Abstract: An improved system for separating gas from a process stream by providing a stripping unit at the overhead stream of a fractionation column to selectively and effectively remove the gas using a stripping fluid without providing a dedicated light-ends separations unit. The stripper unit may be connected to the reflux drum at the overhead stream. The system for separating gas further achieves greater thermodynamic efficiency by means of a split column design using mechanical vapor recompression with the reboiler and condenser integrated in a falling-film evaporator- or thermosiphon-type vapo-condenser.

Abstract: An ionic liquid and a forward osmosis process employing the same are provided. The ionic liquid has a structure represented by Formula (I) ABn ??Formula (I) , wherein A is n is 1 or 2; m is 0, or an integer from 1 to 7; R1 and R2 are independently methyl or ethyl; k is an integer from 3 to 8; B is i is independently 1, 2, or 3; and j is 5, 6, or 7. The forward osmosis process employing the ionic liquid is used to desalinate a brine via a forward osmosis (FO) model.

Abstract: An extracted material for forward osmosis is provided. The extracted material includes a first ionic compound, a second ionic compound and a third ionic compound, which are represented by formula {K[A+(R1)(R2)(R3)]p}(X?)c(Y?)d. X? is the same as Y? in the first ionic compound. X? is the same as Y? in the second ionic compound. X? in the first ionic compound is different from X? in the second ionic compound. X? differs from Y? in the third ionic compound. X? in the third ionic compound is the same as X? in the first ionic compound or X? in the second ionic compound. Y? in the third ionic compound is the same as Y? in the first ionic compound or Y? in the second ionic compound. A method for preparing an extracted material and a forward-osmosis water desalination system using the same are also provided.

Abstract: The invention relates to a method for potting hollow fiber membranes in potting compounds of increased temperature resistance, wherein an isocyanate component with inorganic particles and a polyol component are processed into a potting compound and the hollow fiber membranes are tightly encased by the potting compound in at least one potting zone by the hardening of said potting compound.

Abstract: Tangential flow filtration systems utilizing flexible bags for permeate collection are provided.

Abstract: Disclosed is a high-penetration two-component polyurethane adhesive for separation apparatus, such as thin film composite reverse osmosis filtration membranes. The polyisocyanate reactive side of the two-component adhesive comprises hydrogenated castor oil or derivative thereof to increase the viscosity and provide a thixotropic property. Surprisingly, these high-viscosity polyisocyanate reactive components provide a two-component polyurethane adhesive exhibiting excellent penetration of the membranes used in such separation apparatus. Also disclosed is a method of using these two component polyurethane adhesives to bond these membranes to one or more other components of a separation apparatus.

Abstract: A method for cleaning membrane is provided. The method includes, providing a membrane, introducing a thermo-sensitive ionic liquid to contact the membrane and perform a cleaning procedure to collect a cleaning solution, and layering the cleaning solution to form an aqueous layer and an ionic liquid layer at a specific temperature.

Abstract: A method for healing a damaged separation membrane for water treatment uses silica microparticles surface-functionalized with polyethyleneimine. The method can be applied to actual water treatment processes because the particle size and chemical stability of the silica microparticles surface-functionalized with polyethyleneimine are maintained under various operation conditions are used. A separation membrane for water treatment healed exhibits superior healing performance, with water permeability and rejection rate being healed to 90% or higher as compared to the pristine separation membrane, and maintains physical and chemical stability for a long time. Moreover, the method is advantageous in that flux does not declines after the healing because the silica microparticles surface-functionalized with polyethyleneimine are selectively deposited on the damaged part. In addition, it is advantageous in terms of economy in that silica microparticles commercially available at low cost are used.

Abstract: The present invention relates to a method of producing a polymeric membrane having a homogeneous porosity throughout the entire polymeric phase. The method comprises the steps of dissolving at least one amphiphillic block copolymer in a solvent to form a casting solution of the block copolymer, and contacting the extruded solution with non-solvent to induce phase separation and thereby producing an integral asymmetric polymeric membrane, wherein the amphiphillic block copolymer is an amphiphillic diblock copolymer, containing blocks of a polar copolymer and blocks of a benzocyclobutene copolymer, and wherein the integral asymmetric polymeric membrane is crosslinked by application of heat or radiation thereby producing a membrane having a homogeneous porosity throughout the entire polymeric phase.

Abstract: The invention concerns polymer microfiltration or ultrafiltration porous membranes, intended for the treatment of effluents. More specifically, the invention concerns filtration membranes having at least one surface coated with a fluoropolymer-based latex.

Abstract: Provided is a filter membrane modifying method based on metallic oxide particles, relating to the field of membrane method water treatment. The method aims to resolve the problems existing in a common organic membrane or inorganic membrane that an intercepted substance is easily adsorbed on the surface of the membrane and in membrane holes during use so that the membrane holes are clogged, a membrane body is polluted, flux attenuation is quick, the service life of the membrane is shortened, and the backwashing efficiency is low. The method comprises: preparing a solution containing metallic oxide particles, then filtering, by using a filter membrane, the solution containing metallic oxide particles, and forming a metallic oxide particle cover layer on the surface of the filter membrane, i.e., completing the filter membrane modifying method based on metallic oxide particles.

Abstract: A forward osmosis membrane having a high chemical resistance includes a backing layer, a selective layer, and a hydrophilic support layer sandwiched between the backing layer and the selective layer. The hydrophilic support layer includes a plurality of nanostructures, each of which includes a carbon nanotube and a hydrophilic film coated around the carbon nanotube, and has an outer layer defined by the hydrophilic films of the nanostructures to prevent the selective layer from penetrating into the hydrophilic support layer.

Abstract: A porous membrane containing a hydrophobic polymer and a water-insoluble hydrophilic polymer, the porous membrane having a dense layer in the downstream portion of filtration in the membrane, having a gradient asymmetric structure in which the average pore diameter of fine pores increases from the downstream portion of filtration toward the upstream portion of filtration, and having a gradient index of the average pore diameter from the dense layer to the coarse layer of 0.5 to 12.0.

Abstract: The present disclosure relates to a microporous hollow fiber filter membrane having a large inner diameter and a thin wall. The fiber can be used for sterile filtration of liquids or removal of particles from liquids. The disclosure further relates to a method for producing the membrane and a filter device comprising the membrane.

Abstract: This invention discloses a hollow fiber membrane and its preparation method and application, belonging to the field of membrane separation. The preparation method adopts a spinning device with a triple-orifice spinneret, including the casting solution, bore fluid and outer solution. The bore fluid, casting solution and outer solution are respectively co-extruded from the inner, middle and outer orifice of the spinneret, respectively, to form the nascent membrane. The nascent membrane is immersed in external coagulation bath to form a hollow fiber membrane. The outer solution and bore fluid are weakly-polar non-solvents of membrane-forming material and are water soluble. Based on the characteristics of the bore fluid and the outer solution, on the one hand, the mass exchange rate between solvents and non-solvents can be slowed down, the formation of dense skin is effectively avoided, and the surface porosity of the membrane is improved.

Abstract: A porous cylindrical support for use in supporting a zeolite membrane has a generally cylindrical inside surface having a central axis extending in the longitudinal direction and a generally cylindrical outside surface that surrounds the inside surface. A zeolite membrane is formed on the outside surface. A maximum value A and a minimum value B of a support thickness in a circumferential direction satisfy (A?B)/(A+B)?0.3 in at least part of the support in the longitudinal direction, the support thickness being a radial distance between the inside surface and the outside surface. By reducing a variation in support thickness, it is possible to improve uniformity in the thickness of the zeolite membrane formed on the support.

Abstract: The present invention relates to a composite semipermeable membrane including: a porous layer; a membrane separation layer provided on the porous layer; and the porous layer contains a crystalline polymer, wherein a crystallinity of the crystalline polymer is 30% or more and 50% or less.

Abstract: The present invention relates to a composite semipermeable membrane including: a porous layer; a membrane separation layer provided on the porous layer; and the porous layer contains a polymer, the polymer containing one of either a fluoropolymer or an imide group-containing polymer, wherein a compression ratio of a portion including the porous layer and the membrane separation layer when subjected to a pressure of 5.5 MPa is 60% or less.

Abstract: Provided is a method of producing a composite membrane in the form of laminated membranes in which a plurality of isoporous membranes are laminated, wherein the plurality of membranes laminated have through-holes having different sizes from each other and each membrane have the through-holes having the same size.

Abstract: A method for making a graphene membrane includes applying a suspension of graphene platelets in a fluid onto a porous substrate, and applying a pressure differential to force the fluid through the substrate to yield a filtered fluid while retaining the graphene platelets on the substrate. The graphene platelets and the substrate form the graphene membrane.

Abstract: A separation membrane module includes a separation membrane including a hydrophobic polymer, a hydrophilic polymer, and polymer A, wherein the polymer A includes a hydrophilic unit and a hydrophobic unit, and is a copolymer having an alkyl group having 2 to 20 carbon atoms at a side-chain terminal of the hydrophobic unit, the separation membrane module having a retention rate of an albumin sieving coefficient of 86% or more at 60 minutes after circulation start relative to an albumin sieving coefficient at 10 minutes after circulation start when 2 L of bovine blood containing 50 U/ml of heparin, and having a hematocrit of 30% by volume and a total protein concentration of 6 to 7 g/dl is circulated at a flow rate of 100 ml/min at 37° C. and a filtration flow rate of 10 ml/(min·m2).

Abstract: A buffer management system includes at least one workstation configured to support a supply of concentrated buffer solution and an inline dilution skid having a manifold. The manifold is in fluid communication with the supply of concentrated buffer solution and is adapted to be placed in fluid communication with a source of water for injection (WFI). The manifold includes a buffer inlet line in selective fluid communication with the supply of concentrated buffer solution, a WFI inlet line in selective fluid communication with the source of WFI, and a discharge line in fluid communication with both the buffer inlet line and the WFI inlet line. The inline dilution skid is configured to variably mix the supply of concentrated buffer solution and the source of WFI to obtain a range of diluted buffer solutions.

Abstract: Methods and systems of admixing hydrocarbon liquids from two or more sets of tanks into a single pipeline to provide in-line mixing thereof. In an embodiment of the in-line mixing system, hydrocarbon liquids stored in at least one tank of each of two or more sets of tanks positioned at a tank farm are blended into a blend flow pipe via in-line mixing and the blended mixture is pumped through a single pipeline. In one or more embodiments, the in-line mixing system employs a separate spillback or recirculation loop that is fluidly connected to each set of the two or more sets of tanks to control the flow of the hydrocarbon fluid/liquid from each set of tanks to the blend flow pipe. Associated methods of operating one or more embodiments of the system include regulation of spillback or recirculation loop flow rate and/or pressure to drive the actual blend ratio towards a desired blend ratio.

Abstract: A static mixer for desalting a fluid is disclosed. A static mixer can include a housing, a reduction cone disposed concentrically within the housing; and an expansion cone disposed concentrically within the housing; wherein the static mixer is configured to direct fluid flow through the reduction cone onto the expansion cone, thereby mixing the fluid.

Abstract: A nozzle for spouting a liquid phase, in which one liquid phase in a two-liquid phase system can be stably jetted as highly dispersible droplets while suppressing coalescence of droplets, and accumulation of fine solid components in the nozzle hardly occurs. The nozzle has a structure in which capillary tubes or pores are assembled. Further, the capillary tubes or the pores are formed using a suitable material having a low affinity for organic or a low affinity for water, or a material subjected to appropriate surface treatment.

Abstract: The present invention generally relates to systems and methods for the control of fluids and, in some cases, to systems and methods for flowing a fluid into and/or out of other fluids. As examples, fluid may be injected into a droplet contained within a fluidic channel, or a fluid may be injected into a fluidic channel to create a droplet. In some embodiments, electrodes may be used to apply an electric field to one or more fluidic channels, e.g., proximate an intersection of at least two fluidic channels. For instance, a first fluid may be urged into and/or out of a second fluid, facilitated by the electric field. The electric field, in some cases, may disrupt an interface between a first fluid and at least one other fluid. Properties such as the volume, flow rate, etc.

Abstract: A mixing device for cylindrical jars, the device having two drive rollers and two guide rollers extending upward from a housing and through a top surface of the housing. The rear end of the top surface has a stop member. The drive rollers on one side of the jar and the guide rollers on an opposite side of the jar are mounted on axles positioned in the interior of the housing, wherein the axles slant downward 2 to 45 degrees from the front end to the rear end of the housing. The drive rollers will spin the jar at least 5 RPM with the jar tilted downward. A motor and transmission in the housing are connected operatively to the drive rollers. Ajar of natural peanut butter with separated peanut oil and solids may be placed on the rollers, with the lid of the jar engaging the stop member and rotated for 5 to 20 minutes. The natural peanut butter will then remain uniformly mixed for a week.

Abstract: A dispersion device is provided, including a container and a porous dispersion structure. The container has a first receiving space. The porous dispersion structure has at least three porous dispersion layers and has a second receiving space, wherein the porous dispersion structure is located in the first receiving space of the container.

Abstract: A device for mixing liquids and solids in liquids using vibration includes an electromagnetic drive, a drive shaft arranged coaxially with the electromagnetic drive, with drive shaft having a mixing member and either a permanent magnet or a magnetisable element excited by the electromagnetic drive to cause vibration for transmission to the mixing member, and a system of flat spring elements including a first spring element arranged parallel to the drive shaft and a second spring element arranged perpendicularly to the drive shaft and connected to the permanent magnet or the magnetisable element.

Abstract: An inline buffer dilution system is provided that includes a first flow control valve fluidly connected to a supply of diluent liquid, second and third flow control valves fluidly connected to supplies of a first buffer and a second buffer, respectively, and a mixing pump fluidly connected to the first, second, and third flow control valves and configured to mix an amount of the diluent liquid, the first buffer, and the second buffer to produce a diluted buffer solution. The system further includes a backpressure control valve configured to generate a backpressure that promotes mixing within the mixing pump, and a controller configured to control the backpressure based on the amount of the diluent liquid, the first buffer, and the second buffer being mixed in the mixing pump, such that the mixing pump yields a minimum mixing threshold across a range of fluid flows.

Abstract: Embodiments include systems and methods of in-line mixing of hydrocarbon liquids and/or renewable liquids from a plurality of tanks into a single pipeline based on density or gravity. According to an embodiment, a method of admixing hydrocarbon liquids from a plurality of tanks into a single pipeline to provide in-line mixing thereof includes initiating a blending process. The blending process including continuously blending two or more liquids over a period of time, each of the two or more liquids stored in corresponding tanks, each of the corresponding tanks connected, via pipeline, to a blend pipe thereby blending the two or more liquids into a blended liquid. The method further includes determining a density of each of the two or more liquids to be blended during the blending process.

Abstract: A dust control device for withdrawing airborne particles from a container includes a body defined by a cylindrical wall and having a hollow interior extending between first and second open ends. The cylindrical wall has a continuous circumferential surface extending from the first open end to the second open end, a funnel-shaped inlet portion extending from the first open end, a base located at the second open end that is engageable with a container and that extends around at least a portion of the circumferential surface of the cylindrical wall, an outlet port located between the first and second open ends of the body, and a channel extending around the circumferential surface of the cylindrical wall that is in fluid communication with the outlet port. The channel has a bottom opening extending around the circumferential surface of the cylindrical wall and wherein the base surrounds the channel.

Abstract: The invention relates to a multiple-chamber container (1, 1*) for storing and mixing a multi-component liquid coating or adhesive system (M), comprising a first chamber (10) for a first mixing component (B) and at least one other chamber (20) for another mixing component (H), the first chamber (10) and the at least one other chamber (20) being separated by at least one separating wall (30) in liquid-tight fashion and the separating wall (30) comprising a pierceable separating layer (40). The multiple-chamber container further comprises at least one piercing element (50) for piercing the pierceable separating layer (40) in such a way that the first and the one other mixing component (B, H) mix in the first or the at least one other chamber (10, 20). The multiple-chamber container (1, 1*) is characterized in that the at least one other chamber (20) is coaxial to the first chamber (10), the separating layer (40) being partially formed in the separating wall (30).

Abstract: The purpose of the present invention is to provide a novel emulsion composition which is able to be used as an emulsifying agent. Another purpose of the present invention is to provide a novel composite body which is used for emulsification. An emulsion composition according to the present invention contains a carboxy group-containing polymer, an amide alcohol, and a polyglycerol fatty acid ester having one or more hydroxy groups. A composite body according to the present invention, which is used for O/W emulsification, is obtained by bonding a carboxy group-containing polymer, an amide alcohol, and a polyglycerol fatty acid ester having one or more hydroxy groups with each other.

Abstract: A system for treatment of a biomass material, said system comprising: a first vessel (3) in which said biomass material is treated under a first pressure; a second vessel (5) in which said biomass material is received and held at a second pressure which is lower than the first pressure; a transporting pipe (7) connecting an outlet (9) of the first vessel (3) with an inlet (11) of the second vessel (5) for transporting the biomass material from the first vessel to the second vessel; and a valve (15; 15?; 15) arranged in said transporting pipe (7), said valve being configured for controlling the flow of biomass material and fluid in the transporting pipe (7), wherein said transporting pipe (7) is asymmetrically connected to an outlet (33?; 33) of said valve (15; 15?; 15) such that a generated jet stream of biomass material delivered out from the outlet (33?; 33) of the valve (15; 15?; 15) is received closer to a transporting pipe longitudinal central axis (A1) than if the outlet (33?; 33) of the valve (15; 15?;

Abstract: A Cannabis oil formulation comprises a level of terpene concentration of at least 4.88% by weight, detectable levels of tetrahydrocannabinol (THC) and at least two other cannabinoids, and a level of tetrahydrocannabinolic acid (THCA) concentration that is not detectable.

Abstract: A liquid material vaporization and supply device is provided in which it is possible to accurately control a flow rate even in the case where calibration data is not available for a material gas. A first tank in which a liquid material is vaporized to produce material gas; a second tank in which the material gas is contained at a predetermined pressure; a pressure sensor that senses the pressure inside the second tank; a lead-out path for leading the material gas out of the second tank; a fluid control valve that is provided to open/close the lead-out path; and a flow rate control part that, when the material gas is led out through the lead-out path, on the basis of a reduction in the pressure sensed by the pressure sensor, controls the opening level of the valve to control the flow rate of the material gas are included.

Abstract: This invention discloses a reactor and methods for heating of a gas as it reacts with a solid. The reactor contains gas conducts that are empty of solids and that cross through a region packed with solids. The wall of the gas conducts has orifices to make it permeable but not selective to gases, while effectively separating the solids from the gas. In the reactor, the heat source to heat up the gas is generated by the exothermic reaction of the solids with one active component of the gas. The region packed with the reacting solids is at temperatures ranging from 500° C. to 1500° C., to promote the heat transfer towards the gas and the high reactivity of the solids with the active components of the gas, that is forced to diffuse from the conduct through the orifices of the conduct wall.

Abstract: Fluid mixing and distribution device for a downflow catalytic reactor, the said device comprising a mixing zone comprising at least one fluid-mixing space of length L1? and a fluid-exchange space of length L2?, situated underneath and superposed with said mixing space, it being understood that the length L2? of the said exchange space is strictly greater than the length L1? of the said mixing space so as to create a roof at the level of the said exchange space, the said roof comprising at least one longitudinal opening suited to the passage of the following its from the said exchange space to the said distribution zone.

Abstract: Disclosed are a reaction tower, a production system, and a production method for producing potassium manganate. The reaction tower includes a reaction tower body and a bubble generator. The reaction tower body has a reaction chamber. The bubble generator includes an outer housing. The outer housing is disposed in the reaction chamber and has a gas flow channel therein. The outer housing is configured to direct an external reactant gas into the gas flow channel. The outer housing is provided with multiple first pores each having a diameter less than 10 mm, via which the gas flow channel communicates with the reaction chamber. The reaction tower is used in the production system. The reactant gas is introduced into the reaction chamber in the form of small bubbles by the action of the bubble generator, to increase the area of contact of the reactant gas with manganese ore powder and lye.

Abstract: Porous metal oxide microspheres are prepared via a process comprising forming a liquid dispersion of polymer nanoparticles and a metal oxide; forming liquid droplets of the dispersion; drying the droplets to provide polymer template microspheres comprising polymer nanospheres; and removing the polymer nanospheres from the template microspheres to provide the porous metal oxide microspheres. The porous microspheres exhibit saturated colors and are suitable as colorants for a variety of end-uses.

Abstract: An extracellular vesicle separation method, a colloidal particle, and a preparation method thereof are provided. The colloidal particle is used for extracellular vesicle separation, and includes 2 wt % to 6 wt % of agarose. The colloidal particle has a particle size of 25 ?m to 500 ?m, and is surface-modified with biocompatible molecules. The biocompatible molecules include sodium carboxymethyl cellulose (CMC), methyl cellulose (MC), glycine, aspartic acid, glutamic acid, bovine serum albumin (BSA), fetal bovine serum (FBS), or a combination thereof.

Abstract: A gene sequencing chip is provided, which includes: an upper substrate including a plurality of liquid inlets for inletting liquid drops; a lower substrate opposite to the upper substrate and spaced therefrom by a gap, the gap being provided for allowing the liquid drops to move therein, the lower substrate including a liquid drop operation region, the liquid drop operation region including a manipulation electrode array. The manipulation electrode array includes multiple first sub-arrays for preparing a gene library, multiple second sub-arrays for sequencing the gene library which is prepared, each first sub-array being adjacent to one of the multiple second sub-arrays. Based on the gene sequencing chip provided in this disclosure, operations to tiny liquid drops such as movement, fusion and splitting can be accurately manipulated by using digital microfluidic techniques, and all steps of the gene sequencing from library preparation to gene sequencing can be completed on one chip.

Abstract: The present disclosure relates to method of monitoring a solid-phase reaction on a surface of a substrate by taking measurements at a plurality of positions on the surface. Properties of the surface are determined based on the measurements taken. Based on the properties determined, the extent of the solid-phase reaction is determined. This method can be achieved by using an ellipsometer and measuring the changes in thickness of the surface before and after the solid-phase reaction.

Abstract: A structure having excellent rectification performance and durability and having a micro flow channel is provided. The structure has a flow channel in the inside, wherein the cross section of the flow channel has a shape in which a region surrounded by a substantially elliptical curve and a line segment is connected to a triangular region with the base being the line segment, the region surrounded by the line segment and the substantially elliptical curve is semielliptical or more, and the base angle of the triangular region is 45 degrees or more.

Abstract: Improvement in the efficiency of carbon dioxide reduction reaction is achieved. A gas supply unit having a plurality of pores is established in a lower portion of a reduction chamber, and carbon dioxide is supplied as bubbles into an aqueous solution. This can elevate a concentration of carbon dioxide dissolved in the aqueous solution without stirring the aqueous solution using a stirring bar, and render the concentration uniform in the aqueous solution. Therefore, the efficiency of reduction reaction of carbon dioxide in a reduction electrode can be improved.

Abstract: Method and system for Improved quality of selected organic compounds extracted from plant material, which may be the whole plant, a selected portion thereof, or combined parts of the plant, by use of one or more adjustable microwave sources in a closed loop from output to input. The selected portions may be the seeds, pods, leaves, stalks or a combination of one or more of the parts.

Abstract: A continuous acoustic chemical microreactor system is disclosed. The system includes a continuous process vessel (CPV) and an acoustic agitator coupled to the CPV and configured to agitate the CPV along an oscillation axis. The CPV includes a reactant inlet configured to receive one or more reactants into the CPV, an elongated tube coupled at a first end to the reactant inlet and configured to receive the reactants from the reactant inlet, and a product outlet coupled to a second end of the elongated tube and configured to discharge a product of a chemical reaction among the reactants from the CPV. The acoustic agitator is configured to agitate the CPV along the oscillation axis such that the inner surface of the elongated tube accelerates the one or more reactants in alternating upward and downward directions along the oscillation axis.

Abstract: A lithium carbonate production device is provided which can efficiently produce lithium carbonate without requiring a large pressure for supplying carbon dioxide gas, by a simple structure. A lithium carbonate production device (1) includes: a sealed reaction tank (2) which stores a lithium hydroxide aqueous solution A; a supply unit (3) for the lithium hydroxide aqueous solution; a carbon dioxide gas supply unit (4); a circulation unit (21) for the lithium hydroxide aqueous solution; and a nozzle which is provided at the head of the circulation unit (21) for the lithium hydroxide aqueous solution, and has a diameter which gradually decreases from a base end side to a head side.

Abstract: A filter media composition includes a ferrihydrite material having an average pore size (BJH) in a range from 1 to 3 nm and a surface area (BET) of at least 200 m2/g or at least 250 m2/g or at least 300 m2/g.