Abstract: A mass transfer system including a housing and a three-dimensional ordered open-cellular micro-truss material within the housing for a mass transfer application. Here, the three-dimensional ordered open-cellular micro-truss material includes a plurality of first truss elements defined by a plurality of first self-propagating polymer waveguides and extending along a first direction, a plurality of second truss elements defined by a plurality of second self-propagating polymer waveguides and extending along a second direction, and a plurality of third truss elements defined by a plurality of third self-propagating polymer waveguides and extending along a third direction. The first, second, and third ordered truss elements interpenetrate each other at a plurality of nodes to form a continuous material. In one embodiment, the continuous material is a metal material.

Abstract: A method of producing sterile water from raw water during a production cycle in a production plant P, including adding a disinfectant to the produced sterile water during the production cycle to permanently monitor the condition of the sterile water and/or the production plant, and determining and evaluating a reduction of concentration of the disinfectant directly in the production stream. In a production plant suited for carrying out the method, a sterile sensor is provided directly in the production stream through which the reduction of concentration of the disinfectant added to the produced sterile water can be permanently measured and evaluated to provide a sterility evidence.

Abstract: A trash removal system is configured to enable a diver to remove debris from water. The trash removal system comprises a line mechanically coupled to a boat and extending downward in the water. Hooks are mechanically coupled to the line and configured to receive the debris from the diver. Shelf nets are mechanically coupled to the line and configured to receive debris from the diver. The diver can affix debris to the hooks or insert debris into the shelf nets that can be drawn to the boat with a crank removing the debris from the water.

Abstract: Disclosed is an improved water treatment cavitation reactor cone. The tank operates on a continuous flow of fluids which are subjected to ultrasonic waves in combination with a high level of injected ozone. The treatment tank includes a tangential inlet that induces a rotating flow into the tank thereby increasing the mixing of the ozone within the effluent. The effluent is further treated with DC current. The treatment tank provides a cost efficient and environmentally friendly process and apparatus for cleaning and recycling fluids as contaminated as frac water, used to stimulate gas production from shale formations, as well as other types of fluids having various levels of contaminants such as aerobic and anaerobic bacteria and suspended solids. The calcium carbonate scaling tendency is reduced to an acceptable level without the use of acids, ion exchange materials, or anti scaling chemicals which is of economical and environmental significance and benefit.

Abstract: A photobioreactor assembly, including panel having an array of equal radius, generally parallel, generally vertical and generally transparent tubes, where the tubes have a radius such that for a pre-determined microorganism preferred light intensity level, photosynthesis viable light is available at the center of each tube for an expected maximum culture density for that microorganism, an air supply operationally connected to panel and capable of maintaining a positive pressure within the panel, a water purifier operationally connected to the panel, and a water supply operationally connected to the water purifier. Each respective tube is connected in fluidic communication with each other.

Abstract: The present invention provides an integrated system for the combined purpose of electricity generation and water treatment and biofuel production. The configuration combines complementary sub-systems whereby outputs from one system are used as inputs to another creating a positive feedback mechanism that significantly increases system efficiency and output. Compensatory mechanisms between system components create a natural hedge in energy and water production against temporal variation in solar insolence levels. Secondary benefits of the invention may include carbon abatement, ground water improvements, and land regeneration.

Abstract: This invention relates to the field of water purification and desalination. In particular, embodiments of the invention relate to systems and methods of removing essentially all of a broad spectrum of impurities from water in an automated industrial process that requires minimal cleaning or maintenance during the course of several months to several years, with relatively high yields of product water per unit of input water, flexibility with respect to energy sources, compact design with a low industrial foot-print, the ability to recover valuable by-products, and ultra-low energy requirements.

Abstract: The present invention relates to a method for purifying water, without the addition of salts, for treating swimming pool water, which comprises the simultaneous application of electrolysis and ultraviolet radiation techniques on the water to be treated, which takes place in a single reactor. It also relates to a reactor for purifying water, without the addition of salts, according to the preceding method comprising, within a tubular body, at least one bundle of electrodes with at least two electrodes each, at least two ultraviolet lamps, and a water inlet connection and a water outlet connection.

Abstract: Embodiments of the invention relate generally to methods and systems for treating aqueous systems associated with industrial wastewater applications and gas and crude oil drilling, pumping and production to reduce or eliminate contamination. In one embodiment, a method includes: an aqueous volume having an initial oxidant demand, an oxygen-containing oxidant and at least one chlorine oxide at substoichiometric amounts in an amount sufficient to eliminate the oxidant demand. The system includes: an aqueous treatment system comprising a containment system; at least one apparatus for introducing an oxygen-containing oxidant; and at least one apparatus for introducing at least one chlorine oxide into said containment system at controlled, substoichiometric quantities.

Abstract: Improved fluid sanitization assemblies are provided. More particularly, the present disclosure provides improved fluid/water sanitization assemblies utilizing UV light and/or ozone. The UV light and/or ozone can be generated via light emitting diodes (“LEDs”) (e.g., via UV LEDs). In certain embodiments, by emitting light at a wavelength of about 250 nm to about 270 nm (e.g., 253.7 nm), the fluid sanitization assemblies thereby disinfect and/or sanitize fluid/water. The present disclosure provides for a fluid sanitization assembly including a pressure vessel configured and dimensioned to house fluid; a plurality of light emitting diodes (“LEDs”) mounted with respect to the pressure vessel, each LED mounted with respect to the pressure vessel via an optic member; wherein each optic member is configured and dimensioned to focus and direct UV light emitted from its associated LED to the fluid within the pressure vessel for sanitization purposes.

Abstract: Polymer flocculants are described comprising blends of high molecular weight polyethylene oxide and high molecular polyacrylamides. When introduced in desired amounts and with desired molecular weight ranges, excellent flocculation function is found that can be used to reduce polymer consumption to obtain a desired purity of clarified waste water. It has been found that the desirable polymer blends can be effectively added upstream from locations in which polyethylene oxide would generally be added so that the polymer blend can effectively mix with the slime flow to reduce or eliminate the need for excess polymer use to compensate for less effective mixing with the slime flow. Suitable waste treatment systems are described to provide for the delivery of the flocculants in the waste treatment process.

Abstract: A disposable cartridge for use in a hemodialysis machine has a blood flow path for carrying a volume of blood to be treated in a dialyser and a dialysate flow path, isolated from the blood flow path, for delivering a flow of dialysate solution through the dialyser. The cartridge is received in an engine section of the machine. The engine section has first and second platens which close when the cartridge is inserted to retain the cartridge. Actuators and sensors arranged on the second platen control operation of the cartridge.

Abstract: A wastewater concentrator a liquid evaporator assembly, a gas-liquid separator, an exhaust assembly, and a slurry thickening and storage system. The slurry thickening and storage system includes a slurry thickening tank fluidly connected to the gas-liquid separator and a thickened slurry storage tank fluidly connected to the slurry thickening tank.

Abstract: A wastewater treatment system includes one or more aeration tanks for receiving wastewater, a controller for controlling the amount of air delivered to each of the one or more aeration tanks by a blower assembly, and a sensor assembly for periodically measuring values corresponding to the amount of dissolved oxygen in at least one of the one or more aeration tanks. When the sensor assembly measures values that are less than a low setpoint value, the controller causes the blower assembly to incrementally deliver more air until the sensor assembly measures values that are not less than the low setpoint value. When the sensor assembly measures values that exceed the low setpoint value, the controller causes the blower assembly to incrementally deliver less air until either the sensor assembly measures values that are not greater than the low setpoint value, or the blower assembly reaches a preselected low operating threshold.

Abstract: The present invention provides a photocatalytic reactor and a method for treating gaseous pollutants using the same, which can decompose and remove gaseous pollutants such as volatile organic compounds (VOCs), odors, etc. as well as liquid pollutants using an environmentally friendly photocatalytic reaction. To this end, the present invention provides a photocatalytic reactor including: a solution tank to which a fluid containing gaseous pollutants to be treated is supplied through an inlet; a solution injector installed at the top of the inlet and injecting a gaseous pollutant solution into the fluid to be treated such that the gaseous pollutants of the fluid are dissolved; and a liquid photocatalytic treatment device receiving the gaseous pollutant solution, in which the gaseous pollutants of the fluid are dissolved and liquefied, from the solution tank and decomposing the liquefied gaseous pollutants of the fluid.

Abstract: One exemplary embodiment can be a process for extracting one or more sulfur compounds. The process may include mixing a hydrocarbon stream containing the one or more sulfur compounds with an alkaline stream in at least one vessel. Often, the at least one vessel includes a member forming a perimeter about an interior space and having a first side and a second side forming a passageway communicating at least one of the hydrocarbon stream and the alkaline stream from an outer surface of the member to the interior space, and a frustum. The frustum can be positioned proximate to the passageway and abutting the member for facilitating contacting of the hydrocarbon stream and the alkaline stream.

Abstract: A chemical feed method and apparatus that uses the solubility limit of a specific chemical to provide a measured dose. The invention includes a container of a specific volume into which a solid chemical is placed and held. The chemical dissolves until it approaches its solubility limit. When the system requires a dose of chemical, the container is flushed and a controlled dose of the chemical is fed in to the system. The invention can be combined with kinetic dissolution to allow a larger dose from a given feeder.

Abstract: Described herein are methods and compositions for preparing an adsorbent composition for sustained silver ion release is provided. The method comprises impregnating silver nanoparticles on an organic-templated-nanometal oxyhydroxide. Particle size of the silver nanoparticles is less than about 50 nm. The adsorbent composition is antimicrobial in water. In an aspect, the organic- templated-nanometal oxyhydroxide is organic-templated-boehmite nanoarchitecture (OTBN). The resultant adsorbent composition is used as a water filter in a water purification device.

Abstract: It is an object to provide a method for killing aquatic organisms in liquid by which aquatic organisms in liquid can be killed at low cost, and the object is attained by a method including a first step of generating microbubbles in a range of 4 to 100 ?m from bubbles containing ozone discharged into liquid in a pipe, a second step of forcibly crushing the microbubbles in the pipe generated at the first step to generate OH radicals as a result of crushing of the microbubbles themselves due to the forcible crushing, and a third step of generating OH radicals as a result of dissolution and decomposition of the ozone contained in the microbubbles in the liquid due to the forcible crushing of the microbubbles, wherein the OH radicals generated at the second and third steps, OH radicals generated as a result of self-crushing of the microbubbles themselves in the liquid in the pipe, and OH radicals generated as a result of dissolution and decomposition of the ozone contained in the microbubbles in the liquid due to

Abstract: A bucket arrangement includes a bucket configured to contain a volume of liquid for use in cleaning a surface, a treatment station, a flow path for liquid from the liquid volume to the treatment station, and a flow path for liquid from the treatment station to return the liquid to the liquid volume after treatment by the treatment station. The treatment station includes a source of ultra-violet radiation configured to expose the liquid in the treatment station to ultra-violet radiation to treat the liquid and/or a silver-based antibacterial device configured to expose the liquid in the treatment station to silver to treat the liquid.

Abstract: Disclosed is a generator of oxygen-rich water. An exemplary embodiment of the present invention provides a generator of oxygen-rich water, including: a housing; a water tank provided in the housing; an oxygen generator provided in the housing; and a mixing unit mixing water supplied from the water tank and oxygen generated from the oxygen generator, wherein the mixing unit includes a hollow fiber membrane therein, and the hollow fiber membrane includes an inlet to which at least one end of a hollow fiber is fixed and a protrusion in which a body of the hollow fiber protrudes and is provided so that water and oxygen flows into an opening of at least one end fixed to the inlet and is discharged to the protrusion.

Abstract: In a system for generating potable water by water desalination using a reverse osmosis filter having a product outlet and a reject outlet, a system for re-mineralization of the potable water comprising means for collecting lime or calcium carbonate from a stream out of the reject outlet, and means for adding lime or calcium carbonate to a stream out of the product outlet. The means for collecting lime or calcium carbonate can subsequently be used for adding lime or calcium carbonate to the stream out of the product outlet.

Abstract: A system for treating a substance using a storage vessel and two or more devices disposed in a top of the storage vessel. Each device has: (a) a volute or cyclone head, (b) a throat connected to the volute or cyclone head, (c) a parabolic reflector connected to the throat, (d) a first wave energy source comprising a first electrode within the volute or cyclone head that extends through the outlet into the opening of the throat along the central axis, and a second electrode extending into the parabolic reflector and spaced apart and axially aligned with first electrode, and (e) a second wave energy source disposed inside the throat, embedded within the throat or disposed around the throat. The substance is supplied to the inlet of the volute or cyclone head and is irradiated with one or more wave energies produced by the first and second wave energy sources.

Abstract: A multi-stage floatation dispenser for carrying a ballast, which may be a non-water consumable dispersant and at least one water consumable dispersant wherein the weight of the water consumable dispersant decreases as the water consumable dispersant is consumed with the weight of water consumable dispersant and the non-water consumable coordinated with the flotation capacity of a flotation dispenser to provide for either a two stage or a three stage dispensing mode.

Abstract: Apparatus, such as a flotation separation device, features a flotation cell or column configured to receive a mixture of water, valuable material and unwanted material; receive polymer-based materials, including polymer bubbles or beads, configured to attach to the valuable material in the mixture; and provide enriched polymer-based materials, including enriched polymer bubbles or beads, having the valuable material attached thereon.

Abstract: Embodiments of the invention are directed to systems and methods for purifying fluids, such as water. In some embodiments, the water is first filtered by known filtering methods, such as by reverse osmosis or distillation. Once a flow is sensed in the fluid, electrolyte is added to the filtered fluid. Oxygen and hydrogen gas is then formed in the electrolytic filtered fluid via electrolysis to provide a treated fluid.

Abstract: Implementations of the present invention relate to systems, methods, and apparatus for filtering and treating water, such as tap water, well water, spring water, etc., and producing drinking, bathing, and swimming water. More specifically, such systems, methods, and apparatus can produce purified water by removing substantially all suspended as well as dissolved solids, undesirable acids, gasses and all and any contaminates from the water. Additionally, the systems, methods, and apparatus can produce reprogrammed high biophoton mineralized drinking water by chilling vortexing over proprietary lodestones, ingenious, sedimentary and metamorphic rocks and creating bicarbonate ions in the water introducing minerals and/or salts into the water.

Abstract: A blood purification apparatus has a blood circuit with an arterial blood circuit (1) and a venous blood circuit (2). Blood is extracorporeally circulated from a tip of the arterial blood circuit (1) to a tip of the venous blood circuit (2). A dialyzer (3) is interposed between the arterial blood circuit (1) and the venous blood circuit (2) to purify the blood. The blood purification apparatus can substitute the blood inside the blood circuit during returning of the blood after treatment. An air circulation line is connected to a predetermined portion in the blood circuit to circulate air. An air pump (18) supplies the air into the blood circuit, via the air circulation line. A control device (19) controls the air pump (18) to supply the air into the blood circuit during returning of the blood.

Abstract: Polymer flocculants are described comprising blends of high molecular weight polyethylene oxide and high molecular polyacrylamides. When introduced in desired amounts and with desired molecular weight ranges, excellent flocculation function is found that can be used to reduce polymer consumption to obtain a desired purity of clarified waste water. It has been found that the desirable polymer blends can be effectively added upstream from locations in which polyethylene oxide would generally be added so that the polymer blend can effectively mix with the slime flow to reduce or eliminate the need for excess polymer use to compensate for less effective mixing with the slime flow. Suitable waste treatment systems are described to provide for the delivery of the flocculants in the waste treatment process.

Abstract: A clinical analyser wastewater treatment apparatus is disclosed including a carbonator section. Preferably there is also an anodic oxidation section and a UV oxidation section, as well as a heavy metal removal section. The anodic oxidation section may include a conductive diamond anode. The apparatus may include a measurement device downstream of the carbonator section and a control system to control the operation of the carbonator. The measurement device is preferably a pH sensor.

Abstract: An inline intravenous (IV) fluid sterilization system can be located within directly upstream of the patient's access point, downstream of any breach points, so as to ensure fluid sterility. The chamber space between the walls is accessed by a fluid inlet port and a fluid outlet port between which the fluid flows. The inlet port is connected to a conduit/tubing from the fluid source and the outlet port is interconnected with a conduit/tubing that is free of breach points and interconnects to the patient access point. The inner wall allows for transmission of UV light into the fluid space. The walls define a space therebetween that is relatively small radially, allowing for a sufficient flow rate, but providing a large surface area and small fluid depth for exposure to the UV light. The UV light is provided by an elongated lamp within a cavity of the inner wall.

Abstract: The described implementations relate to water denitrification. One method obtains nitrate levels in influent and effluent of a moving bed media filter and determines carbon levels in the effluent. The method also doses carbon feedstock into the influent based on both the nitrate levels and the carbon levels.

Abstract: An apparatus for treating a substance includes: (a) a volute or cyclone head, (b) a throat connected to the volute or cyclone head, (c) a parabolic reflector connected to the throat, (d) a first wave energy source comprising a first electrode within the volute or cyclone head that extends through the outlet into the first opening of the throat along the central axis of the throat, and a second electrode extending into the parabolic reflector proximate to the focus wherein the second electrode is spaced apart and axially aligned with first electrode, and (e) a second wave energy source disposed inside the throat, embedded within the throat or disposed around the throat. The substance is supplied to the inlet of the volute or cyclone head and is irradiated with one or more wave energies produced by the first and second wave energy sources.

Abstract: Disclosed herein are an apparatus and method for reducing nitrate using iron-oxidizing microorganisms, which can easily reduce nitrate using iron-oxidizing microorganisms. The apparatus includes: a nitrate-reducing reactor which is operated under anaerobic conditions and provides a space for reduction of nitrate; and an iron-oxidizing microorganism provided in the nitrate-reducing reactor, wherein the iron-oxidizing microorganism releases divalent iron (Fe2+), the released Fe2+ is converted to Fe3+ by microbial oxidation under anaerobic conditions while releasing an electron, and the released electron is used in the reduction of nitrate into nitrogen gas by the iron-oxidizing microorganism.

Abstract: A method and apparatus for treating a body of water to kill microorganisms by enhancing the concentration metal ions therein.

Abstract: A fluid treatment apparatus includes a base portion, a medium or media, and an elongated support portion. The base portion has a first end, a second end, and a side with an exterior surface. The first end has an inlet and outlet for receiving and dispensing a water flow, respectively. The medium or media is spaced within the base portion and receives fluid through the inlet, treats the fluid, and dispenses the fluid through the outlet. The elongated support portion extends from the second end of the base portion and has a sidewall. The sidewall has an exterior facing surface that is substantially aligned with the exterior surface of the side. The elongated support portion maintains a latch assembly location for engaging a filter head assembly and is configured to withstand torsional forces applied by the user for engagement and alignment with an elongated receiving cavity of an appliance.

Abstract: A multi-stage, coaxially configured, fluid filter assembly includes a first filter stage, a second filter stage, and a porous filtration membrane. The first filter stage has a coarse medium spaced in a volume between an outer surface and an inner surface thereof, such that fluid may come into operative contact with the coarse medium to remove first stage materials from the fluid. The second filter stage is coaxially spaced within the first stage and is configured to receive fluid from the first filter stage. A moderate medium in the second filter stage is configured to remove second stage materials from the fluid. The porous filtration membrane is engaged with the inside surface of the second filter stage and has fine pores for filtering small particles from the fluid. The first and second stage materials are suspended away from the filtration membrane to filter the small particles.

Abstract: An automated system and process for the titration of either Waste vegetable oil (WVO) or virgin vegetable oil during its chemical conversion into Biodiesel. A system capable of automatically measuring and controlling the addition of a suitable amount of titration fluid is controlled in reaction to a pH level measurement tool, as determined by sensors and software. The process comprises forming a single phase solution of WVO and titrant in a ratio of between 10:1 to 50:1.

Abstract: An antimicrobial method of treating wastewater and a wastewater antimicrobial dispenser containing an antimicrobial agent for treating a body of wastewater to kill microorganisms by increasing the concentration metal ions therein. The antimicrobial method includes the step of increasing the effectiveness of the biocidal component in the body of wastewater to thereby lessen the need for a supplemental biocide by adding a compound containing a hydantoin ring where the compound containing a hydantoin ring may or may not have any antimicrobial properties. The antimicrobial agent including a source of biocidal metal ions and a compound containing a hydantoin ring where the antimicrobial agent may be a powder, a liquid a solid or combinations thereof.

Abstract: A method and apparatus for combining multiple sources of intake water for use in hydraulic fracturing and other oil and gas drilling operations and treating the water with peracetic acid prior to discharging into one or more frac tanks or into a well. The apparatus includes a manifold assembly that combines water from multiple sources prior to entering a mixer where PAA is injected in a finely dispersed spray under pressure to thoroughly mix the PAA and intake water prior to be discharged into one or more frac tanks. By using a manifold assembly, the apparatus is easily transported to different job site-locations and permits the use of standard connection fittings to easily connect the apparatus to existing fracturing equipment. A method for injecting the PAA and testing and adjusting the level of PAA is also disclosed.

Abstract: An apparatus and methods for measuring the concentration of an additive are disclosed. The apparatus comprises a treatment stream (1) and a dosing stream (2). An additive is added to the dosing stream using a metering device (3). In some embodiments, the dosing stream is mixed after adding the additive using a first mixing device (4). Downstream from the metering device and the mixing device, the concentration of the additive in the dosing stream is measured using a monitor flow cell (5). In some embodiments, the dosing stream and treatment stream are combined (6) and mixed using a second mixing device (7). The concentration of the additive in the treatment stream can be calculated as a function of the volumetric flow rate ratio of the dosing stream to the treatment stream and the measured concentration of the additive in the dosing stream.

Abstract: A method and apparatus provide at least one region of pulsed fluid treatment within a fluid treatment chamber. The instant invention prevents the formation and accumulation of contaminants within conduits and on equipment utilized in the transportation, delivery and processing of fluid columns. It may also be utilized to accelerate the separation of oil and water and increase the efficiency of oil/water separation equipment.

Abstract: A mobile system for generating and dispensing a chemical includes a portable platform comprising a source of a gaseous chemical, the gaseous chemical forming a solution in water, and a fluid coupling through which the gaseous chemical is delivered to a body of water.

Abstract: A container for releasing a microbiocide component into a liquid composition susceptible to unwanted microbial growth (LCMG) includes a LCMG impermeable casing separate and apart from an internal combustion engine filter housing, and having a hollow interior and at least one opening. A microbiocide component, for example, at least one LCMG-soluble microbiocide, as the only active material located in the hollow interior. At least one liquid permeable element, for example, a membrane member, is provided at or near an opening in the casing and is effective to provide for release of microbiocide component into the LCMG. Methods of releasing microbiocide component into LCMGs are also provided.

Abstract: A continuous flow reactor, including a cylindrical coagulation crystallizer, a funnel type protective baffle for static settling, and a conical static settler. A lower end surface of the cylindrical coagulation crystallizer is connected with an upper end surface of the conical static settler, and the funnel type protective baffle for static settling is connected with an inner wall of the cylindrical coagulation crystallizer.

Abstract: Compositions and methods for remediation of contaminated materials, such as contaminated water, are provided. The composition may include at least one fermentable compound and at least one metal or metal containing compound to promote conversion of the contaminants into non-toxic substances through abiotic and/or biotic processes. The composition may further include sulfur or a sulfur containing compound, and/or microorganisms or derivative thereof.

Abstract: A modular assembly for a portable hemodialysis system may include a dialysis unit, e.g., that contains suitable components for performing hemodialysis, such as a dialyzer, one or more pumps to circulate blood through the dialyzer, a source of dialysate, and one or more pumps to circulate the dialysate through the dialyzer, and a power unit having a housing that contains suitable components for providing operating power to the pumps of the dialysis unit. The power unit may be selectively connected to the dialysis unit and provide power (e.g., pneumatic power in the form of pressure and/or vacuum) to the dialysis unit for the pumps when connected to the dialysis unit, but may be incapable of providing power to the dialysis unit when disconnected from the dialysis unit. The dialysis unit and the power unit are sized and weighted to each be carried by hand by a human.

Abstract: A method and treatment unit for removing particulate mercury from aqueous streams such as wastewater streams from hydrocarbon processing is disclosed. Mercury solids are removed by means of a surface filter configured in the shape of a bag. The separated solid mercury can be thickened and dewatered by removing the spent filter bag from service and allowing the water to drain and/or evaporate. The dewatered solids can then be disposed of together with the spent bag to an approved solid waste disposal facility. Coagulants, flocculants, and mercury precipitants can be injected upstream of the filter bag if required to increase removal efficiency by precipitating dissolved ionic mercury and increasing the particle size of the mercury solids. Following bag filtration, activated carbon or an alternative technology (e.g.

Abstract: A device is proposed for the UV disinfection of liquids in an open or closed channel, having an inflow for the liquid to be disinfected, at least one UV irradiator arranged downstream of the inflow in a main flow direction and also having an outflow arranged downstream of the UV irradiator, in which a mixing device, driven by an electric motor, is arranged between the inflow and the at least one UV irradiator, which mixing device is set up for generating a cross-flow having at least one velocity component transverse to the main flow direction in order to improve mixing of the liquid.

Abstract: A system for collecting, treating and disposing of waste fluid includes a station that features transfer, flushing and mixing pumps as well as a bowl that holds the waste fluid. The waste fluid is collected in a container mounted on a cart. The cart container connects to the station so that the waste fluid is transferred from the cart to the station bowl by the transfer pump. The flushing pump has an inlet that communicates with a source of water and a disinfectant dispenser. The flushing pump is used to flush both the cart container and the station bowl, the latter of which communicates with a drain system. The flushing pump also delivers disinfectant to the waste fluid in the station bowl. The inlet and outlet of the mixing pump communicate with the bowl so that it mixes the bowl contents. Buffer is provided to the circulating waste fluid until the pH level drops to a predetermined level.