Abstract: This invention relates to a particle extractor assembly 10, 100 which is used to extract and collect dust and/or other airborne pollutants from a workface. The assembly 100 is mobile as is mounted to a base 12 which includes a first platform 12.1 and a second pivotal platform 12.2 which is articulated to the first platform 12.1 and is configured to be pivotally displaced relative to the first platform between a lowered position and a discharge position in which it is inclined with respect to the first platform 12.1. The assembly also includes a vacuum pump 150 powered by an electrical motor 160, a particle filter 200 to filter out particles upstream of the vacuum pump and a drum arrangement which includes a collector drum 170 configured to rotate about an axis to mix its contents to form a slurry and it discharge the contents when in the discharge position.

Abstract: A diluted solution production method of the present invention is a diluted solution production method of producing a diluted solution of a second liquid by adding the second liquid a first liquid, the method including feeding the first liquid to a first pipe; and controlling pressure in a tank that stores the second liquid to add, through the second pipe that connects the tank to the first pipe, the second liquid to the first liquid in the first pipe. Adding the second liquid includes measuring a flow rate of the first liquid or the diluted solution that flows through the first pipe; measuring a component concentration of the diluted solution; and controlling the pressure in the tank, based on the measured values of the flow rate and the component concentration, so as to adjust the component concentration of the diluted solution to a specified value.

Abstract: Disclosed are a pH-responsive amphoteric surfactant N-lauryl-(?-alkyl)-?-aminopropionic acid and a preparation method and uses thereof. An alkylamine and a solvent are added to a three-necked flask, stirred for complete dissolution, slowly dropwise added with methyl ?-alkyl-acrylate and reacted at room temperature after the ice-water bath is removed. The reaction mixture is refluxed in water bath and evaporated under rotation to remove the solvent and the residual methyl ?-alkyl-acrylateto give N-lauryl-(?-alkyl)-?-aminopropionic acid. Then N-lauryl-(?-alkyl)-?-aminopropionic acid and water are added to a three-necked flask, slowly dropwise added with a sodium hydroxide solution and reacted in water bath to give a crude product, which is filtered and dried to give a purified surfactant sodium N-lauryl-(?-alkyl)-?-aminopropionate. This surfactant is suitable for the foamed acid system and its performance can be switched by adjusting pH due to pH sensitivity.

Abstract: The present disclosure relates to catalytic static mixers comprising catalytic material. The static mixers can be configured for use with continuous flow chemical reactors, for example tubular continuous flow chemical reactors for heterogeneous catalysis reactions. This disclosure also relates to processes for preparing static mixers. This disclosure also relates to continuous flow chemical reactors comprising the static mixers, systems comprising the continuous flow chemical reactors, processes for synthesising products using the continuous flow reactors, and methods for screening catalytic materials using the static mixers.

Abstract: An autoxidation process for producing hydrogen peroxide may be performed using a plant that includes at least two skid mounted modules selected from: a skid mounted module comprising at least one hydrogenator to hydrogenate an anthraquinone in a working solution; a skid mounted module comprising at least one oxidizer to oxidize the hydrogenated anthraquinone with oxygen to form hydrogen peroxide; optionally a skid mounted module configured to compress air to feed oxygen into the at least one oxidizer of the oxidizer skid, and when said air compressor skid is present, a further skid mounted module configured to recover solvent; a skid mounted module configured to extract the hydrogen peroxide from the working solution; and a skid mounted module comprising at least one means to deliver a hydrogen peroxide solution to a point of use and/or optionally to a storage tank.

Abstract: A method for preparing solid microcapsules by adding, with stirring, a composition C1, having at least one active ingredient, in a photocrosslinkable polymeric composition C2, to obtain an emulsion (E1), adding, with stirring of the emulsion (E1) in a composition C3, the viscosity of the composition C3 being greater than 2000 mPa·s at 25° C., to obtain a double emulsion (E2), applying shear to the emulsion (E2), the applied shear rate being less than 1000 s?1, to obtain a double emulsion (E3), and polymerizing by photopolymerization of the composition C2.

Abstract: A data storage medium is disclosed comprising a substrate covered with alternating layers of a polycationic molecule and artificially synthesized DNA molecules encoding digital information. The magnetic substrate may be a metallic nanoparticle formed from a metal such as iron or cobalt. The polycationic molecule may be polyethyleneimine (PEI). The DNA is protected from degradation by encapsulation in silica. A process for stably storing DNA is also disclosed. Stored DNA may be freed from the silica for sequencing or other analysis by washing the silica-coated DNA with a buffered hydrogen fluoride solution. Storage densities of more than 7% DNA by weight are achieved on nanoparticles.

Abstract: This disclosure relates to a method and an apparatus for the delivery of a multi-component olefin polymerization catalyst to a polymerization reactor.

Abstract: A disk reactor for production of polycarbonate includes a cylinder provided with an end cover at each end. The cylinder is provided with a material inlet, a product outlet and a gas phase port thereon. The cylinder is provided with a driving shaft therein. The driving shaft is provided with plural disks at different spaces thereon. Each disk has slope different from each other. Each disk is provided with plural transverse blades and plural transverse scrapers thereon. A scraper blade is arranged between two disks and fixed on the driving shaft. Compared with the prior disk reactors, the disk reactor fully considers the change of melt viscosity in the polymerization process, simultaneously increases the mass transfer area of the reactor, has good film forming and surface renew performance and high light component removal efficiency, and can produce polycarbonate with high molecular weight and uniform quality.

Abstract: A device for synthesising core-shell nanoparticles by laser pyrolysis is provided. The device includes a reactor having a first chamber for the synthesis of the core, provided with an inlet for a core precursor, a second chamber for the synthesis of the shell, provided with an inlet for a shell precursor, and at least one communication channel between the two chambers to transmit the cores of the nanoparticles intended to be formed from the first chamber towards the second chamber. The device also includes an optical device to illuminate each of the two chambers, the device comprising at least one laser capable of emitting a laser beam intended to interact with the precursors to form the core and the shell.

Abstract: A stirring device, in particular reactor stirring device, has at least one holder which is configured for holding at least one brittle unit within a container relative to at least one container wall of the container, and which has at least one holding unit for this purpose. At least one holding position of the holder relative to the container wall can be adapted by means of the holding unit.

Abstract: The invention relates to a method for producing a pellet, in particular for a catalytic convertor and/or static mixer. The method comprises a trimming and/or deforming of at least one layer of metal foam material into a pellet shape.

Abstract: An adsorbent for removing CO2 from a gas mixture, the adsorbent comprising alumina and a carbonate compound where the carbonate to alumina IR absorbance intensity ratio is reduced by washing the adsorbent with water. The disclosure also describes a method of making adsorbent particles, process for removing CO2 from a gas mixture using the adsorbent, and an adsorption unit using the adsorbent.

Abstract: A method for preparing an organic/inorganic hybrid composition including mineral nanoparticles functionalized by at least one molecule chosen from colored charged organic molecules, this method including providing a solution (a) of at least one colored charged organic molecule, providing a suspension (b) of non-swelling phyllosilicate nanoparticles, contacting the solution (a) and the suspension (b), the non-swelling phyllosilicate nanoparticles having a thickness of 1 nm to 100 nm, and a larger dimension of 10 nm to 10 ?m. A composition of organic/inorganic hybrid colored nanoparticles obtained by this method is also disclosed.

Abstract: Disclosed is a method for preparing a hybrid organic/inorganic composition including inorganic nanoparticles functionalized by at least one molecule chosen from photoluminescent charged organic molecules, the method including bringing into contact, in a single-phase solvent medium, at least one photoluminescent charged organic molecule and non-swelling phyllosilicate nanoparticles having a thickness of 1 nm to 100 nm, and a larger dimension of 10 nm to 10 ?m. Also disclosed are hybrid photoluminescent nanoparticles compositions obtained by this method.

Abstract: Provided is a zeolitic adsorbent material. The material is based on LSX zeolite crystals the particle size distribution of which is characterized by a peak width (2?) in a range from 6.0 to 20.0, limits included, for a number average diameter (d50) in a range from 0.5 ?m to 20.0 ?m. The material has an Si/Al atomic ratio comprised in a range from 1.00 to 1.15, limits included. The lithium content of the material, expressed by weight of Li2O, is in a range from 9% to 12% by weight relative to the total weight of the material. The material has a non-zeolitic phase (NZP) content such that 0<NZP?8% by weight relative to the total weight of the material.

Abstract: The present invention concerns porous carbonaceous particles having pores including micropores and macropores, having a mean diameter, determined by laser diffraction, ranging from 15 to 100 ?m and porous carbonaceous monoliths comprising aggregates of said carbonaceous particles.

Abstract: Disclosed is a honeycomb filter for collecting fine particles that includes a wall portion formed from a base material containing ceria-zirconia composite oxide and an inorganic binder. In a pore diameter distribution in which a pore diameter and a log differential pore volume measured through mercury porosimetry are respectively represented by a horizontal axis and a vertical axis, the wall portion has a peak in a range in which the pore diameter is greater than or equal to 0.01 ?m and less than 1 ?m and a peak in a range in which the pore diameter is greater than or equal to 1 ?m and less than or equal to 50 ?m.

Abstract: The invention relates to an oxygen carrier solid, its preparation and its use in a method of combustion of a hydrocarbon feedstock by active mass chemical-looping oxidation-reduction, i.e. chemical-looping combustion (CLC). The solid, which is in the form of particles, comprises an oxidation-reduction active mass composed of metal oxide(s) dispersed in a ceramic matrix comprising at least one oxide with a melting point higher than 1500° C., such as alumina, and has, initially, a specific macroporous texture. The oxygen carrier solid is prepared from an aqueous suspension containing precursor oxide grains for the ceramic matrix that have a specific size, by a spray-drying technique.

Abstract: A hydroprocessing catalyst or catalyst precursor has been developed. The catalyst is a transition metal tungstate material or metal sulfides derived therefrom. The hydroprocessing using the crystalline ammonia transition metal tungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.

Abstract: A hydroprocessing catalyst or catalyst precursor has been developed. The catalyst is a crystalline transition metal tungstate material or metal sulfides derived therefrom. The hydroprocessing using the crystalline ammonia transition metal tungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.

Abstract: A hydroprocessing catalyst has been developed. The catalyst is a crystalline transition metal molybdotungstate material. The hydroprocessing using the crystalline ammonia transition metal molybdotungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.

Abstract: A hydroprocessing catalyst or catalyst precursor has been developed. The catalyst is a transition metal molybdotungstate material or metal sulfides derived therefrom. The hydroprocessing using the transition metal molybdotungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.

Abstract: A hydroprocessing catalyst or catalyst precursor has been developed. The catalyst is a crystalline transition metal tungstate material or metal sulfides derived therefrom. The hydroprocessing using the crystalline ammonia transition metal tungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.

Abstract: A hydrocarbon conversion catalyst composition which comprises dealuminated ZSM-48 and/or EU-2 zeolite and a refractory oxide binder essentially free of alumina, processes for preparing such composition and processes for converting hydrocarbon feedstock with the help of such compositions.

Abstract: Disclosed are supported platinum-tin (Pt—Sn) based catalysts and methods of their use in selective light alkane dehydrogenation to corresponding alkenes and preparation. The supported catalysts contain a support of blended zeolite, in particular SAPO-34, zinc aluminate compound, and calcium aluminate, impregnated with Pt and Sn metal and a promoter that includes an alkali metal or compound thereof, an alkaline earth metal or compound thereof, or any combination thereof.

Abstract: The present disclosure provides a method and a catalyst for selective oligomerization of ethylene. The raw material for the catalyst consists of a dehydropyridine annulene-type ligand, a transition metal compound, and an organometallic compound in a molar ratio of 1:0.5-100:0.1-5000. The present disclosure also provides a method for selective oligomerization of ethylene accomplished by using the above-mentioned catalyst. The catalyst for selective oligomerization of ethylene has high catalytic activity, high selectivity for the target products 1-hexene and 1-octene, and low selectivity for 1-butene and 1-C10+.

Abstract: Disclosed herein is a multi-layered composite thin film material formed from graphene quantum dots (GQDs) and metal nanocrystals in a layer-by-layer design, wherein the metal nanocrystals can be selected from the group consisting of Ru, Rh, Os, Ir, Pd, Au, Ag and Pt. In a preferred embodiment, the multi-layered composite thin film material is prepared via a facile, green, and easily accessible layer-by-layer (LbL) self-assembly strategy. In this strategy, positively charged GOQDs and negatively charged metal nanocrystals are alternately and uniformly integrated with each other in a “face-to-face” stacked fashion under substantial electrostatic attractive interaction, and then the obtained GOQDs/metal composite thin film is calcined into GQDs/metal composite thin film. The composite thin film material disclosed herein may be used to catalyse a wide range or reactions, including selective reduction of aromatic nitro compounds in water and electrocatalytic oxidation of methanol at ambient conditions.

Abstract: Disclosed is an olefin production method including: pretreating a catalyst by providing reduction gas to an alumina type catalyst to produce olefin from the hydrocarbon including not less than 90 wt % of LPG (Stage 1); producing the olefin by providing the catalyst pretreated at Stage 1 into Riser of Fast Fluidization Regime to dehydrogenate the hydrocarbon (Stage 2); separating the mixture of the produced propylene and the catalyst used at Stage 2, and regenerating the separated catalyst (Stage 3); and recycling the catalyst regenerated at Stage 3 to the process of Stage 1 (Stage 4).

Abstract: A pipette device is provided and prevents the corrosion of main metal parts without causing a significant rise in costs. A pipette device includes a piston portion that is movable in order to suck a liquid and an air hole for discharging an air generated from the liquid sucked by the piston portion to an outside. The air is discharged from the air hole in response to movement of the piston portion.

Abstract: A fluidic module for switching liquid from a liquid retaining area into which liquid can be introduced into downstream fluidic structures includes at least two fluid paths fluidically connecting the liquid retaining area to the downstream fluidic structures. One of the two fluid paths includes a siphon channel. The downstream fluidic structures are not vented or only vented via a vent delay resistor, such that when the liquid is introduced into the liquid retaining area, an enclosed gas volume results in the downstream fluidic structures. By adjusting the ratio of a centrifugal pressure effected by a rotation of the fluidic module and a pneumatic pressure prevailing in the gas volume, the liquid can be retained in the liquid retaining area or can be transferred into the downstream fluidic structures via the siphon channel wherein venting takes place via the other one of the fluid paths.

Abstract: A microfluidic sample chip to test biological samples, especially for a PCR-type and/or fluorescence assay. The chip being in the shape of a hollow block having at least one chamber delimited by an upper wall, a lower wall and at least one side wall, into which a sample can be introduced for testing. The lower wall of the block is made of a material with a high thermal conductivity and the upper wall is made of a material with a low thermal conductivity. Preferably, the upper wall is preferably permeable to radiation in the visible spectrum between 400 and 700 nm. The block having at least two openings through which the sample can be introduced into at least one of the chambers and through which the air present in the chamber can be evacuated when the sample is introduced.

Abstract: Disclosed is a chip.

Abstract: Analysis systems and methods for testing a biological sample is provided, wherein the inclination is monitored and/or a light strip is provided as a display apparatus that signals an operating state or a requirement.

Abstract: Microfluidic devices in which electrokinetic mechanisms move droplets of a liquid or particles in a liquid are described. The devices include at least one electrode that is optically transparent and/or flexible.

Abstract: A technique relates to a machine for sorting. A removable cartridge includes a nanofluidic module. The removable cartridge includes an input port and at least two output ports. The nanofluidic module is configured to sort a sample fluid. A holder is configured to receive the removable cartridge. A pressurization system is configured to couple to the input port of the removable cartridge. The pressurization system is configured to drive the sample fluid into the nanofluidic module for separation to the at least two output ports.

Abstract: Disclosed herein are microinjection chips, devices, and systems for injection of unicellular or multicellular organisms. The microinjection chip and device disclosed herein include the microfluidic features, inlet port, pre-injection reservoir, injection channel and post injection channel in fluid communication with each other. The inlet port is adapted to sequentially move individual organisms into the injection channel, which is adapted to immobilize the individual organism in fluid. The injection channel features a side wall adapted to receive a microinjection pipette without a microinjection port and to reseal when the microinjection pipette is removed.

Abstract: A microchannel (1) having a spiral geometry structured with asymmetrical curls (2) that enables separation of metastasis cancer cells rarely found in blood from the blood cells and enrichment thereof, which forces the particles or the cells to focus quicker and where high-quality particle focusing in a wider flow rate range can be performed.

Abstract: A method of performing a digital quantification of a species in an electrowetting on dielectric (EWOD) device comprising the steps of: inputting a sample volume into the EWOD device; inputting a diluent volume into the EWOD device; performing an electrowetting operation to generate a first sample droplet from the sample volume; performing an amplification process on the first sample droplet within the EWOD device; measuring a turn-on value for the sample droplet; comparing the measured turn-on value of the sample droplet to a target turn-on value for digital quantification; calculating a dilution factor based on the comparison of the measured turn-on value of the sample droplet to the target turn-on value; performing an electrowetting operation to extract a second sample droplet from the sample volume; performing an electrowetting operation to dilute the second sample droplet with the diluent volume in accordance with the dilution factor to form a diluted second sample droplet; and performing a digital quanti

Abstract: A control method and related apparatus are disclosed for controlling actuation voltages applied to array elements of an element array on an electrowetting on dielectric (EWOD) device, wherein test metrics are determined and employed for optimizing subsequent droplet manipulation operations. The control method includes the steps of: receiving a liquid droplet onto the element array; applying an electrowetting actuation pattern of actuation voltages to actuate the droplet to modify a footprint of the droplet from a first state having an initial footprint to a second state having a modified footprint; sensing the modified footprint with a sensor; determining a test metric from sensing the modified footprint indicative of one or more droplet properties based on a droplet response of the liquid droplet to the electrowetting actuation pattern; and controlling actuation voltages applied to the array elements based on the test metric.

Abstract: The mononuclear cell separation apparatus of the present invention has an injecting means (210) for injecting a centrifugation medium from the bottom surface of a container (100) storing a blood sample; a centrifugation means (300) for centrifuging a container (100) containing a centrifugation medium and a blood sample layered in this order from the bottom surface side; a detecting means (400) for detecting a clot present at a mononuclear cell layer after centrifugation; a removing means (220) for removing a detected clot; and a harvesting means (230) for harvesting the mononuclear cell. The mononuclear cell separation method of the present invention includes an injecting step, a centrifuging step, a detection step, a removing step, and a harvesting step corresponding to each constituent element of the mononuclear cell separation apparatus of the present invention.

Abstract: A carrier plate, which is used within an electrophoresis process, and to a holding device tailored to the carrier plate, the carrier plate having a region with a magnetic property and a positioning device. The magnetic property is designed to fix the carrier plate in the laboratory device. The positioning device is designed to guarantee a position of the carrier plate in the laboratory device.

Abstract: A laboratory instrument comprising a single base plate is presented. The single base plate comprises at least one embedded consumable compartment, an embedded sample processing compartment, an embedded waste compartment, an embedded activation device compartment, an embedded rack receiving compartment, or a combination thereof. A laboratory system and a method adjusting the positioning of at least one pipetting device or handling device of a laboratory instrument or laboratory system are also disclosed.

Abstract: A refining disc (6) in a defibrator (1) for refining fibrous material is provided with non-central openings (11) for allowing steam developed in the refining space (2) during refining to flow from the front side to the backside of the refining disc (6), where the front side is facing a second refining disc (5) and the backside is facing away from the second refining disc (5). The refining disc (6) also comprises a central hole (12) for allowing steam (8b) to flow from the backside to the front side at the rotational center of the refining disc (6), and escape from the defibrator (1) backwards through the feed screw (3a) without passing through the fibrous material (7) being refined in the refining space (2).

Abstract: A discharge end wall system including a discharge wall assembly in which a number of pulp chambers are defined, and one or more plug elements at least partially occupying one or more of the pulp chambers.

Abstract: A portable shredder unit includes a lightweight housing with an interior cavity divided into a battery storage cavity and a collection cavity, said housing includes a top opening, two opposite ends, two opposite side walls, and a floor; a removable lid attached to said top opening on said housing; a high capacity electric shredder component configured to shred paper, said shredder component includes at least one feeding slot opening, an electric shredding mechanism, and electric motor and an exit discharge opening said shredder component being oriented on said lid so that, said feeding slot opening is exposed when the lid is placed over the top opening of said housing and said exit discharge opening is oriented above and over said collection cavity in said housing so that shredded material exiting the exit discharge opening is deposited into said collection cavity; at least one pair of wheels attached to said housing near one said end; a handle attached to said housing; a GFCI receptacle having a ground wire;

Abstract: An apparatus, method and system for wet or dry processing of plant material is provided. The apparatus has an enclosure attached to a frame. The apparatus includes: (a) a cylindrical rotatable drum for receiving the plant material, the rotatable drum having a plurality of slots; (b) a cutting module for cutting portions of the plant material that pass through one or more said slots; and (c) a plurality of nozzles for ejecting a liquid within the enclosure. The apparatus may further include a controller having a processing unit and a memory, the memory containing instructions for directing the processing unit. The controller may be operable to selectably control operations of the rotatable drum, the cutting module, and the plurality of nozzles. The cutting module may include a plurality of cutting reels. The cutting module and the rotatable drum may be coaxial. The cutting module may include a plurality of blades rotatable about the drum.

Abstract: A gas purifying apparatus, including: at least one cylindrical ground electrode configured to receive gas flowing therethrough; a discharge electrode disposed centrally within each of the at least one cylindrical ground electrode; and a power supply electrically connected to the discharge electrode and the at least one cylindrical ground electrode so as to produce an electric field and a corona discharge from the discharge electrode to a corresponding cylindrical ground electrode to generate ions and free electrons into the gas to ionise substances in the gas for gas purification, wherein the discharge electrode and the corresponding cylindrical ground electrode form at least one plasma chamber when power from the power supply is applied, and wherein the discharge electrode includes: at least one annular plate having an outer edge extending towards the corresponding cylindrical ground electrode.

Abstract: A filter media of purifying air by collecting floating particles in the air can achieve high dust collecting efficiency, low pressure loss, and a long life cycle. In an air cleaner, a filter media included in an air cleaning filter and cleaning air is constituted with a resin fiber of a mean fiber diameter of 3.6 ?m to 16.5 ?m, and a ratio of weight per unit area to the mean fiber diameter of the filter media is from 10×106 g/m3 to 20×106 g/m3.

Abstract: A flotation arrangement for treating mineral ore particles suspended in slurry includes a primary flotation line with a rougher part including at least two rougher primary flotation cells and a scavenger part including at least two scavenger primary flotation cells, and a secondary flotation line including at least two secondary flotation cells. A first secondary flotation cell is arranged to receive primary overflow from the at least one rougher primary flotation cell, and a further secondary flotation cell to receive primary overflow from the at least one further rougher primary flotation cell. The further secondary flotation cell is arranged in fluid communication with a previous secondary flotation cell, and underflow from the first secondary flotation cell is arranged to flow into the further secondary flotation cell, or arranged to be combined with secondary underflow of the further secondary flotation cell.