Abstract: The present disclosure relates to methods for processing plastic waste pyrolysis gas, such as methods wherein clogging of the systems used in the method is avoided or at least alleviated.

Abstract: Methods and systems for scrubbing and removing hydrogen sulfide from a biogas. The methods and systems use a hydrogen sulfide removal media comprising biomass derived biochar, activated carbon, silica gel, and metal organic framework inside a tube through which the biogas passes to scrub the hydrogen sulfide from the biogas. The methods and systems are capable of achieving are about 95% reduction of hydrogen sulfide present in the biogas.

Abstract: A clean water production system includes a photovoltaic panel and a first membrane distillation system having a first evaporation layer, first porous hydrophobic layer and first condensation layer. The first membrane distillation system is located under the photovoltaic panel. A second membrane distillation system has a second evaporation layer, second porous hydrophobic layer and second condensation layer. The second membrane distillation system is located under the first membrane distillation system. A thermoelectric generator is located under the second membrane distillation system converting heat to electricity.

Abstract: A method of producing a separation membrane includes a seed crystal adhesion step of adhering zeolite seed crystals to a porous support formed of stainless steel to obtain a seed crystal-bearing support and a separation layer formation step of forming a porous separation layer formed of a zeolite on the seed crystal-bearing support. The stainless steel has a contact angle with water of 90° or more. The seed crystal adhesion step includes bringing the zeolite seed crystals and a solvent having a contact angle with the stainless steel of 30° or less into contact with the porous support.

Abstract: Provided is an ultra large-width coating device applied to a consecutive process. More particularly, the present invention relates to a coating device capable of maximizing productivity by consecutively manufacturing a large-width film without reducing physical properties of the manufactured film by overcoming a problem in that a coating width is limited during a coating process using the existing contact type coating roller, and a method for manufacturing an ultra large-width membrane using the same.

Abstract: New carbon nanomaterials, preferably titanium carbide-derived carbon (CDC) nanoparticles, were embedded into a polyamide film to give CDC/polyamide mixed matrix membranes by the interfacial polymerization reaction of an aliphatic diamine, e.g., piperazine, and an activated aromatic dicarboxylate, e.g., isophthaloyl chloride, supported on a sulfone-containing polymer, e.g., polysulfone (PSF), layer, which is preferably previously prepared by dry/wet phase inversion. The inventive membranes can separate CO2 (or other gases) from mixtures of CO2 and further gases, esp. CH4, based upon the generally selective nanocomposite layer(s) of CDC/polyamide.

Abstract: A process for manufacturing a porous body, includes preparing a dispersion liquid having a dispersion medium with cellulose-based nanofibers that have an average fiber diameter from 1 to 100 nm and dispersed therein, attaching the dispersion liquid to a porous support having a plurality of pores that connect with one another, removing the dispersion liquid attached to a surface of the porous support excluding an inside of pores of the porous support, and subsequently drying the porous support including the dispersion liquid in the pores of the porous support to remove the dispersion medium.

Abstract: A multi-layer membrane which has a mixed polyamide selective layer supported on a porous polysulfone layer. The mixed polyamide selective layer includes reacted units of a polyfunctional acyl halide (e.g. trimesoyl chloride) and a diamine mixture containing 4,7,10-trioxa-1,13-tridecanediamine and a cyclic diamine (e.g. piperazine). Methods of fabricating the multi-layer membrane via techniques such as phase inversion and interfacial polymerization are described. The inventive membrane is evaluated on its water flux and salt rejection (e.g. sulfate and chloride salts) capabilities. A water desalination system containing the multi-layer membrane(s) is also provided.

Abstract: The present disclosure relates to a phenyl-modified polydimethylsiloxane (PDMS) separation membrane, a fabrication method thereof, and a use thereof in the separation of an aromatic compound, and belongs to the technical field of separation membrane materials. A phenyl-modified PDMS separation membrane comprising a substrate layer and a selective layer is provided.

Abstract: A system for making a brine solution is provided comprising: a single conveyor; and a hopper assembly configured to receive a salt and a solvent, the hopper assembly comprising a lower hopper having a shape in which sides of the lower hopper direct any solid contents of the lower hopper, under a force of gravity, towards an entry point of the single conveyor, the hopper assembly further comprising a solvent inlet arranged to spray the salt, wherein the solvent inlet is configured to create a brine solution from a spray of the solvent combined with the salt in the hopper assembly, and wherein the single conveyor is configured to remove debris from the hopper assembly at the entry point of the single conveyor. A novel sediment tank is also provided.

Abstract: A carbonation machine with integrated water treatment. The carbonation machine may include a carbonation system for carbonating water in a bottle attached to a carbonation head of the system, a detachable water reservoir, configured to be mounted on a base with an outlet port to allow outward flow of water from the reservoir, piping connecting the outlet port of the water reservoir to transfer water from the detachable reservoir and to pour the water into the bottle, a pump for pumping water out of the water reservoir and transfer the pumped water via the piping, a controller configured to control the pump, and one or more water treatment components fluidically connected to the piping to apply water treatment to water flowing through the piping.

Abstract: A mixing apparatus containing a drive unit having a drive and a shaft that is pivotable about a pivot axis and is operatively connected to the drive. A pivotable receptacle is arranged on the shaft, where the pivot axis is oriented essentially horizontally, and the pivotable receptacle has a base plate and at least one retainer spaced therefrom, and the pivotable receptacle is configured in such a way that holders for containers can be inserted between the base plate and the at least one retainer in the direction of the pivot axis.

Abstract: The system and method of the invention pertains to an axial flux stator is implemented to replace the drive-end magnets and the drive motor. The axial flux stator comprises a control circuit to control the voltage and current provided to the stator, to measure the torque and speed of rotation, and to measure the magnetic flux and magnetic flux density produced by the axial flux stator and impeller magnets, individually or in combination. The axial flux stator comprises a plurality of current carrying elements to produce magnetic flux in an axial direction and drive the impeller.

Abstract: The present invention provides methods, systems and kits for performing microwell analysis in sealed small volumes. The microwells of the invention are sealed through the pairing of microwell and bead geometry wherein the diameter of the beads is greater than the diameter of the bottom of the microwells. Loading the beads into the microwells seals samples within an analytical space between the bottom of a nested bead and the bottom of the subject microwell.

Abstract: An antibody-resin coupling apparatus quickly and efficiently activates resin beads and couples them to antibodies, while preventing breakdown and crosslinking of the beads, thereby improving downstream column purification processes, extending the usable life of the resin beads, and increasing molecule capture efficiency of the resultant resin-antibody complexes, to allow improved isolation and purification of factor VIII molecules or other drug compounds.

Abstract: A process and apparatus for dehydrating a wet natural gas feed stream using an inline passive dehydration tower containing a tray supporting a distribution bed of ceramic beads followed by a drying bed of calcium chloride prills that provides a dried outlet gas stream and a waste water outlet.

Abstract: The disclosure discloses an irreversible covalent organic framework for efficient and selective gold recovery and a preparation method thereof, and belongs to the technical field of precious metal recovery from an aqueous solution. In the disclosure, metal trifluoromethanesulfonate is used as a catalyst, and a solvothermal method is used to prepare a mother covalent organic framework, and then the corresponding structural unit is used to perform an exchange reaction to prepare an irreversible amide-linked covalent organic framework material. The disclosure solves the problem of preparation of high-stability irreversible covalent organic framework, the introduced amide bond gives the covalent organic framework the ability to quickly and selectively recover precious metal gold from an aqueous solution, and the covalent organic framework can be used repeatedly.

Abstract: Filters comprising a Chlorella ellipsoidea by-product (lipid-free biomass) for aquaculture wastewater treatments and methods for removing ammonia, phosphorous, and organic matter from aquaculture wastewater using such filters. The filters have multiple layers of a compressed Chlorella ellipsoidea lipid free biomass by-product of Chlorella ellipsoidea biodiesel production, wherein each of the multiple layers is separately changeable.

Abstract: The method for preparing a super absorbent polymer according to the present disclosure has a feature that it is possible to reduce the generation of a fine powder during production of the super absorbent polymer while maintaining excellent physical properties of the super absorbent polymer, including centrifuge retention capacity (CRC) and vortex removal time.

Abstract: Modified chemical structures of cardanol extracted from cashew nut shell oil, and the use of the same to prepare imidazolium ionic liquids (IILs). The IILs can be used to prepare different types of silica, magnetite and calcium carbonate nanoparticles (NPs) as multifunctional oilfield chemicals for use in various oil spill collection, de-emulsification, viscosity improvement, asphaltene dispersant, and enhanced oil recovery applications.

Abstract: The invention relates to a mounting member for wrapping and mounting a pollution control element in a casing of a pollution control device, the mounting member comprising: inorganic fiber material; and inorganic particles, wherein the inorganic particles are distributed throughout most of the mat and comprise an average diameter of 800 nm to 15000 nm (DV 50), preferably of 1000 nm to 15000 nm (DV 50) measured according to DIN ISO 13320.

Abstract: A Lu2O3@ZnO nanocomposite includes Lu2O3 and ZnO. The nanocomposite can have an average diameter ranging from about 20 nm to about 25 nm. The nanocomposite can be used as a photocatalyst for photodegradation of organic dyes. In an embodiment, the organic dyes include textile wastewater dyes. In an embodiment, the textile wastewater dyes include methylene blue (MB).

Abstract: The present invention relates to a carbon-based precious metal-transition metal composite catalyst and a preparation method therefor, and more particularly, to a catalyst synthesis method in which, when preparing a high-content precious metal-transition metal composite catalyst, a catalyst having uniform particles and composition can be prepared, and cyclohexane dimethanol (CHDM) is efficiently produced by the hydrogenation reaction of cyclohexane dicarboxylic acid (CHDA) in an aqueous solution.

Abstract: A catalyst for purification of exhaust gas in which Pd-based nanoparticles and ceria nanoparticles are supported on a composite metal oxide support containing alumina, ceria, and zirconia, wherein a molar ratio (Ce/Pd) of Ce and Pd supported on the support is 1 to 8, a proximity ? between Pd and Ce is 0.15 to 0.50, wherein the proximity ? is determined, based on Pd and Ce distribution maps in an element mapping image of energy dispersive X-ray analysis, by the following formula (1): ? = ? j = 0 N - 1 ? ? i = 0 M - 1 ? ( ( I ? ( i , j ) - I ave ) ? ( T ? ( i , j ) - T ave ) ) ? j = 0 N - 1 ? ? i = 0 M - 1 ? ( I ? ( i , j ) - I ave ) 2 - ? j = 0 N - 1 ? ? i = 0 M - 1 ? ( T ? ( i , j ) - T ave ) 2 , ( 1 ) a Pd dispersity after a heat-resistance test at 1050° C. for 25 hours is 0.8% or more.

Abstract: Functionalized catalysts for use in a hydrogen evolution reaction (HER) contain nanoparticles containing a transition metal enveloped in layers of graphene, which renders the nanoparticles resistant to passivation while maintaining an optimal ratio of transition metal and transition metal oxide in the nanoparticles. The catalysts can be utilized with anionic exchange polymer membranes for hydrogen production by alkaline water electrolysis.

Abstract: The present invention is concerned with a catalyst for the conversion of ethanol to 1,3-butadiene comprising a component A selected from the list consisting of zeolite, silicon dioxide, aluminium oxide, or any combination thereof; and a component Bcat comprising a mixed metal oxide, a catalyst precursor for the preparation of a catalyst for the conversion of ethanol to 1,3-butadiene comprising a component A selected from the list consisting of zeolite, silicon dioxide, aluminium oxide, or any combination thereof; and a component Bpre comprising a layered double hydroxide (LDH) as well as a process for the conversion of ethanol to 1,3-butadiene, in which said catalyst is used.

Abstract: A catalyst for direct decomposition removal of NOx from an exhaust gas stream to N2 and O2, the catalyst comprising a dual dispersed supported metal oxide material, which comprises MOx-CuOx dispersed on a CO3O4 spinel oxide support, wherein M is selected from the group consisting of Zn, Ce, Mg, Tb, and Gd. The dual dispersed supported metal oxide catalysts have good activity and selectivity for N2.

Abstract: This application discloses a silicon carbide (SiC)-loaded graphene photocatalyst for hydrogen production under visible light irradiation and a preparation method thereof. Pure SiC and pure black carbon are respectively prepared and mixed to obtain a mixture with a resistance less than 100?. Then the mixture was vacuumized and processed with a current pulse with an increasing voltage until a breakdown occurs, and subjected to ultrasonic stirring, centrifugal washing and vacuum drying in turn to obtain the SiC-loaded graphene photocatalyst. By means of the current pulse, a heterojunction is formed between SiC and graphene to improve the catalytic activity of the photocatalyst; and the photocatalytic hydrogen production rate of SiC nanoparticles can be enhanced after loaded on the graphene.

Abstract: The present disclosure provides a method for preparing an organophosphorus degrading enzyme based multifunctional catalyst and an organophosphorus degrading enzyme based multifunctional catalyst and use thereof. In the present disclosure, the preparation method includes: directly adding a composite yolk-shell-structured nanomaterial into a crude enzyme solution of organophosphorus degrading enzyme with an affinity tag, and mixing, to obtain a mixture, and then subjecting the mixture to a separation, to obtain an organophosphorus degrading enzyme based multifunctional catalyst.

Abstract: Supported chromium catalysts with an average valence less than +6 and having a hydrocarbon-containing or halogenated hydrocarbon-containing ligand attached to at least one bonding site on the chromium are disclosed, as well as ethylene-based polymers with terminal alkane, aromatic, or halogenated hydrocarbon chain ends. Another ethylene polymer characterized by at least 2 wt. % of the polymer having a molecular weight greater than 1,000,000 g/mol and at least 1.5 wt. % of the polymer having a molecular weight less than 1000 g/mol is provided, as well as an ethylene homopolymer with at least 3.5 methyl short chain branches and less than 0.6 butyl short chain branches per 1000 total carbon atoms.

Abstract: A polydentate organic ligand, a preparation method and an application method thereof, a metallo-supramolecular polymer and a preparation method thereof are provided. A structure of triphenylamine is combined with a structure of phenanthroline to serve as the polydentate organic ligand, which takes advantages of a large-volume distortion structure and excellent electroactivity of the triphenylamine. The polydentate organic ligands have good solubility, which provides lower-cost and diversified methods for preparing the metallo-supramolecular polymers. Meanwhile, the phenanthroline has a rigid structure and a conjugated large ? bond in its molecule, which facilitates chelating coordination with metal ions to form a stable compound. Therefore, the polydentate organic ligand enables the metallo-supramolecular polymer to have good transferability, stable electroactivity, and high conversion speed, i.e., fast response speed, excellent electrochromic cycling stability and long service lifetime.

Abstract: A method of forming TiO2—ZnO nanoparticles coated by a copper (II) complex includes forming a mononuclear copper complex by treating a ligand with Cu2+ ions; and immobilizing the mononuclear copper complex on TiO2—ZnO nanoparticles to obtain the TiO2—ZnO nanoparticle coated by the copper (II) complex. The TiO2—ZnO nanoparticles coated by a copper (II) complex thus produced have improved catalytic effectiveness and increased efficiency by reducing catalytic reaction time and temperature, particularly in methods of catalyzing oxidation of an alcohol or of catalyzing decarboxylative bromination of an acid.

Abstract: A method for producing a honeycomb structure includes: a forming step of extruding a forming raw material containing a ceramic raw material mainly based on silicon carbide and metal silicon to obtain a honeycomb formed body, the honeycomb formed body comprising: an outer peripheral wall; and partition walls; a drying step of drying the honeycomb formed body to obtain a honeycomb dried body; and a firing step of firing the honeycomb dried body to obtain a honeycomb fired body. The drying step includes: a first drying step of subjecting the honeycomb formed body to dielectric drying at a frequency of from 2 to 200 MHz so that a moisture scattering rate of the honeycomb formed body after dielectric drying is from 30 to 85%; and a second drying step of subjecting the honeycomb formed body having the moisture scattering rate of from 30 to 85% to hot air drying.

Abstract: An ultra-thin anion exchange membrane incorporates functional additives to provide improved water management. Without the functional additives the ultra-thin membrane may have high cross-over and not be effective for many applications. A composite anion exchange membrane includes a porous scaffold support such as a porous polymer. The anion exchange polymer may be coupled to the porous scaffold, such as by being imbibed into the pores of the porous scaffold. The functional additives may contribute to increase water production, water retention, back-diffusion and reduce the gas crossover. A functional additive may include a reactive species, including a catalyst that reacts with oxygen or hydrogen, a plasticizer, a hygroscopic material and/or a radical scavenger.

Abstract: An anion exchange membrane is composed of a copolymer of 1,1-diphenylethylene and one or more styrene monomers, such as 4-tert-butylstyrene. The copolymer includes a backbone substituted with a plurality of ionic groups coupled to phenyl groups on the backbone via hydrocarbyl tethers between about 1 and about 7 carbons in length. High-temperature conditions enabled by these copolymers enhance conductivity performance, making them particularly suitable for use in anion exchange membranes in fuel cells, electrolyzers employing hydrogen, ion separations, etc. The properties of the membranes can be tuned via the degree of functionalization of the phenyl groups and selection of the functional groups, such as quaternary ammonium groups. Several processes can be used to incorporate the desired ionic functional groups into the polymers, such as chloromethylation, radical bromination, Friedel-Crafts acylation and alkylation, sulfonation followed by amination, or combinations thereof.

Abstract: The invention relates to a reactor system for oxidative coupling of methane (OCM), comprising: reactor system for oxidative coupling of methane (OCM), comprising: (a) an inlet configured to receive a reactant mixture; (b) a reaction chamber having an upstream end and a downstream end such that the reaction chamber extends from the upstream end to the downstream end, and the reaction chamber comprises a catalyst bed having a catalyst composition having at least two catalyst components: (i) a low selectivity catalyst component; and (ii) a high selectivity catalyst component; and (c) an outlet configured to recover a C2+ hydrocarbon product mixture from the reactor system; wherein the reactor system is configured such that the reactant mixture substantially contacts the high selectivity catalyst component prior to contacting the low selectivity catalyst component. The invention further describes a process for the production of C2+ hydrocarbon product mixture using the present reactor system.

Abstract: Reactor systems, reactor coolant systems, and associated processes for polymerizing polyolefins are described. The reactor systems generally include a reactor pipe and a coolant system, in which the coolant system includes a jacket pipe surrounding at least a portion of the reactor pipe to form an annulus therebetween, at least one spacer coupling the jacket to the reactor pipe, and a coolant which flows through the annulus to remove heat from the reactor pipe. At least one of the external surface of the reactor pipe, the internal surface of the jacket, and at least one spacer, are independently modified, for example by polishing, coating, or reshaping, to reduce the fluid resistance of the coolant flow through the annulus.

Abstract: A fluid guiding module includes a housing having a sensor chamber having first and second chamber ends. The fluid guiding module includes a first connection region for connecting to a second fluid guiding module. The first connection is located on a first outer side of the housing and has a first redirection channel having first and second redirection channel ends. A chamber inlet channel fluidly couples the first redirection channel end to the first chamber end of the sensor chamber. The first redirection channel is adapted to be fluidly coupled to a chamber outlet channel of the second fluid guiding module.

Abstract: Present invention is related to a tumor microenvironment on chip or a biochip for cell therapy having a carrier, a first cell or tissue culture area and a second cell or tissue area imbedded within the carrier. The present invention provides a biochip successfully cooperating micro fluidic technology and cell culture achieving the goal for detecting or testing the function of cell therapy for cancer or tumor.

Abstract: The present disclosure relates to a microfluidic device capable of mimicking a biological microenvironment thereby achieving control of a microenvironment with time through control of the diffusion of target elements between chambers by interrupting or generating fluid flow inside a channel, and a method for manufacturing the same, and the microfluidic device according to an aspect of the present disclosure can mimic the biological microenvironment which changes constantly with time via a simple temporary operation of generating or interrupting fluid flow in the channel mechanically and can control diffusion via a simple method, and accordingly, a complicated microenvironment can be reproduced since the number and arrangement of diffusion chambers and channels can be designed variously.

Abstract: A microdevice for detecting aldehydes or ketones by utilizing a rotary platform, the microdevice comprising a disc-shaped rotary platform and a microfluidic structure disposed on the rotary platform, and the microfluidic structure comprising a sample storage part, an eluent storage part, a separation part, a first microfluid flow channel, a second microfluid flow channel, and an absorption pad.

Abstract: Disclosed is an apparatus for the sensor-based examination of biological cells, comprising at least one well, wherein the at least one well has (a) an opening; (b) a planar base; (c) at least one sensor for the examination of biological cells, wherein the at least one sensor is arranged on the base of the at least one well; and (d) a medium for cryopreservation, with the medium for cryopreservation comprising biological cells and contacting a surface of the at least one sensor, wherein the medium for cryopreservation, which comprises the biological cells, is present in a frozen state.

Abstract: Instruments, methods, and kits are disclosed for performing fast thermocycling.

Abstract: A slide handling system is disclosed. The system has a carrier comprising a retention hole, a compartment configured to accept the carrier, and a spacer disposed so as to engage the retention hole when the carrier is fully seated in the compartment.

Abstract: A production device for preparing a building material using a fine particle silt in iron tailings includes an operation desk and a grinding device. During movement of edge plates, gears are located inside a side groove and keep meshing with toothed grooves, the edge plates will drive various gears to rotate along a same direction and drive grinding balls and connecting shafts to rotate while moving, the grinding balls will perform grinding treatment on the fine particle silt at the inner end of the grinding cabinet while rotating.

Abstract: A three-dimensional grinder includes: a stationary grinding chamber having a generally cylindrical wall along a longitudinal axis XX and delimiting an inner space, the chamber receiving and mixing a starting compound, and generally at least two, in a liquid medium, forming an initial mixture, the stationary grinding chamber being partially filled with a grinding body, which stationary grinding chamber includes, at a first end, an inlet introducing the starting compound and the liquid medium and, at a second end, an outlet discharging an end product formed in the stationary grinding chamber; a stirrer in the stationary grinding chamber, including a rod extending along the longitudinal axis XX, the stirrer being capable of pivoting to move the grinding body/initial mixture mass, the stationary grinding chamber including, in the inner space, a heating device to heat an area of the stationary grinding chamber. The heating device is an introduction heating device.

Abstract: A food recycler includes a case, a control system within the case, and a set of user interface components that are usable to at least cause the control system to initiate a food recycling cycle. The food recycler also includes a motor within the case and a bucket that has a volumetric capacity between 2.51 and 10 liters. A filter system configured to accommodate air filters is also included in the case of the food recycler. To remove water from waste food items, the food recycler includes a drying component.

Abstract: The invention relates to a cross-shaped support (10) for a meat-mincing machine. The cross-shaped support (10) has a hub (11) with a central bore (15), an outer ring (13), and multiple webs (12) which extend between the hub (11) and the outer ring (13). A groove (14) is provided on the exterior of the outer ring (13) in order to support the cross-shaped support (10) in the meat-mincing machine in a rotationally fixed manner. The cross-shaped support (10) additionally functions as a tool, for example the cross-shaped support has projections (16) which allow a simplification of the assembly or disassembly of the knife pin from the meat-mincing machine (FIG. 1).

Abstract: A plant for shredding metal waste, comprising at least one working chamber, means for shredding metal waste and motor means operatively connected to the shredding means. The plant further comprising sensor means operatively associated with the motor means and/or shredding means for monitoring at predetermined time intervals at least one working parameter connected to the wear thereof, and at least one data processing unit operatively connected to the sensor means. The data processing unit including: data storage means for storing for a predetermined period of time the values of said at least one working parameter detected by said sensor means and an an artificial intelligence software program so as to allow the plant manager to plan the maintenance of the motor means and/or shredding means.

Abstract: A hydraulic mantle system for a gyratory rock crusher enables the safe, quick and efficient replacement of a worn or deformed mantle. The system includes a main shaft, an annular nut, an annular hydraulic piston and an annular mantle. The main shaft has a flange and external threads adjacent the flange. The annular nut body has side surfaces and internal threads that are threaded onto the external threads of the main shaft. The annular hydraulic piston has side surfaces that slidingly engage the side surfaces of the annular nut body. The annular mantle has an upper neck portion and a lower edge portion. The main shaft extends through the upper neck portion. The upper neck portion of the annular mantle is compressed between the flange of the main shaft and the annular hydraulic piston.