core-shell structure, comprising: (a) preparing an oil-in-water emulsion by emulsification of an oily phase that comprises a core material, in an aqueous phase, under high shear forces, wherein one or both of the oily phase, and the aqueous phase comprises a sol-gel precursor; (b) subjecting the emulsion obtained in (a) to a high pressure homogenization to obtain a nano-emulsion; and (c) applying conditions for hydrolyzing and polycondensing the sol-gel precursor to obtain nanocapsules having a metal oxide shell encapsulating the core material, said nanocapsules have a particle size distribution of: d10=10-80 nm, d50=30-200 nm, and d90=70-500 nm, in diameter. The invention also relate to nanocapsules having the above particle size distribution and to composition comprising the nanocapsules.

Abstract: A chemical reactor for use in a chemical process wherein a reactant and/or a target product is prone to produce undesirable byproducts through secondary reactions. The reactor is configured with a first flow passage for passing a flow of an overly reactive reactant; a permeable first wall for controlled flow of the overly reactive reactant into a second flow passage providing a flow of a second reactant; a permeable second wall having a catalyst supported on an inner surface thereof for catalyzing reaction of the reactants flowing in the second flow passage; the permeable second wall passing through a flow containing the target product; and a non-permeable third wall defining a third flow passage for exiting the product mixture. The reactor can be employed in selective oxidation, oxidative dehydrogenation, and alkylation processes to reduce the formation of byproducts.

Abstract: The present invention provides a system for the production of a radiopharmaceutical including a radiosynthesis apparatus and a disposable cassette. The system of the invention includes a device that enables a position on the cassette to be freed for inclusion of an additional reagent vial. With the system of the invention a broader range of radiochemical syntheses can be envisaged using the cassette.

Abstract: There is disclosed an electrode array architecture employing continuous and discontinuous circumferential electrodes. There is further disclosed a process for the neutralization of acid generated at anode(s) by base generated at cathode(s) circumferentially located to each other so as to confine a region of pH change. The cathodes can be displayed as concentric rings (continuous) or as counter electrodes in a cross pattern (discontinuous). In this way reagents, such as acid, generated in a center electrode are countered (neutralized) by reagents, such as base, generated at the corners or at the outer ring.

Abstract: Methods and compositions are disclosed relating to the localization of nucleic acids to arrays such as silane-free arrays, and of sequencing the nucleic acids localized thereby.

Abstract: The present invention provides methods, compositions, and systems for distributing single polymerase molecules into array regions. In particular, the methods, compositions, and systems of the present invention result in a distribution of single polymerase molecules into array regions at a percentage that is larger than the percentage expected to be occupied under a Poisson distribution.

Abstract: The invention relates to a process for the production of thermoplastic moulding compounds, in particular ABS, wherein at least a first reagent (11) and a second reagent (12) of the thermoplastic moulding compounds are fed to a gear pump (10) which comprises a housing and at least a first gear wheel that is rotatable relative to the housing about a first axis, and a second gear wheel that is rotatable relative to the housing about a second axis, wherein a loop conduit (29) is provided, and wherein the reagents (11, 12) are pressed in a loop through the loop conduit (29) and passing the gear wheels, whereby the reagents (11, 12) are dispersed to form a dispersion (15) in the gear pump (10). The invention also relates to a thermoplastic moulding compound that is produced by the inventive process.

Abstract: An apparatus for producing metal organic frameworks, comprising: a tubular flow reactor comprising a tubular body into which, in use, precursor compounds which form the metal organic framework are fed and flow, said tubular body including at least one annular loop.

Abstract: The invention relates to a processing system comprising at least one pressurization device; at least one separation device; at least one conversion section; at least one valve unit between the at least one pressurization device and the at least one conversion part; at least one valve unit between the at least one conversion part and the at least one separation unit; where the conversion section comprises at least two parallel conversion units; where each conversion unit comprises at least one heating device, at least one reactor device, and at least one cooling device.

Abstract: Method and apparatus for controlling metals in a liquid are described. The liquid is contacted with a hexahydrotriazine and/or a hemiaminal material, and metal is adsorbed from the liquid onto the material. The hexahydrotriazine and/or hemiaminal material may be made from a diamine and an aldehyde.

Abstract: Provided is: a water-absorbent resin which has a better water absorption performance and with which it is possible to improve absorption performance under a load when used in an absorbent material. This water-absorbent resin, obtained by polymerising a water soluble ethylenically unsaturated monomer in the presence of an internal-crosslinking agent and by post-crosslinking using a post-crosslinking agent, has a water-absorption capacity of physiological saline under a load of 4.14 kPa of 16 mL/g or more, has a mass proportion of particles from 150 to 850 ?m relative to the whole proportion of 85 mass % or more, moreover has a mass proportion of particles from 300 to 400 ?m relative to the whole proportion of 20 mass % or more, and has an absorption capacity elasticity index represented by formula (I) of 68,000 or more. Absorption capacity elasticity index=storage elastic modulus [Pa]×centrifugal retention rate [g/g] . . . (I).

Abstract: A manufacturing apparatus is an apparatus for manufacturing a water absorption treatment material that is composed of a plurality of grains that bond to each other upon absorbing a liquid, and includes a granulation machine and a pressure application machine. The granulation machine forms a substantially cylindrical granule that constitutes each of the grains by granulating a granulation material. The pressure application machine applies pressure to the granule formed by the granulation machine from a longitudinal direction of the granule so as to reduce the length of the granule.

Abstract: A water absorbent resin (water absorbing agent) and method for producing it are provided which improve, in a water absorbent article (in particular, a diaper) including a water absorbent resin as a water absorbing agent, the absolute absorption amount (g), liquid absorbing times (in particular, liquid absorbing times at the second instance and later), re-wet (g), and diffusion distance (%) of the water absorbent article. A particulate water absorbing agent of the present invention has a CRC, a proportion of particles with sizes of 600 ?m to 150 ?m as defined through a standard-sieve classification, an SST, and the value of the difference between an FST and the SST each within a predetermined range.

Abstract: The invention pertains to a process for in-situ regeneration of activated carbon loaded with trihalomethane (THM). Based on the invention, this is achieved with alkaline hydrolysis of the THM with increased temperatures within the activated carbon in halogen-free, good water-soluble, or gaseous compounds. After completion of the chemical hydrolysis treatment, the activated carbon is cleared of reagents and reaction products by rinsing with water and diluted acids, and is then available for reloading in the untreated water flow. During the entire cleaning process, the activated carbon bed must not be moved.

Abstract: Method for the preparation of a catalyst comprising vanadium pentoxide supported on a metal oxide catalyst carrier comprising the steps of a) providing particles of crystalline vanadium pentoxide and particles of a metal oxide catalyst carrier; b) solid state mixing the particles and dispersing the vanadium pentoxide particles on surface of the metal oxide carrier particles; and c) anchoring the dispersed vanadium pentoxide particles on surface of the metal oxide carrier particles by calcination at a temperature above 500° C., characterized in that sintering of the vanadium pentoxide particles is suppressed by addition of an anti-sintering metal oxide component, such as tungsten trioxide, during the anchoring in step c).

Abstract: A catalyst includes a support, where the support includes an external surface, about 60 wt % to about 99 wt % silica, and about 1.0 wt % to about 5.0 wt % alumina. A catalytic layer is disposed within the support adjacent to the external surface, where the catalytic layer further includes Pd, Au, and potassium acetate (KOAc). In the catalyst, (a) the KOAc is from about 60 kg/m3 to about 150 kg/m3 of the catalyst; or (b) the catalytic layer has an average thickness from about 50 ?m to about 150 ?m; or (c) both (a) and (b). The catalyst also possesses a Brunauer-Emmett-Teller surface area of about 130 m2/g to about 300 m2/g and a geometric surface area per packed bed volume from about 550 m2/m3 to about 1500 m2/m3. The catalyst is highly active for the synthesis of vinyl acetate monomer and exhibits a high selectivity for vinyl acetate monomer.

Abstract: The present invention relates to a process for preparing a nickel-based catalyst promoted with aluminium compounds with increased resistance to thermal deactivation and to the nickel-based catalyst thus obtained. In addition, the present invention relates to the use of said catalyst in a steam reforming process starting from hydrocarbons for producing hydrogen or synthesis gas.

Abstract: The present invention provides a catalyst carrier with shift and adsorption purification performance, comprising modified bauxite in the raw material components which fluxing and pore forming effects. Most iron oxide contained in the bauxite is removed after modification, so that there are a large amount of highly active aluminosilicate compounds in the modified bauxite. When preparing the catalyst, the aluminosilicate compound serves as a low melting point flux and can significantly increase the migration rate of magnesium and aluminum ions during the calcinating process and promote the generation of MgAl2O4 at low temperatures, thereby the catalyst carrier of the present invention has strong anti-hydration capacity and mechanical strength.

Abstract: Described are fluid catalytic cracking (FCC) compositions, methods of manufacture and use. FCC catalyst compositions comprise particles containing a non-zeolitic component and one or more boron oxide components. In embodiments, the FCC catalyst composition contains a zeolite component and optionally a rare earth component and a transition alumina. FCC catalytic compositions may comprise a first particle type containing one or more boron oxide components and a first matrix component mixed with a second particle type containing a second matrix component, and a zeolite. The FCC catalyst compositions can be used to crack hydrocarbon feeds, particularly resid feeds containing high V and Ni, resulting in lower hydrogen and coke yields.

Abstract: Provided is a Na—Y molecular sieve and a method for preparing the Na—Y molecular sieve, an H—Y molecular sieve and a method for preparing the H—Y molecular sieve, a hydrocracking catalyst, and a hydrocracking method. The average grain diameter of the Na—Y molecular sieve is 2-5 ?m, and the sum of pore volumes of pores in 1-10 nm diameter accounts for 70-90% of the total pore volume of the Na—Y molecular sieve. The H—Y molecular sieve obtained from the large-grain Na—Y molecular sieve can be used as an acidic component in the hydrocracking catalyst. When the hydrocracking catalyst containing the H—Y molecular sieve is applied in the hydrocracking reaction of heavy oils that contain macromolecules, it can provide better cracking activity and product selectivity in the hydrocracking reaction.

Abstract: In an embodiment, a catalyst comprises a porous carrier having 5 to 200 pores per 2.54 centimeters and a pore volume of at least 90 vol % based on the total volume of the porous carrier; wherein the porous carrier comprises one or both of carbon and a metal; and a sulfonated, cross-linked polystyrene located on at least part of a surface of the porous carrier.

Abstract: The present disclosure discloses an immobilized metalloporphyrin catalyst and its utilization in maleic acid preparation, belonging to the technical field of metalloporphyrin catalytic application. The immobilized metalloporphyrin catalyst is used for catalyzing furfural to prepare maleic acid and is good in catalytic effect, mild in reaction conditions and capable of greatly reducing the energy consumption required in the prior art. The catalyst disclosed by the present disclosure can provide a good microenvironment for a reaction, so that the yield and selectivity of maleic acid are increased; and according to a method disclosed by the present disclosure, the conversion ratio of furfural is 20.4%-95.6%, the yield of maleic acid is 10%-56.1%, and the selectivity is 43.6%-76.1%. Meanwhile, the catalyst is easy to separate and environmentally friendly and may be recycled for many times.

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: A method for removing contaminants from an process stream that includes the use of reticulated material to filter the process stream. The reticulated material also facilitate process stream flow distribution in process units. The reticulated material can be packed with a void space between a substantial number of the reticulated material that can be varied to enhance filtration and flow distribution. The method of filtering also provides a method of removing contaminants leaving process equipment. The methods can be used on a variety of process streams and process equipment. The reticulated material can include ceramics, metallic materials, and chemical vapor deposition elements. The reticulated material can be of various shapes and sizes, and can also be catalytically active.

Abstract: Embodiments of the invention relate generally to anion exchange membranes and, more particularly, to anion exchange membranes comprising a styrene block copolymer and methods for their manufacture. In one embodiment, the invention provides a polymer according to formula IV, wherein x and y are mol %, QA is or each of R1 and R2 is, independently, a linear alkyl chain or a cyclic alkyl chain, and Z is selected from a group consisting of: a linear alkyl chain, a cyclic alkyl chain, and an alkylene ether chain.

Abstract: With respect to a clean air device, in order to provide a device structure and an air cleaning unit inspecting method capable of supplying clean air through a filter and also capable of measuring the amount of dust in a workroom space in which blown air forms a laminar flow such that an increase in the amount of dust can be accurately detected, the clean air device comprises an air cleaning unit, a rectifying unit arranged downstream of the air cleaning unit configured to rectify air blown from the air cleaning unit and form a laminar flow, and a workroom arranged downstream of the rectifying unit, wherein at least one suction port is provided on a wall surface in a space formed between the air cleaning unit and the rectifying unit, configured to draw out the air in the space to an exterior.

Abstract: An apparatus for sequencing a nucleic acid by printing droplets at least some of which contain single nucleotides derived from the nucleic acid is provided.

Abstract: Pipette assembly comprising a pipette device, a pipette tip, and an expanding mandrel collet coupling device coupling the tip to the pipette device, the coupling device comprising: circumferentially spaced apart segments, an annular base disposed below the segments and comprising a distal portion, an elastomeric element circumscribing the distal portion, and upwardly extending circumferentially spaced apart arms attached at first ends to the annular base and having upper free ends each supporting a different one of the segments configured to expand between a first and a second greater circumference for engaging a first interior working surface of the tip in concurrence with the elastomeric element sealing against a second interior working surface below the first surface and in concurrence with an abutment between a disk exteriorly disposed about a medial portion of the arms and a stepped interior shoulder of the tip disposed between the first and second working surfaces.

Abstract: The present disclosure provides a cartridge for purifying biological samples. The cartridge comprises a first chamber configured to receive and hold biological samples, and at least one second chamber configured to receive and hold a reagent solution. A first fluid flow control valve is fluidly connected to outlet ports of the first chamber and the at least one second chamber. Also, the first fluid flow control valve is fluidly connected to a matrix chamber and is configured to selectively route biological samples and reagent solution into the matrix chamber for purifying the biological samples. A binding matrix is configured in the matrix chamber for capturing the nucleic acids from the biological samples and the reagent solution. Further, a elute collection chamber is fluidly connected to the matrix chamber, wherein the elute collection chamber is configured to receive and hold purified biological sample from the matrix chamber.

Abstract: Disclosed herein are devices, systems, and methods for sorting a particle based on a characteristic of a particle.

Abstract: An integrated testing device and method are disclosed. The device includes an integral reservoir for a test fluid, and an actuator, so that the test fluid can be dispensed to facilitate the test.

Abstract: Microscale fluidic devices and components thereof having a fluid retention groove, as well as systems and methods related thereto. The fluid retention groove facilitates uniform bonding of microfluidic device components.

Abstract: A cartridge includes an inlet portion that is connected to an assay chamber and a suction reservoir. The inlet portion is configured to allow a direct uptake of sample medium. During this uptake, air is trapped in the assay chamber, which prevents a premature entrance of the sample medium into the assay chamber. The transfer of the sample medium from the inlet portion to the assay chamber is thus controllably initiated at a later time, for example by opening a vent port connected to the assay chamber.