| Entries |
| Document | Title | Date |
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| 20080210635 | Process and system for removal of contaminants from industrial streams - A method and system for removing from an aqueous system which is contaminated therewith: (1) mercury present as colloids, ions and/or organically bound compounds, and (2) hydrocarbons solubilized, dispersed, and/or emulsified in the said system. Pursuant to the invention the aqueous system to be treated (such as “produced water”) is passed successively through three filtration stages. The first filtration stage is provided with absorption media which effects reduction/removal of dispersed organically bound mercury species and of the dispersed and partially dissolved hydrocarbon phases, as well as of some colloidal mercury and other dissolved metallic species. The second filtration stage utilizes a salt modified reticulated granular filtration media for reduction/removal of slightly dissolved hydrocarbon phases, mercury in colloidal and ionic form and other dissolved metals. The third filtration stage is a polishing stage, which serves to further reduce by electroless or voltaic reduction residual elemental mercury and/or residual colloidal and ionic mercury. At this third stage metallic mercury is incorporated into a metallic matrix from which the mercury may preferably be recovered. | 09-04-2008 |
| 20080264866 | Continuous Fluid Treatment System - 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. | 10-30-2008 |
| 20080296227 | BRING YOUR OWN WATER TREATMENT SYSTEM - A method and apparatus for filtering a fluid is presented. In one embodiment, the apparatus converts contaminated water into water having a lower turbidity and bacterial contamination level than the contaminated water. The apparatus includes an inlet for supplying a batch of water to the settling unit; a roughing separator unit; a filter unit having a filtration media; wherein the filtration media comprises sand, anthracite coal, burnt rice husks, diatomaceous earth, gravel, pumice gravel, or combinations thereof; a sanitation unit; wherein the sanitation unit is an ultraviolet disinfection unit; a backwash unit; wherein the inlet is in fluid communications with the settling unit, the settling unit is in fluid communications with the filter unit and the backwash unit, the backwash unit is in fluid communications with the filter unit, and the filter unit is in fluid communications with the sanitation unit; and wherein at least the inlet and a portion of the settling unit is elevated above a filter unit inlet and a filter unit outlet. | 12-04-2008 |
| 20090120880 | Process for Preparing Magnetic Particles for Selectively Removing Contaminants from Solution - A process for selectively removing contaminant ions from a solution includes:
| 05-14-2009 |
| 20090184053 | Water Treatment Method and Apparatus - A method of manufacturing a water treatment apparatus having one or more chambers comprising the step of: filling at least one chamber with ion exchanger resin; wherein at least one ion exchanger resin is dry. Preferably, the dry ion exchange resin has a water content of 0-40 wt %, preferably 0-20 wt %, and more preferably 0-10 wt %, such that the volume of the dry ion exchange resin is 25-50 vol % less than the volume of the same ion exchange resin in a moist or wetted form. One form of suitable water treatment apparatus is an EDI apparatus comprising a plurality of chambers to form a stack, for the purification of the water. The present invention provides an easier method of filling of chambers compared with the use of wetted or moist resins, and ‘over filling’ of the cells of water treatment apparatus. | 07-23-2009 |
| 20090188870 | Uses of Fibrillated Nanofibers and the Removal of Soluble, Colloidal, and Insoluble Particles from a Fluid - A filter for removing soluble, colloidal, and insoluble particles from a fluid, including lead using a first filter media for filtering soluble material from the fluid, a second filter media, adjacent and in fluid communication with, the first filter media, for filtering soluble material from said fluid, wherein the first and second filter media create a physical non-soluble particle barrier at their interface for capturing non-soluble particles, that when retained at the interface, become soluble over time in the fluid, and are subsequently removed by the second filter media. At least one of the filter media can be fibrillated nanofibers that are loaded with finely subdivided media of powdered ion exchange resins. A third filter media may be placed between the first and second filter media to enhance capturing and dissolving the physical non-soluble particles. | 07-30-2009 |
| 20090236287 | WATER POLISHING PROCESS - 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. | 09-24-2009 |
| 20090308813 | Non-recirculating, self-sanitizing carbon filter system - A method and apparatus are provided for the non-recirculating self-sanitization of a carbon filter ( | 12-17-2009 |
| 20090314717 | OIL-ADSORBING PARTICLE COMPOSITE AND WATER-TREATMENT METHOD USING THE SAME - An oil-adsorbing particle composite and a water-treatment method using the same are provided. The particle composite is capable of selectively adsorbing contaminants such as oils contained in industrial and household wastewaters. The water-treatment method is capable of eliminating contaminants from the wastewater using the composite. The particle composite includes water-insoluble organic polymer particles, magnetic particles and a resin binder, the resin binder bonding the polymer particles and the magnetic particles. The polymer particles have an oil-adsorbing characteristic. The magnetic particles have a magnetic characteristic for a rapid collection of the composite using magnetic forces. The method includes dispersing the particle composite in contaminant-containing water, making the particle composite adsorb contaminants to separate the particle composite from the water after the adsorbing. | 12-24-2009 |
| 20100089833 | System and Method of Filtering Metalworking Fluid - A system and method of filtering metalworking fluid is disclosed. A particle filter is provided in fluid communication with a sump of machining equipment to filter particles from a metalworking fluid. The metalworking fluid is filtered using the particle filter to remove metal filings and debris from the metalworking fluid. A tramp oil filter is provided in fluid communication with the particle filter to remove tramp oil, wherein the tramp oil filter includes hydrophobic material to absorb oil. The oil-free metalworking fluid may then be re-circulated back to the machining equipment. | 04-15-2010 |
| 20100116747 | METHOD FOR MAGNETICALLY SUPPORTED EXTRACTION - A method for magnetically assisted extraction of a target substance from an aqueous solution containing a plurality components includes mixing a surfactant and functional magnetic particles having affinity for the target substance into the aqueous solution containing the target substance so as to bind the target substance to the functional magnetic particles and form a particle-containing single-phase aqueous surfactant solution. The particle-containing single-phase aqueous surfactant solution is transitioned to a two-phase state, a first particle- and surfactant-containing disperse phase being formed within a surrounding second phase. The first particle- and surfactant-containing disperse phase and the surrounding second phase are separated using a magnetic field. The first particle- and surfactant-containing disperse phase are separated. | 05-13-2010 |
| 20100140177 | FLUID PROCESSING SYSTEM - A fluid processing system comprising a housing ( | 06-10-2010 |
| 20100155335 | MAGNETIC FILTRATION PROCESS, MAGNETIC FILTERING MATERIAL, AND METHODS OF FORMING MAGNETIC FILTERING MATERIAL - The present invention provides magnetically responsive activated carbon, and a method of forming magnetically responsive activated carbon. The method of forming magnetically responsive activated carbon typically includes providing activated carbon in a solution containing ions of ferrite forming elements, wherein at least one of the ferrite forming elements has an oxidation state of +3 and at least a second of the ferrite forming elements has an oxidation state of +2, and increasing pH of the solution to precipitate particles of ferrite that bond to the activated carbon, wherein the activated carbon having the ferrite particles bonded thereto have a positive magnetic susceptibility. The present invention also provides a method of filtering waste water using magnetic activated carbon. | 06-24-2010 |
| 20100163492 | SYSTEMS AND METHODS OF HARDSCAPE WATER COLLECTION - A method for processing water, including, collecting contaminated water from a first water collection site; collecting contaminated water from a second water collection site; transferring the contaminated water collected from the first and second water collection sites to a water treatment site; and processing the contaminated water to produce a processed water. Also, a system for processing rainwater, the system including a separation unit configured to receive a flow of rainwater from hardscape; a storage tank in fluid communication with the separation unit; a primary filtration unit in fluid communication with the storage tank; a secondary filtration unit in fluid communication with the primary filtration unit; an adsorption unit in fluid communication with the secondary filtration unit; and a disinfection unit in fluid communication with the adsorption unit. | 07-01-2010 |
| 20100219131 | Water purification apparatus and system - The invention relates to a two-stage design for a water purification system, with water to be purified first passing through a first stage containing particulate filtration media, and a second stage containing a porous filtration block. The particulate filtration media can be the same as, or different from, material included in the porous block. Either material may be any material that removes contaminants from water by, e.g., absorption, adsorption, ion exchange, sequestration, or other mechanism, or any combination of these. | 09-02-2010 |
| 20100230356 | COMPOSITIONS FOR FLUID REHABILITATION AND APPARATUSES AND METHODS FOR USING SAME - A composition of matter for rehabilitating a fluidic substance, comprising: a) at least one decolorizing ingredient constituting at least 58% by volume of the whole composition; and, b) at least one acidity reducing ingredient constituting at least 5% by volume of the whole composition. | 09-16-2010 |
| 20100243568 | Method of Sorbing Discolored Organic Compounds from Water - Discolored organic compounds (DOC) may be extracted from a medium using a sorbent composition derived by sulfidation of red mud, which contains hydrated ferric oxides derived from the Bayer processing of bauxitic ores. In some aspects, the sorbent composition is slurried with the medium. In other aspects, the sorbent composition is formed into pellets or the like, which are contacted with the medium. The red mud (along with adsorbed contaminants) is then separated from the water using any suitable technique, such as filtration, sedimentation, or centrifugation. | 09-30-2010 |
| 20100300973 | METHOD FOR DESALINATION OF SEAWATER - A method and an apparatus for the modification of seawater, brine, or alike, to render it suitable for irrigation, industrial use, or for further treatment in a drinking water purification plant, as well as to extract desired substances from brines, such as boron, and to clear waste from mining processes, by reducing environment endangering contaminants, like petroleum hydro-carbons, or radioactive substances, as well as inactivating microorganisms and virus in biosolids, by means of exposing the substances to high-intensity macrosound, i.e., alternating mechanical energy radiation at (ultra-) sonic frequencies. The treatment enhances the separation of salt, or/and other desired materials, from the water, and activates in situ the adsorption of the materials on sorbefacient substances supplied to the desalination process in form of dust of pulverized, liquefied, or vaporized substances, or by elements (of walls) of treatment chambers, or filters. The separation of the adsorption material together with the adsorbed salt, or/and any other extract from the liquid, is accomplished by common techniques, such as sedimentation, decanter, filter, or (electrostatic) separator. | 12-02-2010 |
| 20100320150 | LIQUID FILTRATION - Contaminated water is filtered by passing through a mat formed from strips of material arranged side by side and connected at spaced positions longitudinally to define a honeycomb structure with top and bottom surfaces of the mat defined by edges of the strips with the top and bottom edges covered by cover sheet bonded to the edges of the strips. At least some of the cells are at least partly filled with a particulate water filtration medium such as zeolite. | 12-23-2010 |
| 20110006008 | Apparatus and Process for the Separation of Solids and Liquids - A filter column apparatus comprising a filtration zone and a reslurry zone. These zones are separated by a barrier wall or are in substantial cooperation with each other. Also disclosed is a process for separating at least a portion of at least one substantially solid component from a solid-liquid stream comprising the substantially solid component and at least one substantially liquid component. Also disclosed is a process for forming a substantially solids containing packed bed. Also disclosed is a process for purifying paraxylene in a filtration zone. | 01-13-2011 |
| 20110139719 | Magnetic particles and method for producing thereof - The invention provides a magnetic particle which can immobilize the intended substance easily and efficiently; and a method for producing thereof. The invention relates to a magnetic particle, comprising an aggregate which comprises a magnetic substance and a compound having an alkyl group, and a gel layer which covers the aggregate, in which the gel layer has a hydrophilic group. | 06-16-2011 |
| 20110155669 | METHOD FOR TRACE PHOSPHATE REMOVAL FROM WATER USING COMPOSITE RESIN - The invention discloses a novel method for trace phosphate removal from water by using a composite resin. Firstly, adjusting the pH value of the raw water to 5.0˜9.0 and prefiltering the water, then leading the filtrate through an absorption tower packed with the composite resin, the trace phosphate in the water is therefore absorbed onto the composite resin; stopping the absorption run when it reaches the leakage point, using a binary NaOH-NaCl solution as the regenerant of the exhausted sorbent, followed by rinsing the composite resin-filled absorption tower with saturated carbon dioxide solution to regenerate the resin. In this invention, a composite resin with nanosized hydrated ferric oxide (HFO) or hydrous manganese dioxide (HMO) particles loaded on its surface is adopted as the absorbent for enhanced phosphate removal from water. A significant decrease of phosphate content in the effluent from this treatment system is found from 0.05-20 ppm to less than 20 ppb (calculated in P), despite of the coexisting competing anions as sulfate, chloride, and hydrocarbonate at much higher molar concentrations than phosphate. This invention is characteristic of large treatment capacity and efficient regeneration for repeated use of the absorbent. | 06-30-2011 |
| 20110168635 | METHOD FOR REMOVING IMPURITIES FROM BIOPOLYMER MATERIAL - The present invention relates to a method for removing impurities from biopolymer material, e.g. polysaccharides, polypeptides or polynucleotides. More particularly, the present invention provides a method of reducing lipopolysaccharide levels in a lipopolysaccharide containing biopolymer material, comprising the successive steps of: a) providing an aqueous solution containing 0.05-50 wt. % of dissolved lipopolysaccharide-containing biopolymer material; 0.001-10 wt.% of a surfactant; 0.05-15 wt. % of solid adsorbent; and at least 50 wt. % of water; b) allowing the adsorbent to adsorb lipopolysaccharides; c) separating the solid adsorbent containing adsorbed lipopolysaccharides from the remaining aqueous solution; and d) recovering the biopolymer material containing a reduced level of lipopolysaccharide from the separated aqueous solution. | 07-14-2011 |
| 20110174738 | METHODS OF SYNTHESIZING CARBON-MAGNETITE NANOCOMPOSITES FROM RENEWABLE RESOURCE MATERIALS AND APPLICATION OF SAME - A method of synthesizing carbon-magnetite nanocomposites. In one embodiment, the method includes the steps of (a) dissolving a first amount of an alkali salt of lignosulfonate in water to form a first solution, (b) heating the first solution to a first temperature, (c) adding a second amount of iron sulfate (FeSO | 07-21-2011 |
| 20110192800 | MAGNETIC-CORED DENDRIMER, THE METHOD FOR PREPARING THE SAME, AND THE CONTAMINANT TREATMENT METHOD USING THE SAME - Provided is a magnetic-cored dendrimer represented by the following Chemical Formula (1): | 08-11-2011 |
| 20110198292 | DESALINATION OF WATER - A method and apparatus is provided for use in desalinating water. A desalination processes uses a polymer material to bind sodium (Na) and chlorine (Cl) ions in salt water. Once the polymer binds to the sodium and chlorine ions, they can be separated from the water. Once separated from the water, the sodium and chlorine molecules can be separated from the polymer, and the polymer reused in subsequent desalination cycles. | 08-18-2011 |
| 20110303609 | WASTEWATER TREATMENT SYSTEM AND METHOD FOR REMOVAL OF CONTAMINANTS VIA MIXED METAL OXIDE BEDS - The instant disclosure relates to methods, systems, and apparatus for polishing wastewater (i.e. non-potable water) using filtration media. More particularly, the instant disclosure relates to wastewater polishing using a bed of mixed metal oxides under certain operating conditions to remove a plurality of contaminants from a wastewater stream. | 12-15-2011 |
| 20110303610 | VESSEL AND METHOD FOR TRAPPING A SUBSTANCE - The present invention provides a vessel with a textured inner surface and methods of using the vessel to trap aggregated substances. The vessel facilitates the separation of the substance from surrounding media. The present invention relates to vessels with a textured inner surface and methods of using such vessels for the separation of a trapped aggregated target substance from a media containing one or more other substances. | 12-15-2011 |
| 20110309022 | OIL RECOVERY SYSTEM AND METHOD - A system and method for recovering oil/water compositions from waterways and wetlands and for separating oil and water from one another. The system includes a plurality of polymeric sorbent articles for collection of oil/water compositions from waterways or wetlands. A centrifuge treatment system having a centrifuge housing, a cover and a rotatable basket is configured for receiving the plurality polymer sorbent articles containing oil/water compositions for removal of oil/water compositions therefrom. Fluids extracted from the sorbent materials are collected in a collection tank in flow communication with an annular area of the centrifuge. A centrifugal oil/water separation unit is provided for essentially continuous separation of oil and water from one another with an efficiency of at least 97%. The system optionally includes a polishing unit for treatment of the water to provide substantially hydrocarbon free water. | 12-22-2011 |
| 20120012529 | WATER PRETREATMENT UNIT USING A FLUORINATED LIQUID - A unit for pretreating water by heat and/or ion treatment. It provides a pretreatment unit including a direct contact heat and/or ion exchanger having a continuous or dispersed phase that includes a fluorinated liquid that is not miscible with water with a density of more than 1.25. | 01-19-2012 |
| 20120018382 | LIQUID PURIFICATION USING MAGNETIC NANOPARTICLES - Disclosed are magnetic nanoparticles and methods of using magnetic nanoparticles for selectively removing biologics, small molecules, analytes, ions, or other molecules of interest from liquids. | 01-26-2012 |
| 20120168381 | Enhanced Clarification Media - Media and devices, such as depth filters including such media, wherein the media is impregnated with a polymer such as a polyallylamine. The resulting device offers strong binding of protein impurities and superior removal of host cell proteins from biological samples. | 07-05-2012 |
| 20120168382 | Enhanced Clarification Media - Media and devices, such as nitrocellulose-based filters, wherein the media is coated with a polymer such as a polyallylamine. The resulting device offers strong binding of protein impurities and superior removal of host cell proteins from biological samples. | 07-05-2012 |
| 20120175307 | Multi-layered macromolecules and methods for their use - Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of such compositions, and methods for their uses in a multitude of end use applications ranging from the purification of waste chemical and metal process streams to the separation and identification of proteins, peptides, and oligionucleotides. | 07-12-2012 |
| 20120234763 | Regenerable Filter Unit, Regenerable Filter System Including The Same, And Method Of Operating Regenerable Filter System - A filter unit may include an electrode structure, a fluid-purifying flow path, and a pH adjusting chamber. The electrode structure may include a cathode, a cation exchange membrane, an anion exchange membrane, and an anode in that order. The fluid-purifying flow path may be at least one of a path in the cathode, between the cathode and the cation exchange membrane, between the anion exchange membrane and the anode, and in the anode. The fluid-purifying flow path may include an adsorption function. The pH adjusting chamber may be between the cation exchange membrane and the anion exchange membrane. The pH adjusting chamber may be configured to control the pH of the fluid in the fluid-purifying flow path. | 09-20-2012 |
| 20120248041 | POLYMER COMPOSITE, WATER-TREATMENT METHOD USING THE SAME AND MANUFACTURING METHOD OF THE SAME - A polymer composite is provided for a water treatment. The polymer composite with excellent workability is capable of adsorbing impurities in water, being rapidly separated from the water using magnetic forces. The polymer composite includes secondary aggregates. The secondary aggregates are formed of clumped particles, the particles being magnetic particles covered with a polymer. The polymer composite has porous structures suitable for adsorbing underwater impurities. | 10-04-2012 |
| 20120267310 | E-BEAM TECHNOLOGY FOR WATER TREATMENT - The present invention concerns a method of using Electron-beam technology to remove recalcitrant organic matter and/or volatile organic compounds from a target water sample or other fluid samples. A fluid is directed into a first vessel; and a beam of electrons from an electron beam generator is used to irradiate the fluid. Specifically, once the water is loaded into a first vessel and the organic contaminants are absorbed to saturation levels, a control sensor initiates influent water to be directed to a second vessel while the first vessel is isolated and desorbed using an energy means such as heat or microwave. The desorbed materials are directed through a common manifold containing an E-beam. The E-beam is then used to destroy organic matter desorbed from the first vessel. VOCs may be treated in this way as well, or they may be treated directly without first sorbing and desorbing prior to irradiation. | 10-25-2012 |
| 20130032541 | SULFOLANE REMOVAL SYSTEM - Sulfolane is removed from contaminated groundwater by passing the contaminated groundwater through a filtration system to form purified water having drinking water quality. The filtration system includes untreated activated carbon having no biological remediation component. The filtration system may be a point-of-entry system designed for use in a residential location, and includes one or more primary carbon adsorption tanks and at least one secondary carbon adsorption tank. The primary carbon adsorption tank(s) and secondary carbon adsorption tank are charged with granular activated carbon. The filtration system optionally includes a sediment filter and a water softener. | 02-07-2013 |
| 20130105397 | MAGNETIC DYE-ADSORBENT CATALYST | 05-02-2013 |
| 20130118984 | PROCESS AND SYSTEM FOR TREATING WATER - A process for producing ultrapure water, in which a stream of water is purified in a reverse osmosis device, wherein the water stream is subject to pretreatment including splitting the water stream into at least two partial streams, partial exchange of cations present in at least one of the partial streams for H | 05-16-2013 |
| 20130126434 | WATER DESALINATION APPARATUS AND METHOD - A desalination apparatus is disclosed which uses a salt sponge unit to remove a majority of salt from water. A parallel plate capacitor can be connected after the salt sponge to remove remaining salt ions. The salt sponge is a nanoporous, high surface area carbon scaffold to which crown ethers are attached. A power supply is connected to the salt sponges for applying a bias voltage to regenerate the salt sponges. A chlorine treatment unit can be connected after the parallel plate capacitor. A method of purifying sea water using the apparatus also is disclosed. | 05-23-2013 |
| 20130168317 | METHOD AND APPARATUS FOR REMOVAL OF TARS, RESINS, CHARS OR VOLATILES FROM A LIQUID - The invention is a method and apparatus for processing tarry or resinous liquid suspensions derived from gasification, pyrolysis or drying of biomass. The suspensions are processed by a horizontal axis centrifuge having a discharge chamber containing a scraper to prevent centrifuge clogging or fouling, a volatiles exhaust system utilizing suction, and a means to isolate the gas and light solids radially of the inner liquid surface and thereby enabling the gas and light solids to be extracted continuously to a location outside the centrifuge bowl. The removed tar, char and volatiles can be used as fuel or recycled as feedstock. Polymers can be added prior to centrifugation to assist in solids/liquids separation. Tar, resin, char or volatiles depleted wet scrubber liquid can be recycled for further use or easily treated prior to disposal. | 07-04-2013 |
| 20130200000 | METHODS FOR TREATING WASTE WATERS USING SULFIDIZED RED MUD SORBENTS - Sorbents prepared according to the invention useful in remediation of polluted effluents including waste waters and other fluids such as air, the invention is particularly directed to use of sulfidized red muds in treatment of sanitary waste waters to substantially remove or reduce bacterial levels such as fecal coliform as well as phosphates and total dissolved solids (TDS). The sulfidized red mud sorbents of the invention are derived by sulfidation of red mud, a waste product of Bayer processing of bauxite ores, red muds being sulfidized by reaction with sulfidizing agents including H | 08-08-2013 |
| 20130220932 | METHOD FOR FILTERING WATER IN AN AQUARIUM; FILTRATION UNIT AND REPLACEMENT KIT FOR PERFORMING SAID METHOD - A method is described that is particularly effective for the filtration of an aquarium by means of a filtration unit wherein a cartridge containing activated carbon is cyclically replaced by a cartridge containing material for the removal of nitrate and/or phosphate ions. A plurality of mechanical filters may also be alternately replaced, so that a colony of nitrifying bacteria is always preserved on one of the filters. Also described is a filtration unit that allows the application of the method and a replacement kit containing both the cartridge containing activated carbon and the cartridge containing material for the removal of nitrate and/or phosphate ions, and preferably also one of the mechanical filters. | 08-29-2013 |
| 20130220933 | APPARATUS FOR THE USE OF NANOPARTICLES IN REMOVING CHEMICALS FROM AQUEOUS SOLUTIONS WITH SUBSEQUENT WATER PURIFICATION - An apparatus for removing target chemicals from water includes a reaction chamber, a source of an aqueous solution of the target chemicals that can be supplied on demand to the reaction chamber, a timer that times a reaction between the particles and the target chemicals such that a concentration of the target chemicals in the aqueous solution reaches a predetermined low level in a desired time, and elements for removing the aqueous phase from the reactor while keeping the particles entrained inside the reactor using a microfilter configured to be back flushed, adding aqueous solution to the reactor from the source and continuing cycles until the particles are saturated, removing and replacing the particles in a final cycle of a particle charge lifetime, and recovering the target chemicals from the particles such that the particles can be reused. | 08-29-2013 |
| 20130299429 | WASTEWATER TREATMENT PROCESS - A method for processing fines materials generated as a by-product from the screening and washing of sand and gravel includes the steps of drying, pelletising and firing the fines materials to produce a ceramic material in the form of porous pellets which have enhanced properties for the removal of phosphorus and pathogens from wastewater. | 11-14-2013 |
| 20130313199 | SYSTEM AND METHOD FOR TREATMENT OF PRODUCED WATERS - The systems and methods disclosed herein process produced/flowback water, such as high total dissolved solids produced water, to generate high purity, high value products with little to no waste. The generated high purity, high value products include caustic soda, hydrochloric acid, and/or sodium hypochlorite. Further, the methods and systems disclosed herein generate high quality brine for electrolysis through the systematic removal of contaminants such as but not limited to suspended solids, iron, sulfides, barium, radium, strontium, calcium, magnesium, manganese, fluoride, heavy metals, organic carbon, recoverable hydrocarbons, silica, lithium, and/or nitrogen containing compounds. Further, some products generated by the systems and methods disclosed herein may be recovered and reutilized or sold for other uses, such as carbon dioxide, calcium oxide, chlorine, magnesium oxide, calcium carbonate, and barium sulfate. | 11-28-2013 |
| 20130341279 | IONIZATION METHOD, MASS SPECTROMETRY METHOD, EXTRACTION METHOD, AND PURIFICATION METHOD - To achieve soft ionization more easily when a slight amount of substance is ionized under an atmosphere pressure. An ionization method for a substance contained in a liquid, including: supplying the liquid to a substrate from a probe and forming a liquid bridge made of the liquid containing the substance dissolved therein, between the probe and the substrate; oscillating the probe; and generating an electric field between an electrically conductive portion of the probe in contact with the liquid and an ion extraction electrode. | 12-26-2013 |
| 20140008301 | THERAPEUTIC RETRIEVAL OF TARGETS IN BIOLOGICAL FLUIDS - Method and apparatus for removing high density particles from a biological fluid such as blood using aphaeresis. The particles are preferably sub-micron in size and denser than normally occurring components of the fluid and can be removed by a modified reverse-flow gradient density centrifuge without damaging the fluid. The particles can be provided to a patient in vivo or added to the fluid after it is removed from the patient. Some particles can carry and deliver oxygen and scavenge carbon dioxide. Other particles are conjugated to capture molecules for attaching to targets such as cancer cells, viruses, pathogens, toxins, or excess concentrations of a drug or element in the fluid. The targets are then removed from the fluid along with the particles by the aphaeresis instrument. | 01-09-2014 |
| 20140008302 | Drinking water purification device - A fast acting water purification system containing a source of silver ions which is suitable for use in personal or household water containers, where the non-potable water may contain halides or other materials that limit the solubility of silver in the non-potable water, with the purification agent including a source of silver ions and a compound containing a hydantoin ring increase the presence of silver ions in the non-potable water to a level sufficient to quickly kill harmful microorganisms in the non-potable water without the need to add additional biocides to the non-potable water or pretreat the non-potable water. | 01-09-2014 |
| 20140021137 | SYSTEM AND METHOD FOR THE TREATMENT OF WASTEWATER - A system and method for the treatment of wastewater. In one aspect, the invention can be a method for treating wastewater comprising: a) introducing untreated wastewater into a holding tank: b) flowing the untreated wastewater into a first wastewater treatment trailer to provide a first treatment regimen to the untreated wastewater to form a first treated wastewater c) flowing the first treated wastewater into a second wastewater treatment trailer to provide a second treatment regimen to the first treated wastewater to form a second treated wastewater; and wherein the holding tank, the first wastewater treatment trailer and the second wastewater treatment trailer are fluidly coupled together to facilitate flow of the untreated wastewater from the holding tank into the first wastewater treatment trailer and flow of the first treated wastewater from the first Wastewater treatment trailer into the second wastewater treatment trailer. | 01-23-2014 |
| 20140034577 | FUEL FILTER FOR THE REMOVAL OF A SOAP CONTAMINANT FROM DIESEL FUEL - This disclosure describes a filtration system and method for removing soap from diesel fuel. The removal involves passing fuel through the filtration system. By removing soap, injector sticking and plugging can be reduced and for fuel already contaminated with soap, lubricity and/or corrosion inhibition functionality resulting from the conversion of carboxylic acid additives can be restored to metal carboxylates | 02-06-2014 |
| 20140069871 | SIMPLIFIED FILTER - A filter includes a structurally rigid adsorptive filtering medium formed as a sintered porous material chosen to remove targeted contaminant(s). The adsorptive filtering medium forms a hollow chamber sized to receive a mechanical filtering medium which is sized to press outward against the adsorptive filtering medium which supports the mechanical filtering medium thus eliminating a cage and a core to support the mechanical filtering medium and leading to a simplified construction. The fluid enters the filter through substantially the entire face of the adsorptive filtering structure and proceeds through the mechanical filtering medium which is a pleated paper filter. The hollow chamber may be capped at each end such that the caps effectively seal the filter and direct the fluid through the adsorptive filter medium and the mechanical filter medium | 03-13-2014 |
| 20140076814 | CYANURIC ACID REMOVAL - A filter media component containing activated carbon, which undesirably filters chlorine from water in an aquatic reservoir in which a minimum level of chlorine is desired to be maintained, is inserted into a fluid pumping path for water from the reservoir to reduce levels of cyanuric acid without purging the reservoir. Once levels of cyanuric acid drop below a target reduced concentration, chlorine and other required chemicals may be added to the water to restore proper water balance and increase the chlorine concentration to at least the minimum level of chlorine desired to be maintained. The process, which can be completed in a short period of time with sufficient quantities of activated carbon, need only be performed seasonally of periodically and avoids waste and potential damage associated with purging and replacing the water within the aquatic reservoir to reduce cyanuric acid levels. | 03-20-2014 |
| 20140116946 | USE OF MULTIVALENT INORGANIC ADDITIVES - A process of dewatering tailings such as fluid fine tailings from oil sand extraction is provided comprising mixing the tailings with a sufficient amount of an additive comprising at least one multivalent cation, each multivalent cation being in an amount ranging from about 0.125% to about 0.25% and higher, up to or greater than the solubility limit of the at least one multivalent cation, and depositing the resulting mixture into a containment area to yield a non-segregating, rapidly cracking and dewatering deposit for reclamation and recycle water which can optionally be used in an oil sand bitumen extraction process. | 05-01-2014 |
| 20140183138 | METHOD AND NANOCOMPOSITE FOR TREATING WASTEWATER - The method and nanocomposite for treating wastewater provides a method of treating aniline-containing wastewater with a magnetic nanocomposite. Nickel nitrate, iron nitrate and citric acid are dissolved in deionized water to form a metal nitrate and citric acid solution, which is then pH balanced. The pH balanced solution is then heated to form a gel, which is then ignited to form powdered NiFe | 07-03-2014 |
| 20140231353 | Method and Apparatus for Removing Cesium Ion from Water - The present invention provides a method for efficiently separating cesium ions in a short time from an aqueous solution with the number of human working steps being reduced as much as possible and recovering the cesium ions, and an apparatus therefor. | 08-21-2014 |
| 20140291249 | COMPOSITE MEDIA FOR WATER TREATMENT PROCESSES AND METHODS OF USING SAME - Systems and methods for treating a stream comprising hydrocarbons and an aqueous-based liquid are provided. The systems and methods may utilize a media composite comprising a mixture of a cellulose-based material and a polymer. In certain systems and methods, the media composite is capable of being backwashed. The stream comprising the hydrocarbons and aqueous-based liquid may be separated by contacting the stream with the media composite. In certain system and methods, the stream comprising the hydrocarbons and aqueous-based liquid may be coalesced by contacting the stream with the media composite. | 10-02-2014 |
| 20140299548 | Selective Chemokine Modulation - A body fluid purifying arrangement comprises a purifying chamber having a fluid input and a fluid output, a first filter arranged in connection the fluid input, and a second filter arranged in connection with the fluid output. In another embodiment, a body fluid purifying arrangement in the form of a syringe comprises a purifying chamber having a common fluid input and fluid output, and a filter arranged in connection with the common fluid input and output. Granules or particles made of a metal or an oxide of a metal are retained within the purifying chamber by the respective filter(s) to purify a body fluid passing through the purifying chamber from 10 kDa interferon-γ inducible protein, IP-10, wherein said metal is a metal of group 4 or 5 of the periodic table of the elements and selected from the group consisting of titanium, zirconium, hafnium, niobium and tantalum. | 10-09-2014 |
| 20140299549 | PROCESS FOR THE PURIFICATION OF LANDFILL LEACHATE WASTEWATER BY ACTIVE CHARCOAL AND PHOTO-OZONOLYSIS - Process for the treatment of landfill leachate wastewater having a high COD, said process comprising: taking aliquots of the wastewater from the landfill and mixing them with active charcoal at room temperature, filtering the mixture to obtain an eluate, carrying out a photo-ozonolysis treatment consisting in the simultaneous irradiation with UV-light and saturation with ozone of said eluate. | 10-09-2014 |
| 20140353256 | Multi-Barrier System For Water Treatment - A multi-barrier system for cleaning waste water, in particular for the removal of pathogenic microbes from waste water, and a method for the removal of pathogenic microbes from waste water with the multi-barrier system. The multi-barrier system includes an enclosed containment that comprises a first water container, an adjustable ozonation unit, a second water container and a UV unit. In addition, the first water container comprises an ozone-resistant filtration unit. | 12-04-2014 |
| 20150021269 | CONTROLLING MICROBIAL ACTIVITY AND GROWTH IN A MIXED PHASE SYSTEM - A system and methods for controlling microbial activity and growth in a mixed phase system. The method includes providing a rare-earth compound. The method also includes injecting the rare-earth compound into a mixed phase system, wherein the rare earth compound binds with a phosphate in an aqueous phase to adsorb the phosphate. The method also includes separating the rare-earth compound from the mixed phase system. | 01-22-2015 |
| 20150041398 | EXTRACORPEREAL FLUIDIC DEVICE FOR COLLECTING CIRCULATING TUMOR CELLS AND METHOD OF USE THEREOF - A device can be used to retain circulating tumor cells (CTCs). The device can include a cross-flow module with a retentate channel and a permeate channel. A filter in the cross-flow module can separate the retentate channel from the permeate channel. The filter can be constructed such that CTCs are retained in the retentate channel while other cells can pass through the filter into the permeate channel. A recirculation channel can direct a flow from an outlet of the retentate channel back to an inlet of the retentate channel to thereby concentrate CTCs in the retentate flow. | 02-12-2015 |
| 20150068980 | NANOCOMPOSITE FOR REMOVING SELENIUM FROM WATER - The nanocomposite for removing selenium from water is multi-walled carbon nanotubes impregnated with iron. The nanocomposite is made by dissolving iron nitrate in ethanol, adding the carbon nanotubes, heating the mixture to evaporate the ethanol, and calcining the resulting nanocomposite. The carbon nanotubes preferably have a length and a diameter between 10 nm and 30 nm, and the iron is homogenously distributed in the nanotubes as nanoparticles of 1-2 nm diameter. The nanocomposite adsorbs selenium from aqueous solution. The pH of the aqueous solution may be adjusted to between 1 and 4, adsorption being most efficient at a pH of 1. | 03-12-2015 |
| 20150076069 | FILTER VIAL WITH LIMITED PISTON STROKE - A filter vial and piston are provided where the vial has a cylindrical wall with a closed bottom and open top and with the hollow, tubular piston therein. The piston has a position stop located and configured to abut a mating position stop on the vial to limit relative movement of the piston and vial. The position stops are located to stop the distal end of the piston away from the bottom of the vial a distance of about 10-30% the height of the vial. That a material to be dissolved in a liquid in the vial and to remove unwanted molecules from the liquid with the piston forcing the liquid through the filter but not squeezing the slurry of material so as to force it into the filter. | 03-19-2015 |
| 20150096938 | Removal of Immunoglobulins and Leukocytes from Biological Fluids - Devices, systems, and methods for depleting fluids of immunoglobulins and leukocytes are disclosed. | 04-09-2015 |
| 20150136703 | TITANIUM-IMPREGNATED CARBON NANOTUBES FOR SELENIUM REMOVAL - The titanium-impregnated carbon nanotubes for selenium removal provide a composition for removing or reducing the levels of selenium in water. The titanium-impregnated carbon nanotubes comprise a range of about 5 wt % titanium to 20 wt % titanium. A process for removing selenium from water includes the steps of placing the titanium-impregnated carbon nanotubes into contact with the water and adjusting the pH value of the water. | 05-21-2015 |
| 20150298993 | Separation of Oil-Water Mixtures Using Nanotechnology - Methods for extracting oil from a multiphasic liquid are provided. The method can comprise: introducing the multiphasic liquid to a plurality of nanoparticles, and allowing oil in the multiphasic liquid to be adsorbed by the polymeric shell. The nanoparticles comprise a core and a polymeric shell. The method can further comprise removing the nanoparticles from the multiphasic liquid, and/or recovering the oil adsorbed by the polymeric shell after removing the nanoparticles from the multiphasic liquid. The multiphasic liquid can comprise oil and water (e.g., oil and sea water, such as sea water in an area of an oil spill), stomach fluid and a food-grade oil (e.g., olive oil, vegetable oil, canola oil, or a mixture thereof), or other multiphasic liquids having an oil component. | 10-22-2015 |
| 20150307367 | LOW PRESSURE DROP REMEDIATION BED FOR WATER BASED COOLANT LOOPS - A method of remediating a water-based fluid includes the steps of providing a container providing a fluid cavity and organic, inorganic and biological remediation media within the cavity. The container is tubular and provides a linear flow direction, organic, inorganic and biological remediation media arranged in the cavity and configured to permit a water-based fluid within the cavity to simultaneously flow through the media. The organic, the inorganic and the biological remediation media are respectively configured to remove organic, inorganic and microbiological constituents. The organic, inorganic and biological remediation media are arranged within the cavity along the linear flow direction. Multiple cartridges are arranged within the cavity and spaced apart from one another. A predetermined flow rate of the water-based fluid through the cavity is set and it concurrently removes organic, inorganic and iodine-based biocide contaminants from the fluid within the cavity. | 10-29-2015 |
| 20150315053 | METHOD FOR REMOVING CESIUM IONS IN AQUEOUS SOLUTION EMPLOYING MAGNETIC PARTICLES - An object of the present invention is to provide a method for removing cesium ions, where cesium ions in an aqueous solution can be efficiently separated and recovered in a short time, the number of human-performed steps can be decreased as much as possible, and the amount of cesium-containing waste can be reduced. The method for removing cesium ions of the present invention can remove cesium ions in an aqueous solution, comprising adsorbing cesium ions by a water-soluble adsorbent in a cesium-containing aqueous solution, transforming said water-soluble adsorbent having adsorbed thereto cesium ions into a water-insoluble magnetic composite in the presence of a magnetic particle, and magnetically separating said magnetic composite. | 11-05-2015 |
| 20150321168 | CARBON NANOTUBE PONYTAILS - Carbon nanotubes (CNTs) are promising nanomaterials that have the potential to revolutionize water and waste treatment practices in the future. The direct use of unbounded CNTs, however, poses health risks to humans and ecosystems because they are difficult to separate from treated water. Here, we report the design and synthesis of carbon nanotube ponytails (CNPs) by integrating CNTs into micrometer-sized particles, which greatly improves the effectiveness of post-treatment separation using gravitational sedimentation, magnetic attraction, and membrane filtration. We further demonstrate that CNPs can effectively perform major treatment tasks, including adsorption, disinfection, and catalysis. Using model contaminants, such as methylene blue, | 11-12-2015 |
| 20150328562 | Method and Structure for Adsorbing Contaminants from Liquid - Provided are methods and structures for adsorbing contaminants from liquid, and applications thereof. An adsorbing mixture comprised substantially of rice hull ash is added to a liquid with contaminants that is at a preferred temperature for the adsorbing mixture. The adsorbing mixture interacts with the liquid with contaminants for a preferred amount of time and adsorbs the contaminants such that the contaminants are removed from the liquid. The adsorbing mixture is removed from the liquid using a filter that separates the adsorbing mixture from the liquid by way of a preferred pore size that allows the liquid to pass through but not the adsorbing mixture. | 11-19-2015 |
| 20150353584 | SULFUR SCAVENGING MATERIALS - Materials which react with (“scavenge”) sulfur compounds, such as hydrogen sulfide and mercaptans, are useful for limiting sulfur-induced corrosion. Surface-modified particles incorporating a hexahydrotriazine moiety are disclosed and used as sulfur scavengers. These surface-modified particles are used a filter media in fixed filter systems and as additives to fluids including sulfur compounds. The hexahydrotriazine moiety can react with sulfur compounds in such a manner as to bind sulfur atoms to the surface-modified particles, thus allowing removal of the sulfur atoms from fluids such as crude oil, natural gas, hydrocarbon combustion exhaust gases, sulfur polluted air and water. The surface-modified particles may, in general, be sized to allow separation of the particles from the process fluid by sedimentation, size-exclusion filtration or the like. | 12-10-2015 |
| 20150367324 | PROCESS FOR OBTAINING NANOCOMPOSITES, NANOCOMPOSITE, METHOD OF CAPTURE AND RETRIEVAL OF A SOLUBILIZED AND/OR DISPERESED MATERIAL IN ORGANIC OR INORGANIC MEDIUM, METHOD OF PURIFICATION OF AN ORGANIC OR INORGANIC MEDIUM AND CAPTURE AND RETRIEVAL KIT FOR A SOLUBILIZED AND/OR DISPERSED MATERIAL IN ORGANIC OR INORGANIC MEDIUM - The present invention lies in the fields of chemistry and nanotechnology and describes a nanocomposite to be used in the recovery of several compounds from inorganic or organic medium. Specifically, the invention presents a nanocomposite consisting of magnetic nanoparticles composed of Fe | 12-24-2015 |
| 20160015884 | APPARATUS AND METHOD FOR SEPARATING AND CONCENTRATING A COMPONENT OF A FLUID - A system for separating and concentrating a component of a whole material is disclosed. The whole material can include a material that has more than one component, such as whole blood that can include at least red blood cells, monocytes, and plasma. The system can include a substantially single container including a separation section and a concentration section wherein a component can be moved from the separation section, after a separation, to the concentration section to be concentrated. The concentrated component can then be withdrawn from the separation and concentration container for a selected procedure. | 01-21-2016 |
| 20160068417 | SYSTEMS AND METHOD OF WATER TREATMENT UTILIZING REACTIVE OXYGEN SPECIES AND APPLICATIONS THEREOF - In some embodiments, a method may include separating contaminants from impaired water. The method may include contacting impaired water with a peracetate oxidant solution. The method may include mixing said impaired water with the peracetate oxidant solution. The method may include separating the impaired water oxidant solution mixture into solids and a water phase. In some embodiments, the peracetate oxidant solution may include peracetate anions and a peracid. The peracetate oxidant solution may have a pH from about 10 to about pH 12. The peracetate oxidant solution may have a molar ratio of peracetate anions to peracid ranging from about 60:1 to about 6000:1. In some embodiments, a peracetate anion to hydrogen peroxide molar ratio is greater than about 16:1. In some embodiments, a reactive coagulant, a softener, and/or a floc aid may be added to the impaired water. | 03-10-2016 |
| 20160137531 | Device for Improving the Chemical and Physical Properties of Water and Methods of Using Same - A water treatment device for altering the chemical and physical properties of water for use in existing plumbing and/or piping systems wherein the treatment device may be customized for intended use and for treatment of the water profile in the geographical area of installation. | 05-19-2016 |
| 20160175807 | ALUMINIZED SILICIOUS POWDER AND WATER PURIFICATION DEVICE INCORPORATING SAME | 06-23-2016 |
| 20160185624 | NOVEL FLUID TREATMENT SYSTEMS AND METHODS - A multi-stage cavitation subassembly is described. The multi-stage cavitation subassembly includes: (i) a first cavitation-inducing feature for cavitating a fluid; (ii) a second cavitation-inducing feature that is located downstream from the first cavitation-inducing feature and is designed to cavitate the fluid after the fluid has undergone cavitation in the first cavitation-inducing feature; and (iii) a velocity-imparting component that, in a state of motion and when in contact with the fluid, imparts the fluid with sufficient velocity after the fluid has undergone cavitation in the first cavitation-inducing feature so that the fluid traverses from the first cavitation-inducing feature to the second cavitation-inducing feature. | 06-30-2016 |
| 20180022620 | Water Filtration Device | 01-25-2018 |
