Abstract: A water treatment system includes: a first vessel having adsorbent materials that form a filtering bed; a second vessel in fluid communication with the first vessel and which includes adsorbent materials that form a filtering bed; an underdrain collection system having ring headers formed below the first and second vessel; a liquid control system in fluid communication with the first vessel, the second vessel, and the underdrain collection system; adsorbent material influent lines; water wash-down lines; raw water lines; and adsorbent material effluent lines, each adsorbent material effluent line having an inlet attached to a bottom of the first or second vessel and an outlet that extends out from the first or second vessel and which is positioned above the ring headers of the underdrain collection system.

Abstract: Described herein are processes and apparatus for the high purity and high concentration recovery of multivalent products via continuous ion exchange from aqueous solutions for further down-stream purification.

Abstract: In an ion-exchange separation system, a single regeneration column provides for separation of anion and cation resins and the regeneration of both cation and anion resins with a very low level of cross-contamination. After regeneration most of the anion layer in the column is withdrawn, and most of the cation layer is withdrawn, but a portion of each layer adjacent to the interface between the layers remains in the column, to isolate these cross-contaminated portions from the regenerated resins. The withdrawn, regenerated anion and cation resins are placed back into the working vessel.

Abstract: The present disclosure relates generally to the treatment of water using biochar. More specifically, the treatment of flowback water from drilling operations such as hydraulic fracturing or the treatment of tailing water from tar sands production. Such treatment results in the reduction of various constituents such as metal ions, organic compounds and various metals to provide recycled water suitable for reuse or discharge.

Abstract: Disclosed herein is a radioactive cesium decontaminator, a method of producing a radioactive cesium decontaminator, and a method of removing radioactive cesium using the decontaminator. The radioactive cesium decontaminator is formed by agglomeration of primary particles. The primary particles have a magnetic particle as a core portion, a coating layer made of an organic material coating the magnetic particle, and a capturing compound made of ferrocyanide material formed on the coating layer. A cumulative diameter D50 of the decontaminator is in a range of from 2.0 ?m to 50 ?m, and a value of a cumulative diameter distribution (D90?D10)/D50 is less than 6. The decontaminator is made by adding a ferrocyanide aqueous solution and an aqueous solution containing at least one transition metal into a suspension liquid containing a precursor formed by magnetic particles coated with organic monomer or polymer while applying a strong shear force.

Abstract: Process for metering lead in a sample of original water, in which is placed a sample of the water of which at least a substantial portion of the colloidal and organic material is passed in solution (sample of pretreated water), having: a first stage, starting from a sample of pretreated water with an adjusted pH, the lead is concentrated and the other parasitic ions are at least partially eliminated to obtain a sample of water that is concentrated with lead and substantially lacking in other parasitic ions (sample of lead-concentrated water); and a second stage in which, starting from the sample of lead-concentrated water, the sample of lead-concentrated water is mixed with a selective, lead-sensitive fluorescent probe whose fluorescence intensity/lead metering function is known; then, the thus produced water/fluorescent probe mixture is excited by the light, and the fluorescence intensity of the thus excited water/fluorescent probe mixture is collected optically; finally, starting from the thus detected fluo

Abstract: Method of removing dissolved organic carbons from raw water, containing suspended and/or colloidal matter in a suspended ion exchange process, includes: feeding the water into a plug flow reactor at a rate of at least 500 m3/h, adding an anion exchange material to the liquid at the inlet of the reactor, suspending the anion exchange material in the water, transporting the water and the suspended anion exchange material under plug flow conditions to an outlet of the reactor after a predetermined residence time, feeding the water and the suspended anion exchange material to a separator and feeding treated water and anion exchange material from a reactor outlet to a separator, wherein the concentration of the anion exchange material in the reactor is smaller than 20 ml/l, and the residence time of the anion exchange material in the reactor is lower 30 minutes.

Abstract: The invention provides a process for separating a solution from magnetic resin portions, particles and/or fines by passing a solution containing the resin portions, particles and/or fines through a bed of particulate magnetic material.

Abstract: A system and method for providing mobile or temporary water treatment involving ion exchange resins includes a service center, one or more treatment vehicles, a resin transfer hub and one or more resin transport vehicles. The service center can be used to regenerate one or more types of ion exchange resins. The treatment vehicle carries water treatment equipment including a tank holding ion exchange resin. The resin transfer hub facilitates moving resin between a treatment vehicle and a resin transport vehicle. The resin transport vehicle is adapted for carrying resin by one or more of land, sea and air between the resin forwarding center and the service center. In operation, a treatment vehicle brings resin requiring regeneration to the resin transfer hub, where it is emptied and then re-filled with regenerated resin. Resin requiring regeneration is transferred to a resin transport vehicle for transport to the service center.

Abstract: Systems and methods for separating mine tailings from water-absorbing polymers and regenerating the separated water-absorbing polymers. The systems and methods include a separation assembly that is configured to receive an augmented mine tailings slurry that includes mine tailings, water, and a swollen water-absorbing polymer. The separation assembly separates the swollen water-absorbing polymer from the augmented mine tailings slurry to produce a dewatered mine tailings slurry. The systems and methods further include a water-absorbing polymer regeneration unit that is configured to receive the swollen water-absorbing polymer. The water-absorbing polymer regeneration unit at least partially releases water from the swollen water-absorbing polymer to produce a regenerated water-absorbing polymer, and as a separate output or product, the released water.

Abstract: A method for removal of a hydrocarbon substance floating on a body of water, in particular petroleum and/or its derivatives, characterized in that it envisages the use of greasy animal wool, with a fibre having a diameter greater than 25 ?m, to absorb said substance.

Abstract: A light weight oriented net or netting assembly is provided for oil capture and containment. The netting assembly is made by biaxially stretching or orienting starting materials to form a pattern of oriented strands and integral junctions that, while being light in weight, is also strong enough to be used to capture and remove oil from contaminated water without an outer stabilizing jacket. The assembly is preferably made from oriented polypropylene netting that is folded, gathered, bunched and/or otherwise layered upon itself on the order of 16-64 times and then crimped in one or more locations to secure the netting layers in a bow tie or tubular configuration that forms net cavities and an open cell structure to capture and contain oil that has been dispersed in water. Oil in the netting assembly can then be removed, such as by pressing or other removal process, after which the netting assembly may be reused.

Abstract: A process for separating a product from a multicomponent feedstream to an adsorption apparatus or system is described. The apparatus or system may comprise a moving-bed or a simulated moving-bed adsorption means. The product comprises at least one organic compound, such as an aryl compound with alkyl substitutes. In embodiments the conduits used to supply the feedstream to the apparatus or system are flushed with media of multiple grades. The improvement is a more efficient use of the desorbent. In embodiments the process achieves improvements in one or more of efficiency of adsorption separation, capacity of adsorption apparatus systems, and purity of product attainable by adsorption process.

Abstract: The present invention relates to a lithium recovery device comprising a separator reservoir and manganese oxide, a lithium recovery method using the same, and a lithium adsorption/desorption system. The separator reservoir includes a vacant space therein and an outer wall made of a polymer or a membrane of other useful materials. The manganese oxide is contained, as an adsorbent, in the vacant space inside the separator reservoir. The lithium adsorption/desorption system enables lithium recovery through adsorption and desorption of lithium dissolved in seawater using a lithium adsorbent prepared with the manganese oxide in one system, wherein the manganese oxide can be used as a lithium adsorbent with high lithium selectivity. The invention uses a separator reservoir including an outer wall made of a porous polymer or a membrane of other useful materials.

Abstract: Systems, methods, and devices for preparation of water for various uses including blood treatment are described. In embodiments, fluid is passed either by pump or passively by gravity feed, through various filtration elements from a fluid source to a treatment fluid container. The latter forms a batch that may be used during treatment. The advantage of forming the batch before treatment is that the rate of filtering needn't match the rate of consumption during treatment which provides multiple benefits and liabilities to overcome, as discussed herein. Mechanisms for preparing pure water for infusion or medicaments are described such as elimination of chlorine and colloidal aluminum. Also various control mechanisms to help avoid contamination are describe.

Abstract: The invention provides a system and process for separating residual magnetic resin from a liquid stream by passing the stream through or over permanent magnets located within the stream wherein the process also includes a means for releasing any resin retained by the permanent magnets and capturing the released resin.

Abstract: Embodiments of the invention provide a twin tank water treatment system and method. The water treatment system includes first tank with a first set of sensors and a first resin bed, a second tank with a second set of sensors and a second resin bed, and a valve assembly with a flow meter and a controller in communication with the first set of sensors, the second set of sensors, and the flow meter. The method includes determining when the resin beds are exhausted based on input from the flow meter, the sensors, and a water hardness setting.

Abstract: An apparatus for treating water, comprising an electrochemical cell; and at least one ion exchange container in fluid communication with said electrochemical cell.

Abstract: An apparatus and method for regenerating spent ion exchange resin is described. In one method, a fresh regenerant solution comprising sodium ions and chloride ions is prepared, and passed across spent cation exchange resin to regenerate the spent resin. To recover the spent regenerant solution, a regenerant treatment composition is added to the spent solution to form precipitate flocs, which are then separated out of the regenerant solution. The concentration of at least one of the sodium or chloride ions in the regenerant solution can also be adjusted to form fresh regenerant solution which can be reused.

Abstract: A valuable resource recovery system includes an engineered powder supply unit that supplies an engineered powder into drainage water (the engineered powder can adsorb a valuable resource and can be desorbed from the engineered powder), an agitation unit that agitates the drainage water supplied with the engineered powder, an engineered powder separation unit that separates the engineered powder from the drainage water agitated by the agitation unit, an engineered powder collection unit that collects the engineered powder separated by the engineered powder separation unit, and a desorption-recycle unit that desorbs the valuable resource from the engineered powder collected by the engineered powder collection unit to recycle the engineered powder and the valuable resource. According to the system, the valuable resource can be desorbed from the engineered powder and then recycled.

Abstract: Provided herein is a material for monitoring and/or treating the presence of contaminant organic compounds in water. The material is a matrix of fibers impregnated with one or more metal oxides.

Abstract: One exemplary embodiment can be an apparatus for isomerizing a hydrocarbon stream rich in a C4 hydrocarbon and/or at least one of a C5 and C6 hydrocarbon. The apparatus can include:a vessel containing a fluid including at least one reactant; a fluid transfer device receiving the fluid including at least one reactant from the vessel; at least one drier receiving the fluid including at least one reactant from the fluid transfer device; and a reactor communicating with the at least one drier to receive the fluid including at least one reactant. In addition, the at least one drier may communicate with the vessel at least by sending the fluid including at least one reactant or the regenerant through a fluid tapering device for at least one of regulating the flow and reducing the pressure of the regenerant to the vessel.

Abstract: One exemplary embodiment can be an apparatus for isomerizing a hydrocarbon stream rich in a C4 hydrocarbon and/or at least one of a C5 and C6 hydrocarbon. The apparatus can include: a first drier and a second drier adapted to receive a fluid including at least one reactant; and a reaction zone communicating with the first drier to receive the fluid including at least one reactant and with the second drier to receive the regenerant. Generally, the first drier operates at a first condition to dry the fluid including at least one reactant and the second drier operates at a second condition during regeneration with a regenerant. The regenerant can pass through a fluid tapering device for regulating the flow of the regenerant to the reaction zone.

Abstract: A ballasted sequencing batch reactor system for treating wastewater including one or more sequencing batch reactors. A weighting agent impregnation subsystem is configured to mix biological flocs and weighting agent to form weighted biological flocs. A weighting agent recovery subsystem is configured to recover weighting agent from the weighted biological flocs and reintroduce the recovered weighting agent to the weighting agent impregnation subsystem.

Abstract: An apparatus for removing a contaminant from a liquid includes a tension element extending along a length of the liquid and may be near a bottom of the liquid. A plurality of buoyant strips having a polymer defining an open-cell foam are attached to the tension element and extend to a surface of the liquid, with at least a portion of the strips floating on the surface. The polymer may include ethylene alkyl acrylate copolymer (e.g., 100% EMA copolymer).

Abstract: A low concentration wastewater treatment system is provided that includes a high flux adsorbent material treatment system integrated with a low flux adsorbent material biological regeneration reactor. The high flux adsorbent material treatment system includes one or more unit operations for mixing low concentration wastewater with adsorbent material that is fresh, recycled, or a combination of both, and for decanting a liquid effluent having a reduced level of contaminants. The adsorbent material with adsorbed contaminants is regenerated in a low flux adsorbent material biological regeneration reactor in which a biological reaction occurs, such as biological oxidation, wherein organic contaminants in the wastewater are metabolized generally into carbon dioxide and water. Excess biomass is removed from the adsorbent material, and the thus-regenerated adsorbent material is recycled to the high flux adsorbent material treatment system.

Abstract: An apparatus and method permit continuous separation of an adsorbate from a processing material containing solid particles, sticky substances and water-soluble proteins, alone or in combination, without pretreatment. The processing is carried out while a loop adsorbent is circulated. An adsorbate is adsorbed, not by supply of the processing solution through the adsorbent, but by contact thereof with the adsorbent. In addition, the adsorbent after desorption of the adsorbate is cleaned. As a result, the apparatus and the method achieve continuous processing and separation of the adsorbate even from a processing material containing solid particles, sticky substances and water-soluble proteins alone or in combination without pretreatment.

Abstract: A system and method for providing mobile or temporary water treatment involving ion exchange resins includes a service centre, one or more treatment vehicles, a resin transfer hub and one or more resin transport vehicles. The service centre can be used to regenerate one or more types of ion exchange resins. The treatment vehicle carries water treatment equipment including a tank holding ion exchange resin. The resin transfer hub facilitates moving resin between a treatment vehicle and a resin transport vehicle. The resin transport vehicle is adapted for carrying resin by one or more of land, sea and air between the resin forwarding centre and the service centre. In operation, a treatment vehicle brings resin requiring regeneration to the resin transfer hub, where it is emptied and then re-filled with regenerated resin. Resin requiring regeneration is transferred to a resin transport vehicle for transport to the service centre.

Abstract: A method for the treatment of a liquid. The method comprises contacting the liquid within a treatment zone with an adsorbent material, which is then electrochemically regenerated within a regeneration zone following contact with said liquid. A disinfectant precursor species is provided within the regeneration zone and then electrochemically converted to a disinfectant species which can then contact adsorbent material and/or liquid within the regeneration zone effecting in-situ disinfection and resulting in the presence of residual disinfectant species in the treated liquid. There is further provided apparatus for carrying out such a method.

Abstract: The present invention provides a method and a device for dewatering a hydraulic fluid of a hydraulic system, in particular in the aerospace sector, comprising a container which has a sorbent, a feed which supplies the hydraulic fluid from the hydraulic system to the container for the hydraulic fluid to be passed through the sorbent such that it can be dewatered in a dewatering mode of the device, and a return which returns the dewatered hydraulic fluid from the container to the hydraulic system in the dewatering mode of the device. The hydraulic fluid can be dewatered continuously and very efficiently by the method and the device according to the invention.

Abstract: An assembly capable of capturing and purifying expressed biological products during or at the end of a bioreaction cycle is disclosed wherein a binding resin is kept separated from the contents of the bioreactor allowing capturing, harvesting and purification of biological products in a bioreactor; the invention additionally provides means of removing undesirable metabolic products as well as provides for efficient loading of chromatography columns.

Abstract: Dissolved metals are removed from contaminated water by passing the water through a bed containing media bodies, preferably limestone bodies. Various contaminants carried by the water become associated with the media bodies, thereby inhibiting water flow. The media bodies are rehabilitated by using an excavator, loader, or other machine to scoop them into a bucket having a peripheral wall including a sieve, immersing the container into a liquid held in a wash pit, rotating the bucket so that contaminants abraded from the bodies fall through the sieve into the pit, removing the container from the liquid, and dumping the rehabilitated media bodies from the bucket. When the media bodies have filtered mine drainage containing a particular dissolved metal such as manganese or iron for example, a residue remaining in the basin is a rich source of metal compounds that can be recovered for economic use.

Abstract: A system and method is provided for removing organic matter from water. The method includes contacting the water with a powdered material with an anionic or cationic surface charge and having a particle size of between 0.1 mm and 2 mm. The powdered material is a modified product of natural origin. The system and method also provides for the regeneration of the powdered material in situ and reused.

Abstract: Methods and apparatus relate to treatment of fluids to remove mercury contaminants in the fluid. Contact of the fluid with active outer surfaces of particles magnetically separable from the fluid loads the particles with the mercury contaminants. Magnetic separation then removes from the fluid the particles loaded with the mercury contaminants such that a treated product remains.

Abstract: The present invention provides a multiple bed-type condensate demineralization method and apparatus for the method that are able to provide an improved treated water quality in ammonia operation by substantially reducing the cross contamination ratio during resin regeneration from the current cross contamination ratio. In the method of condensate demineralization using ion-exchange resin in a multiple-bed regime, condensate is passed through a resin layer having a multiple-bed structure in which an anion resin layer and a layer of a uniform particle size strong acid gel-type cation resin with a 10% to 16% degree of crosslinking, divided by a partition in such a manner that they do not mix with each other, are combined in alternation.

Abstract: A treatment method of organic compounds included in waste water, comprising the steps of: supplying waste water to an adsorber 2 filled with an adsorbent 3 therein for adsorbing the organic compounds in the waste water by the adsorbent 3 in the adsorber 2, supplying a current between an anode 9 and a cathode 8 in water including an electrolyte in an electrolyzer 6 for electrolyzing the water including an electrolyte, and supplying an electrolyte resulting from electrolysis in the electrolyzer 6 to the adsorbent 3 in the adsorber 2 for contacting the electrolyte with the adsorbent 3, so that the organic compounds adsorbed by the adsorbent 3 are desorbed or decomposed.

Abstract: A dialysate regeneration chamber is provided. In one embodiment, the dialysate regeneration chamber may include a toxin trap configured to selectively trap toxins and repel select cations.

Abstract: Systems, apparatus and methods for treating a contaminated fluid stream are provided. The systems may include a treatment column fluidly interconnected to a regeneration column, the regeneration column being adapted to continuously receive solid spent media from the treatment column to continuously regenerate such solid spent media.

Abstract: Hydrogen generator coupled to or integrated with a fuel cell for portable power applications. Hydrogen is produced via thermocatalytic decomposition (cracking, pyrolysis) of hydrocarbon fuels in oxidant-free environment. The apparatus can utilize a variety of hydrocarbon fuels, including natural gas, propane, gasoline, kerosene, diesel fuel, crude oil (including sulfurous fuels). The hydrogen-rich gas produced is free of carbon oxides or other reactive impurities, so it could be directly fed to any type of a fuel cell. The catalysts for hydrogen production in the apparatus are carbon-based or metal-based materials and doped, if necessary, with a sulfur-capturing agent. Additionally disclosed are two novel processes for the production of two types of carbon filaments, and a novel filamentous carbon product.

Abstract: Methods and apparatus relate to treatment of fluids to remove mercury contaminants in the fluid. Contact of the fluid with active outer surfaces of particles magnetically separable from the fluid loads the particles with the mercury contaminants. Magnetic separation then removes from the fluid the particles loaded with the mercury contaminants such that a treated product remains.

Abstract: An apparatus and method for electrochemically modifying the retention of a species on a chromatography material is disclosed. The apparatus comprises a housing having an effluent flow channel adapted to permit fluid flow therethrough. The effluent flow channel comprises chromatography material. The apparatus further comprises first and second electrodes positioned such that at least a portion of the chromatography material is disposed between the first and second electrodes, and fluid flow through the apparatus is between, and in contact with, the first and second electrodes.

Abstract: A method for continuously eliminating foreign matter, may have the following steps: a) through-flow of a reactor with waste water in a flow direction, b) adding of magnetic or magnetizable particles to a feeding point in the reactor, wherein at least one foreign matter is attached to the particles, c) separating of particles charged with foreign matter to another spot in the reactor, located opposite the feeding point in the downward flow direction by applying a magnetic field to the water flow for the transport of particles into a collecting area connected fluidic with the reactor and d) separating of the particles and the foreign matter connected to the particles from each other. A device may have a reactor receiving waste water polluted with pollutants, a collecting area for polluted magnetic or magnetizable particles, and may produce a magnetic field, transporting the particles into the collecting area.

Abstract: The present disclosure is directed towards systems and methods for the treatment of wastewater. A system in accordance with one particular embodiment may include at least one resin tank including an ion exchange resin configured to target a particular metal. The at least one resin tank may be configured to receive an output from an oxidation reactor configured to receive a flow of wastewater from a wastewater producing process. The system may further include a vacuum filter band system configured to receive a saturated resin tank and to apply a water rinse to the resin to generate a resin slurry, the vacuum filter band system including a vacuum filter band configured to receive the resin slurry. Numerous other embodiments are also within the scope of the present disclosure.

Abstract: The present invention provides methods and equipments for demineralizing condensate, aiming at achieving high-purity effluent quality with a low concentration of sulfate ions derived from organic impurities leaching from cation resins in the condensate treatment by condensate demineralizers in nuclear power plants. The present invention relates to a condensate demineralizer for demineralizing condensate in a nuclear power plant, comprising a mixed bed of a strongly acidic gel-type cation exchange resin and a uniform particle size strongly basic porous anion exchange resin.

Abstract: Dissolved metals are removed from contaminated water by passing the water through a bed containing media bodies, preferably limestone bodies. Various contaminants carried by the water become associated with the media bodies, thereby inhibiting water flow. The media bodies are rehabilitated by using an excavator, loader, or other machine to scoop them into a bucket having a peripheral wall including a sieve, immersing the container into a liquid held in a wash pit, rotating the bucket so that contaminants abraded from the bodies fall through the sieve into the pit, removing the container from the liquid, and dumping the rehabilitated media bodies from the bucket. When the media bodies have filtered mine drainage containing a particular dissolved metal such as manganese or iron for example, a residue remaining in the basin is a rich source of metal compounds that can be recovered for economic use.

Abstract: In the washing process of the invention, the solid particles in a high-concentration zone, which is formed in a washing tank by a gravitational sedimentation of solid particles, are continuously washed by a counter-current contact with upward flow of a washing liquid which is fed from the bottom portion of the washing tank. With this process, the impurities in the solid particles are sufficiently removed by a simple apparatus. Since the used washing liquid can be recycled as the disperse medium for feeding the solid particles and as the washing liquid, the amount of used washing liquid to be discharged as the waste from the system is reduced.

Abstract: A power generating system including a working fluid circuit. The power generating system includes a condenser system in the working fluid circuit and a condensate polisher circuit. The condenser system receives a working fluid that includes steam or a combination of water and steam and condenses at least a portion of the working fluid into a condensate. The condensate has a temperature above a predetermined upper operating temperature. The condensate polisher circuit is branched off from the working fluid circuit and receives and treats said condensate from the working fluid circuit and returns treated condensate to the working fluid circuit. The condensate polisher circuit includes a heat exchanger that reduces the temperature of the condensate at least to the upper operating temperature and a condensate polisher that removes contaminants from the condensate to bring the condensate to a predetermined purity.

Abstract: This is a method that is an environmentally friendly hybrid microbiological control compromising a physical method through fine filtration, which removes nutrients, bacteria and suspended solids from open recirculating cooling systems. The method for microbiological control in cooling systems wherein a recirculating fluid containing an oxidising or a non-oxidising biocide or a mixture of an oxidising and a non-oxidising biocide and is passed through a fine filtration system resulting in reduced microbiological matter, suspended solids and nutrients.

Abstract: A system and method is provided for removing organic matter from water. The method includes contacting the water with a powdered material with an anionic or cationic surface charge and having a particle size of between 0.1 mm and 2 mm. The powdered material is a modified product of natural origin. The system and method also provides for the regeneration of the powdered material in situ and reused.

Abstract: A method of preparing a solid material based on tangled nanotubes and/or nanofibres, includes a step of growing carbon nanofibres and/or nanotubes with restraint in a contained reactor; and the materials thus obtained. The different uses of the materials are also disclosed.