Abstract: An oil scrub column having a petroleum spirit section and an oil section where each section has mass transfer trays having a plurality of runoff elements that extend parallel to and at a distance from one another, to form angular profiles. The runoff elements have first and second runoff surfaces that converge to form an edge. Scrubbing media introduced onto the edges of the runoff elements flows off via the runoff surfaces at both sides of the edge. The oil section has a greater number of mass transfer trays than the petroleum spirit section. The petroleum spirit section is shorter than the oil section. The mass transfer trays of the petroleum spirit section may be sieve trays, bubble trays or valve trays.

Abstract: Embodiments described herein generally relate to apparatuses that include a vessel comprising a humidification region (e.g., a bubble column humidification region) and a dehumidification region (e.g., a bubble column dehumidification region), and associated systems and methods. In certain embodiments, the apparatuses are configured to include various internal features, such as vapor distribution regions and/or liquid flow control weirs and/or baffles. In some cases, the apparatuses are used in water purification systems, such as desalination systems. The water purification systems may comprise additional devices external to the apparatuses, such as one or more heat exchangers, one or more heating devices, and/or one or more cooling devices.

Abstract: Embodiments described herein generally relate to apparatuses that include a vessel comprising a humidification region (e.g., a bubble column humidification region) and a dehumidification region (e.g., a bubble column dehumidification region), and associated systems and methods. In certain embodiments, the apparatuses are configured to include various internal features, such as vapor distribution regions and/or liquid flow control weirs and/or baffles. In some cases, the apparatuses are used in water purification systems, such as desalination systems. The water purification systems may comprise additional devices external to the apparatuses, such as one or more heat exchangers, one or more heating devices, and/or one or more cooling devices.

Abstract: A manufacturing and separating device and a method for oily radioactive substances provide an automatic synthesis box to minimize the man-made errors during the manufacturing, such that mass production for the oily radioactive substance can be possible, the radiation exposure time of the manufacturing staff can be reduced, and the radioactivity of the final products can be detected. The manufacturing and separating device includes a first reaction material bottle, a first heating device, a gas pump, a first flushing material bottle, a second flushing material bottle, a purifying device, a first transmission unit, a temperature-controlled temporary storage tank, a filter, a first collection bottle, a second collection bottle, a plurality of valves and a control unit.

Abstract: A modular installation for liquid/gas separation of a multiphase fluid such as crude oil. The installation has a plurality of unitary separation devices, each constituted by an enclosure co-operating at its base with a coaxial connection piece connected to a support structure resting on the sea bottom or suitable for being connected thereto. The support structure being suitable for receiving a plurality of the unitary separation devices in reversible manner so as to be able to perform disconnections at will, in particular for increasing the separation capacity of the installation and/or for performing maintenance on the unitary separation device at the surface.

Abstract: A method for separating a second fluid or a particulate from a host fluid is disclosed. The method includes flowing the mixture through an acoustophoretic device comprising an acoustic chamber, an ultrasonic transducer, and a reflector. The transducer includes a piezoelectric material driven by a voltage signal to create a multi-dimensional acoustic standing wave in the acoustic chamber. A voltage signal is sent to drive the ultrasonic transducer in a displacement profile that is a superposition of a combination of different mode shapes that are the same order of magnitude to create the multi-dimensional acoustic standing wave in the acoustic chamber such that the second fluid or particulate is continuously trapped in the standing wave, and then agglomerates, aggregates, clumps, or coalesces together, and subsequently rises or settles out of the host fluid due to buoyancy or gravity forces, and exits the acoustic chamber.

Abstract: A water treatment apparatus is a water treatment apparatus including a cylindrical main body placed in a substantially perpendicular direction; in order from an upstream side, a first treatment layer containing a plurality of first particles; a first partition plate for preventing falling of the first particles; a second treatment layer containing a plurality of second particles having an average diameter smaller than that of the first particles; and a second partition plate for preventing falling of the second particles, wherein a space portion is provided above the second treatment layer in a steady state. The water treatment apparatus may further include a third treatment layer disposed below the second partition plate and containing an adsorbent that adsorbs an oil. An average diameter of the first particles is preferably 100 ?m or larger and 500 ?m or smaller.

Abstract: A nozzle is disclosed for use within a filter for inputting a jetting stream into the filter media to clean the filter media. The nozzle comprises an inlet for communication with a jetting stream source, and a plurality of plates stacked parallel and abutting one another. The plurality of plates comprises at least a top plate and a bottom plate, one of the plates having an aperture through the center thereof for receiving the jetting stream, wherein between adjacent plates at least one space is provided extending from the outside edge of the plates to the interior of plates and in fluid communication with the aperture for channelling the jetting stream radially outward from and substantially parallel with the longitudinal plane of the plate.

Abstract: A sock style filter is disclosed that incorporates the embossing of filtration media to create rigid raised geometry embodiments that prevent collapse between the upper and lower filtration media sides of the filter to maintain and ensure a flow passage of fluid inside the filter for flow to the pump or downstream system. The embossed rigid embodiments keep the filtration media from collapsing under suction and eliminates the use of secondary inserted structures; such as a plastic comb or folded net, or injection mold plastic ribs or bones onto or around the filtration media.

Abstract: A filter device for treating fluids, in particular for filtering fluids such as fuel, oil, or water, has a housing (56) with a housing pot (58), a housing cover (60), at least one inlet (88) for the fluid to be treated, and at least one outlet (82) for the treated fluid. A connecting head (12) has at least one feed (16) for the fluid to be treated and connectable to the at least one inlet (88), and/or at least one discharge (18). The connecting head (12) and the treatment element (14) can be connected to each other by means of a releasable bayonet-type connecting device (34) through the execution of a rotational/plug-in movement about a connecting axis (20) of the treatment device (10).

Abstract: A filter insert for a filter for filtering a fluid having] an inflow surface, and outflow surface, and a main throughflow direction. A filter body of the insert has a filter medium with pleats forming a pleated bellows, are arranged perpendicular to the main throughflow direction. A first number of the pleat edges form the outflow surface and a second number of the pleat edges on a pre-filtration side of the filtration body form the outflow surface. A first seal prevents the fluid from overflowing from the pre-filtration side to the post-filtration on a surface formed by a first number of of end face of the pleats. A second seal prevents the fluid from overflowing from the pre-filtration side to the post-filtration side on a surface formed by a second number of end faces of the pleats.

Abstract: A fluid filtering device includes a casing, a fluid filter, an input pipe, an output pipe, an input pressure gauge, an output pressure gauge, and an automated fluid drain controller. The outer input and output ends of the input and output pipes, and the control output end of the automated fluid drain controller are located outside the outer surface of the plates, and the input and output gauge heads are mounted at the outer surface of the plates. By such arrangements, the pressure difference between input and output pressure can be checked readily, so as to maintain the filtering efficiency while reducing the risk of danger.

Abstract: A device for separating and removing sieve material from a flowing liquid includes a sieve grate that forms a sieve surface and is fixed to a frame. The sieve grate has several grate bars arranged beside one another and with at least some sections separated from one another by spaces. At least one cleaning rake has numerous cleaning prongs, the cleaning rake being movable along the front side of the sieve grate using a drive in such a way that at least sections of the cleaning prongs engage in the above-mentioned spaces when passing the sieve grate to remove sieve material held back by the sieve grate and convey it toward a device discharge. The cleaning rake has cleaning prongs that engage with variable depth into the above-mentioned spaces of the sieve grate.

Abstract: An improved gray water reclamation system. A filter-valve is coupled to a gray water conduit between a drain where gray water enters the system and a gray water tank and/or sump. Water which enters the filter-valve contacts a filter screen which separates the incoming water into a portion of screened water and a portion of particulate matter which remains behind in the main portion of the filter-valve. The portion of screened water continues out of the filter-valve and into the gray water tank. The filter-valve is cleaned or maintained by backwashing the collected contaminates and particulate matter through the normal sewer drain system by opening an installed motor operated valve and allowing the collected particulate matter and backwash to pass there through via the waste conduit. The backwash and particulate matter from the filter-valve is then directed into a second waste conduit which is coupled to a pre-existing drainage system.

Abstract: The present invention provides a tubular filter element 3 configured to filter fluid by allowing the fluid to pass therethrough from the inside to the outside, and to be backwashed by allowing the fluid to pass therethrough from the outside to the inside. The filter element 3 includes: a tubular filter member 31; first and second end members 32 and 33 having openings and respectively provided at first and second ends of the filter member 31; and a trapped object remover 34 provided in the interior of the filter member 31, and movable by the fluid flow while its outer periphery slides in contact with the inner periphery of the filter member 31 to remove trapped objects. A flow rate restricting means for restricting the fluid flow rate through the second end member 33 is provided on the second end side of the filter member 31.

Abstract: An inlet filter is disclosed for use with a reductant tank having a fill spout. The inlet filter may have a generally cylindrical base portion with an open top end and an open bottom end and configured for mounting inside the fill spout. The inlet filter may also have a mesh bag with a top connected to the generally cylindrical base portion, a folded bottom, and open side edges. The inlet filter may further have a bag carrier configured to close the open side edges.

Abstract: A filter insert for filtering a fluid, comprising: an elongate closed-ended tube including a circumferential sealing rim; and a conduit for conveying fluid, one end of the conduit forming an inlet opening, the other end of the conduit being suitable for dispersing fluid into a filter medium located within the tube.

Abstract: A filtering multilayer is described, having at least two layers, one input layer and one output layer, made of non-woven fabric, wherein each fiber of said non-woven fabric consists of a polymer matrix of thermoplastic material, wherein the average diameter of the fibers that form the input layer is larger than the average diameter of the fibers that form the output layer, characterized in that the diameters of the fibers that form the input layer and the output layer have a Gaussian distribution, wherein the diameter of the single fibers that form said input layer varies around the average with a normal distribution of width at least equal to 10% of the average value and the diameter of the single fibers that form said output layer varies around the average with a normal distribution of width at least equal to 14% of the average value. In a preferred embodiment, said polymer matrix contains a carbon-based filler or additive, preferably in the form of powder.

Abstract: An apparatus for separating a granular material from a conveying air stream (5) comprising a deflecting surface (2) for the laden conveying air stream (5) against which flow may take place substantially tangentially is described. In order to allow advantageous separation conditions, it is proposed that the deflecting surface (2) adjoins a guiding surface (3) curved in the opposite direction in the flow direction for a largely laminar flow separation.

Abstract: A forcing and fixing structure for the filter cylinders of a filter cylinder dust collector includes a housing provided therein with a division plate. Plural twinned setting racks are disposed under the division plate, and plural twinned forcing rods are respectively set on the setting racks, and the forcing rods are respectively and vertically connected with a rotary handle. Further, plural assembling-and-disassembling plates are respectively mounted on each pair of the forcing rods for plurality filter cylinders to be fitted thereon. When the rotary handles are turned to actuate the forcing rods to rotate and drive the assembling-and-disassembling plate to move upward, the filter cylinders can be forced to tight fit with the division plate, thus facilitating assembly and disassembly of filter cylinders, attaining good airtight effect and elevating efficacy of air purification and quality of use of the filter cylinder type dust collector.

Abstract: An assembly is disclosed. The assembly includes a filter frame including one or more cutouts for permitting airflow therethrough. The assembly further includes one or more vertical support members and one or more horizontal support members, wherein the one or more vertical support members and the one or more horizontal support members are fixed to a first side of the filter frame.

Abstract: A novel air filter comprises a frame having at least a perimeter portion and a generally open central area. An air filtering member of decomposable organic fibrous material is securely retained by the frame across the generally open central area, to thereby permit filtering of air passing through the generally open central area. The frame member may also be constructed from a decomposable organic fibrous material or from a decomposable plastics material.

Abstract: The present invention provides ammonia purification means to remove impurities such as oil with a negative effect on vapor deposition from inexpensive commercially available industrial crude ammonia and from crude ammonia recovered from the gallium nitride compound semiconductor process and to continuously supply the purified ammonia to the gallium nitride compound semiconductor process. The oil removing device removing oil from crude ammonia containing oil as impurities includes an oil filter cylinder accommodating a filtration element cylindrically formed from a filtration membrane processed into a shape of pleat, honeycomb, or space structure; and an oil adsorption cylinder filled with activated carbon. The ammonia purification apparatus is provided with the oil removing device; a catalyst cylinder filled with a catalyst containing nickel as an active component; and an adsorption cylinder filled with synthetic zeolite.

Abstract: An air dryer includes a supporting base, a drying agent container, and an outer cover. The supporting base includes an inlet for receiving compressed air to be subject to a drying process and an outlet for delivering the processed compressed air that has undergone the drying process. The drying agent container is a container supported on the supporting base, contains a drying agent in the interior, and enables the drying process to be performed by passing the compressed air from the inlet through the drying agent. The outer cover surrounds the outer side of the drying agent container on the supporting base and defines a chamber for storing the compressed air between itself and the drying agent container. The supporting base includes first and second mounting surfaces, which are oriented in different directions, and a plurality of inlets, which are oriented in different directions and receive the compressed air.

Abstract: An absorber of a carbon dioxide capture system according to an embodiment includes: a release region for releasing carbon dioxide from an absorbing liquid supplied from a stripper; and a second gas-liquid contact unit to which carbon dioxide released in the release region is supplied together with exhaust gas discharged from a first gas-liquid contact unit. The absorbing liquid having released the carbon dioxide therefrom in the release region is supplied to the second gas-liquid contact unit by an absorbing liquid supply device. The absorbing liquid having passed through the second gas-liquid contact unit is guided to the first gas-liquid contact unit while bypassing the release region. The second gas-liquid contact unit brings the exhaust gas and the absorbing gas into contact with each other so as to cause the carbon dioxide contained in the exhaust gas to be absorbed in the absorbing liquid.

Abstract: A liquid desiccant regeneration system and method of liquid desiccant regeneration are described. The liquid desiccant regeneration system includes a liquid desiccant regenerator having an engine producing a heated exit stream, and at least one dehydrating tube comprising a first water vapor permeable wall. A low concentration liquid desiccant stream feeds into the liquid desiccant regenerator, while a high concentration liquid desiccant stream exiting the liquid desiccant regenerator. A carrier stream and the low concentration liquid desiccant are in contact with opposite sides of the first water vapor permeable wall, and the low concentration liquid desiccant stream is heated by heat from the heated exit stream to drive water from the low concentration liquid desiccant stream through the first water vapor permeable wall to the carrier stream to form a humidified carrier stream.

Abstract: Methods for the heat treatment of a material flow and the cleaning of resulting exhaust gases are disclosed. The material flow may be preheated in a preheating zone, burned in a sintering zone, and cooled in a cooling zone. Exhaust gases of the sintering zone may flow through a preheater and be used for preheating the material flow. The exhaust gases leaving the preheater may be cooled at least partially in a comminuting device in interconnected operation or at least partially in a cooling device in direct operation. Exhaust gases may then be at least partly dedusted in a dust filter. A temperature of the dedusted exhaust gas may then be raised before the exhaust gas is cleaned of pollutants in at least one catalyst. A temperature at which the exhaust gases flow through the catalyst in direct operation may be higher, at least in phases, than a temperature at which the exhaust gases flow through the catalyst in interconnected operation.

Abstract: For purifying waste gas charged with nitrogen oxides in a reactor with heat-accumulator chambers containing heat-accumulator materials, the raw gas to be purified alternately enters one of the heat-accumulator chambers. Mixed with a reducing agent for the reduction of the nitrogen oxides, it is supplied to a catalyst for the reduction of the nitrogen oxides, and the clean gas heats the heat-accumulator material in the heat-accumulator chamber which the clean gas exits. A partial flow is taken therefrom, heated by means of a heat source and, mixed with a reducing agent, supplied again to the heat-accumulator chamber which the raw gas enters. This heated, recirculated gas forms the only heat source for the overall system.

Abstract: A desulfurization apparatus employing the limestone-gypsum method has: a desulfurization unit where an absorbing liquid containing a calcium compound contacts with an exhaust gas to remove a sulfur oxide from the exhaust gas; a removal unit for removing gypsum, generated from the sulfur oxide, from the absorbing liquid; and a cleaning unit for cleaning the exhaust gas after contacting, using a cleaning liquid, thereby removing calcium-containing particles from the exhaust gas. In the removal unit, the gypsum is separated into larger gypsum particles and smaller gypsum particles using a cyclone separator, and the absorbing liquid containing the larger gypsum particles is filtrated and the filtrate is supplied to the cleaning unit as the cleaning liquid. An exhaust gas processing system has the desulfurization apparatus, a denitration apparatus and a carbon dioxide recovery apparatus. A post-recovery gas is partially supplied to the desulfurization apparatus as an oxygen source.

Abstract: The invention relates to a method and to an arrangement for removing gaseous elementary mercury from a stream of gas and to an arrangement for carrying out the method. The arrangement comprises a first washing tower (2) for receiving a stream of gas, a second washing tower (6) for receiving a stream of once processed gas (5) from the first washing tower (2), and a third washing tower (9) for receiving a stream of twice processed gas (23) from the second washing tower (6) and configured for discharging a stream of cleaned gas (12).

Abstract: Methods and systems for reducing mercury emissions from fluid streams are provided herein, as are adsorbent materials having high volumetric iodine numbers.

Abstract: A reactive composition comprising between 60% and 98% by weight of sodium bicarbonate, between 1% and 40% by weight of sodium carbonate and between 0.02% and 2.0% by weight of ammonia, expressed in the form of ammonium ions NH4+, and comprising from 0.01 to 5% by weight of a compound selected from the group consisting of hydrocarbons, fatty alcohols, fatty acids, and fatty acid salts.

Abstract: An ammonia decomposition catalyst to be used for an ammonia exhaust gas having a high moisture content; and a method for purifying the ammonia exhaust gas. An ammonia decomposition catalyst for treating an ammonia exhaust gas containing moisture, the catalyst comprising: a lower layer having a noble metal, an inorganic oxide, phosphorus, and a first proton type zeolite or a first ion exchange type zeolite ion-exchanged with Cu, Co or Fe ions; and an upper layer provided on the lower layer and having a second proton type zeolite or a second ion exchange type zeolite ion-exchanged with Cu, Co or Fe ions.

Abstract: The present disclosure relates to a volatile organic compound removal system using microwaves, the system having a structure wherein an adsorption filter and an oxidation filter for oxidizing VOCs desorbed from the adsorption filter are arranged successively in a flow path of air containing VOCs, and the adsorption filter and the oxidation filter are respectively heated by using microwaves. The system includes: a first body part having first inlet and outlet, and the flow path therein; first adsorption filter and oxidation filter provided in the first body part and provided to allow gases flowing in the flow path to pass successively in the direction from the first inlet to outlet; and a plurality of first magnetrons provided at one side of the first body part to respectively correspond to the first adsorption filter and oxidation filter, and selectively irradiating microwaves to the first adsorption filter and oxidation filter.

Abstract: An oxidation catalyst composite, methods and systems for the treatment of exhaust gas emissions from an advanced combustion engine, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx) from a diesel engine and an advanced combustion diesel engine are disclosed. More particularly, washcoat compositions are disclosed comprising at least two washcoat layers, a first washcoat comprising a palladium component and a first support containing cerium and a second washcoat containing platinum and one or more molecular sieves.

Abstract: The method of solvent recovery includes using a plurality of solvent recovery units to recover solvent from a dilute solution. The solvent recovery units can include a plurality of reverse osmosis or forward osmosis membrane systems arranged in series. For reverse osmosis, at least some of the concentrate in a last reverse osmosis unit of the series is recycled back to the permeate of that unit to provide a mixed permeate. The mixed permeate is then passed successively to the permeate side of each preceding reverse osmosis unit in the series. For forward osmosis, a draw solution is passed sequentially from the permeate side of each unit to the permeate side of the preceding unit. The draw solution may be prepared by concentrating part of the concentrate stream by evaporation and recycling it back as a draw solution.

Abstract: A filtration module includes a stack of at least two spacers. At least one spacer in the stack includes a first and a second outer plate and at least one internal permeate channel arranged in between the first and second outer plates such that the outer plates form two of the walls that define at least one internal permeate channel. The at least one internal permeate channel extends between two opposite side, other than the first and second outer plates, of the spacer. Moreover, the first and second outer plates of at least one spacer are porous or perforated and a filtration membrane is attached to the first and second outer plate of at least one spacer such that liquid transferred across the membrane is further transported through the pores or perforations to the at least one internal permeate channel.

Abstract: An integrated composite roll film, which is installed in a film shell, includes a roll film including a diaphragm and a hollow central pipe winding the diaphragm; wherein a central pipe has a plurality of water inlet holes cut thereon; being filtered by the diaphragm, water enters into a central pipe cavity through the water inlet hole; an inner diameter of the central pipe is matched with a pipe diameter of the roll film shell; and a filter material is installed in the cavity of the central pipe. The integrated composite roll film reduces the volume of the whole machine, increases the water outlet amount and facilitates assembly and disassembly.

Abstract: An apparatus for enhanced anti-fouling of a submerged surface includes a bath of a feed liquid that includes water; a fouling structure in contact with the feed liquid; and a gas feed configured to introduce a gas into contact with the fouling structure and the feed liquid to separate the fouling structure from the feed liquid with a gas layer.

Abstract: Provided is a method of producing a composite, which is capable of preventing a silicone coating solution, which becomes a silicone resin layer that prevents an acidic gas separation layer from entering a porous support, from entering the porous support, preventing a porous film and an auxiliary support film from being peeled off, and suitably forming a dense silicone resin layer on the surface of the porous support. The method thereof includes a coating process of coating the surface of the porous film side of the porous support with the silicone coating solution which becomes a silicone resin layer according to a roll-to-roll system. In the coating process, the conveying speed of the porous support is in a range of 0.5 m/min to 200 m/min, the viscosity of the silicone coating solution is in a range of 100 cP to 1000000 cP, and the peel force between the porous film and the auxiliary support film is 10 mN/min or greater.

Abstract: Provided is a double crosslinked sodium alginate/polyvinyl alcohol composite nanofiltration membrane, including: a porous polymer support; and a sodium alginate/polyvinyl alcohol blend coating layer formed on the porous polymer support and having a first crosslinking structure formed by complexation with divalent metal ions and a second crosslinking structure formed by acetalization with aldehyde groups. The double crosslinked sodium alginate/polyvinyl alcohol composite nanofiltration membrane disclosed herein not only shows excellent chlorine resistance but also has improved water permeation flux and salt rejection ratio, and thus may be manufactured in the form of a spirally wound type membrane module and applied to a water treatment system in which it may be utilized for an actual nanofiltration separation process.

Abstract: The purpose of the present invention is to provide: a composite semipermeable membrane that has excellent oxidation resistance compared to the prior art; and a method for producing the composite semipermeable membrane. The method for producing a composite semipermeable membrane is characterized by: comprising a step in which an amine solution containing a polyfunctional amine component and an organic solution containing a polyfunctional acid halide component are brought into contact on a porous support to form a skin layer containing a polyamide resin on the surface of the porous support, wherein the polyfunctional amine component contains N,N? -dimethyl-meta-phenylenediamine and the solvent of the organic solution is an organic solvent having a boiling point of 130 to 250° C.

Abstract: Disclosed herein is a method of making a crosslinked membrane such as a crosslinked hollow fiber membrane. The method comprises (a) preparing a polyimide polymer comprising carboxylic acid functional groups from a reaction solution comprising monomers and at least one solvent; (b) treating the polyimide polymer with a diol at esterification conditions to form a monoesterified polyimide polymer; (c) forming a monoesterified polyimide membrane or dense film from the monoesterified polyimide polymer; and (d) subjecting the monoesterified polyimide membrane or dense film to transesterification conditions under a CO2 atmosphere to form a crosslinked polyimide membrane or dense film.

Abstract: An aeration assembly for aerating liquids including wine and other alcoholic beverages includes an expansion chamber and an aerating device. The expansion chamber is configured to be in fluid communication with an inside of the uncorked and/or opened bottle when engaged by a bottom portion of the expansion chamber. The aerating device comprises a gas conduit having a proximal end in fluid communication with a distal end. The distal end is disposable below the bottom portion of the expansion chamber. A gas source is in fluid communication with the proximal end of the gas conduit. The expansion chamber is configured to temporarily contain an expansion of bubbles during an aeration process. The expansion chamber and aerating device are not permanently connected, wherein the aerating device can be fully removed from the expansion chamber before, during or after the aeration process.

Abstract: An apparatus (10) for generating nanobubbles for use with fluid dispensing fittings is described. The apparatus includes a longitudinal shaft having a first end portion (12), a body (16) and a second end portion (14). The first end portion (12) and the second end portion (14) are adapted for connection with the body (16). The first end portion (12) and the second end portion (14) each includes a conical-shaped guide wherein the body comprises airfoil-shaped projecting members (19) arranged circumferentially on the outer circumferential surface of the body (16).

Abstract: An improved cavitation mixing and heating device employs an inlet directed toward the vertex of a conical or similar flow-directing element. The flow patterns of the fluid material to be mixed and heated are designed to preheat, spread, and create turbulent flow mixing of the fluid before it enters the cavitation zone, using heat generated in the cavitation zone that is conducted through the body of the cavitation rotor. The functions of the axially oriented inlet and flow directing element are assisted by a cantilever construction to alleviate stress on the bearings.

Abstract: A device for circulating a liquid received in a container, in particular for circulating wastewater received in a tank, has a hyperboloid-like or truncated cone-like stirring body mounted on a vertical shaft, wherein a plurality of transport ribs extending from the peripheral edge in the direction of the shaft are provided on an outer side of the stirring body, a centerline between two adjacent transport ribs is defined by points of equal minimum distance from each crest line of the two adjacent transport ribs, an aperture is provided in the stirring body between the two transport ribs, and an aperture area delimited by the edge of the aperture has a geometric center of gravity. The geometric center of gravity of the aperture area is disposed in a region between the centerline and the crest line of one of the two transport ribs.

Abstract: An impeller, which may be a dual-direction mixing impeller, may include a hub and a blade extending from the hub, the blade having a substantially flat root portion and a twisted outer portion, the blade terminating at the twisted outer portion.

Abstract: A mixing element in which spiral blade edge portions are disposed in a tube wall portion of a passage tube through which fluid flows and an opening section of the passage tube and the blade edge portions are joined to each other is provided. In an existing manufacturing method using a gas welding machine, when, for example, a mixing element having an inside diameter of 130 mm is to be manufactured, eight 90-degree rotation type spiral blades can be disposed at most. In a method for manufacturing the mixing element according to the present invention, it is possible to manufacture a mixing element including 10 or more blades by using a laser processor.

Abstract: The invention is a weighing and mixing system for the preparation of mixtures of components required by processing machines for the manufacture of plastic products. In particular the invention is suitable for the preparation of weighed mixtures comprised of at least two different master-batches in order to obtain the color shade desired for a specific plastic product.