| Entries |
| Document | Title | Date |
|---|
| 20080197080 | Ion exchange reactor - An ion exchange apparatus includes at least one fluid passage that extends between an inlet and an outlet for transporting a fluid having ions therein. At least one cartridge includes an ion exchange material and the cartridge has an ion removal rate of removing the ions from the fluid that varies in response to a concentration of the ions in the fluid. | 08-21-2008 |
| 20080210636 | Fluid Filter - A fluid filter comprises a filter housing, having an inlet end ( | 09-04-2008 |
| 20080290035 | Method and Sorbant for Removing Contaminates From Water - A method for removing dissolved contaminants, such as arsenate, from water by the step of contacting a sorbant with the water, the sorbant comprising more than ten weight percent of an oxide of titanium and more than one tenth weight percent of a sulfate salt, such as calcium sulfate, having a solubility in water at room temperature of less than 0.5 grams per liter of water, wherein the oxide of titanium is primarily titanium dioxide. | 11-27-2008 |
| 20080308499 | METHOD AND SORBANT FOR REMOVING CONTAMINATES FROM WATER - A method and corresponding sorbant for removing dissolved contaminants, such as arsenate, from water. The sorbant comprises an oxide of titanium and a sulfate salt, such as calcium sulfate. | 12-18-2008 |
| 20090057231 | MONODISPERSE BORON-SELECTIVE RESINS - The present invention relates to macroporous, monodisperse boron-selective ion exchangers having improved boron uptake kinetics and improved boron capacity, containing N-methylglucamine structures, having a median diameter D between 550 and 750 μm and a volumetric fraction of beads between 0.9 D and 1.1 D of at least 75%. | 03-05-2009 |
| 20090166295 | ADSORPTIVE ION-EXCHANGE MATERIAL AND METHOD FOR FILTERING METAL IONS USING THE MATERIAL - The invention discloses an adsorptive ion-exchange material, including a polymer of formulas land II. The material has adsorption ability as well as ion-exchange ability for absorbing metal ions, and can be directly spun into fibers of varying diameters. The invention also discloses a method for treating wastewater containing metal ions using the disclosed adsorptive ion-exchange material. | 07-02-2009 |
| 20090261043 | CHELATING COMPOUNDS AND IMMOBILIZED TETHERED CHELATORS - Novel di- and tripodal compounds useful as chelators, intermediates for their production and a method for treating an aqueous solution to remove trivalent metal ions are presented. | 10-22-2009 |
| 20100072140 | WATER PURIFICATION MATERIAL AND WATER PURIFICATION METHOD EMPLOYING THE SAME - The present invention provides a water purification material capable of selectively adsorbing phosphorus dissolved in wastewater, and also provides a water purification method employing the material. The water purification material comprises a composite metal hydroxide containing iron ions and calcium ions in its structure, and this composite metal hydroxide has a layered structure. In the water purification method of the present invention, the water purification material is brought into contact with wastewater so as to remove and recover phosphate ions in the wastewater. | 03-25-2010 |
| 20100147769 | ELEMENT REMOVAL PROCESS AND APPARATUS - A process and apparatus for removing elements is described herein. | 06-17-2010 |
| 20100276374 | METHOD OF MAKING ZIRCONIA-CONTAINING NANOPARTICLES - A method of preparing zirconia-containing nanoparticles and a method of preparing a composite material that includes the zirconia-containing nanoparticles are provided. A method of treating a zirconium carboxylate salt solution to remove alkali metal ions and alkaline earth ions is provided. The treated solution can be used as a feedstock to prepare the zirconia-containing nanoparticles. Additionally, a continuous hydrothermal reactor system is provided that can be used, for example, to prepare the zirconia-containing nanoparticles. | 11-04-2010 |
| 20110168636 | CHELATING COMPOUNDS AND IMMOBILIZED TETHERED CHELATORS - Methods are described for removing aluminum from a solution using novel di- and tripodal compounds as chelators. | 07-14-2011 |
| 20110186521 | FILTRATION SYSTEM FOR PREPARATION OF FLUIDS FOR MEDICAL APPLICATIONS - 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. | 08-04-2011 |
| 20110290735 | CHALCOGENIDE COMPOUNDS FOR THE REMEDIATION OF NUCLEAR AND HEAVY METAL WASTES - Chalcogenide compounds, including ternary and quaternary tin and antimony chalcogenides, for use as absorbents in the remediation of hazardous materials are provided. Also provided are methods for using the chalcogenides in the remediation of ionic and elemental metals from aqueous and non-aqueous fluids. | 12-01-2011 |
| 20110297618 | Filtering Process and System to Remove AlCl3 Particulates from Ionic Liquid - A process for the filtration of an ionic liquid involves feeding an ionic liquid containing precipitated metal halides to a first filtering zone, which includes at least one first filter, to provide a partially filtered product. The process further includes subsequently feeding the partially filtered product to a second filtering zone, which includes at least one second filter having a smaller pore size than the at least one first filter, to provide a filtered product. A filter system capable of filtering precipitated metal halides from ionic liquid is also disclosed. | 12-08-2011 |
| 20110309023 | ELEMENT REMOVAL PROCESS AND APPARATUS - A process and apparatus for removing elements is described herein. | 12-22-2011 |
| 20110309024 | WATER TREATMENT - Apparatus for treating run-off water, the apparatus including a mechanical-sorption filter for removing particulate and colloidal material; an ion exchange filter for removing positively charged ions; and, a sorption filter for removing at least other soluble contaminants. | 12-22-2011 |
| 20120024795 | BIOSORBENTS FOR THE EXTRACTION OF METALS - A biosorbent for removing cationic and/or anionic metals from aqueous solutions, and a process for the production of the biosorbent. The biosorbent includes bacterial aggregates of | 02-02-2012 |
| 20120031846 | METHOD FOR COLLECTING OIL WITH MODIFIED CLAY - The present invention provides a method for collecting oil with a modified clay. By mixing the modified clay and oil, the oil can be adsorbed to the clay. The modified clay is obtained by intercalating a hydrophobic polymer such as acidified poly(oxyalkylene)-amine into layered silicate clay, mica or talc to enlarge the interlayer space. The modified clay thus becomes hydrophobic and adsorption to the oil is promoted. | 02-09-2012 |
| 20120061324 | ELEMENT REMOVAL PROCESS AND APPARATUS - A process and apparatus for removing elements is described herein. | 03-15-2012 |
| 20120061325 | CHELATING COMPOUNDS AND IMMOBILIZED TETHERED CHELATORS - Novel compounds useful as chelators, intermediates for their production and methods for removing trivalent and tetravalent metal ions from solution are presented. | 03-15-2012 |
| 20120145638 | METHOD AND COMPOSITION OF A SUPERTETRAHEDRAL CATIONIC FRAMEWORK FOR ION EXCHANGE - A cubic compound may comprise thorium borate or, in the alternative cerium borate, and may possess a porous supertetrahedral cationic framework with extraframework borate anions. These anions are readily exchanged with a variety of environmental contaminants, especially those from the nuclear industry, including chromate and pertechnetate. | 06-14-2012 |
| 20120234766 | METHOD OF REMOVING ACIDS FROM COMPOSITIONS COMPRISING IONIC LIQUIDS - Method of separating acids from liquid compositions using a weakly basic ion exchanger, wherein
| 09-20-2012 |
| 20120273427 | SORBENT COMPOSITIONS AND METHODS OF USING SAME - Provided herein are compositions and methods for removing a variety of pollutants from wastewater. Such compositions are obtained by immobilizing barium-based hybrid materials, such as BaSO | 11-01-2012 |
| 20120305489 | METHOD AND APPARATUS FOR TREATING SELENIUM-CONTAINING WATER - Selenium-containing water containing ions of a metal which is nobler than titanium and which is a coexisting substance is stably and efficiently treated. A pretreatment of removing ions of the metal nobler than titanium from the selenium-containing water is performed prior to the reduction treatment of selenium with the mixture of metallic titanium and the simple metal baser than titanium. In a reduction treatment step of selenium, noble metal ions in the selenium-containing water are reduced on the surfaces of particles of metallic titanium in a titanium/base metal mixture to form precipitates, which adhere to the surfaces of the metallic titanium particles, resulting in the decrease in efficiency of a reduction reaction. This problem can be solved in such a manner that the noble metal ions are removed prior to the reduction treatment of selenium. | 12-06-2012 |
| 20130026102 | REMEDIATION SYSTEM FOR TRANSITION METAL IONS AND METHOD FOR SAME - In at least one embodiment, a method for remediating oxic water having transition metal ions comprises the steps of providing oxic water having transition metal ions. The water is introduced to a chamber. The pH is adjusted to a range from 2.5 to 7.5 forming a pH-adjusted oxic water. Thiosulfate ions are introduced and reacted with the transition metal ions to form insoluble transition metal-thiosulfate species complexes, which are immobilized forming remediated oxic water. | 01-31-2013 |
| 20130026103 | Fluid Filtration Medium - The present application relates to improved filtration of fluids. Particularly, a surfactant-treated zeolite material may be utilized for removing turbid particles from a volume of fluid, such as water. | 01-31-2013 |
| 20130037487 | POLY (SULFOAMINOANTHRAQUINONE) MATERIALS AND METHODS FOR THEIR PREPARATION AND USE - Poly(sulfoaminoanthraquinone) polymer compositions and methods of making these compositions are disclosed herein. The polymer compositions can, for example, be used for removing metal ions from a sample. | 02-14-2013 |
| 20140034579 | METHOD FOR TREATING DRINKING WATER BY MEANS OF A REPLACEABLE CARTRIDGE FILTERING SYSTEM - A method for treating drinking water by modifying the ion concentration in the filtered water by means of a replaceable cartridge filtering system comprises: —defining a plurality of types of water to be filtered on the basis of chemical and physical features of the water to be treated; —defining a plurality of classes of filtered water to be obtained with the filtering system on the basis of chemical and physical features of the filtered water; —providing a plurality of filter cartridges containing a filtering material based on a mixture of two or more ion exchange resins, the mixture being formed from predetermined proportions of the two or more resins, each cartridge of the plurality of cartridges having a different mixture of the two or more resins and being capable of retaining ions from, and/or releasing ions into, the water filtered in the filtration process; —correlating one or more of the classes of filtered water with each cartridge of the plurality of cartridges for each type of water to be filtered; —selecting a cartridge from the plurality of cartridges in order to obtain a desired class of filtered water on the basis of a specified type of water to be filtered. | 02-06-2014 |
| 20140138320 | AGENT FOR REMOVING PHOSPHORUS COMPOUNDS FROM WATER - Agent for removing dissolved phosphorus compounds from water according to the invention, containing a biopolymer and metal compound, is characterized by being in the form of spherical capsules which contain the biopolymer or derivatives thereof with the ionic character crosslinked in the presence of at least one water-soluble polyvalent metal compounds. | 05-22-2014 |
| 20140151305 | ADSORBENT PRECIPITATED ON A CARRIER, METHOD FOR PRODUCING SAID ADSORBENT, AND USE OF SAID ADSORBENT - The invention relates to an adsorbent precipitated on a carrier and to a method for producing said adsorbent. The carrier comprises a polymer-based spherical activated charcoal. The adsorbent comprises an inorganic precipitate capable of adsorbing a metal cation or a mixture of metal cations from a liquid, preferably aqueous, medium. The adsorbent precipitated on a carrier is used to remove, for example, Cs | 06-05-2014 |
| 20140251915 | WATER TREATMENT TO REMOVE MULTIVALENT CATIONS - A method of removing di-, tri- and tetra-valent cations from aqueous media with a relatively short residence time, by causing cations and/or hydrous metal oxides to bind to a negatively charged media immobilized on a support structure thereby incorporating the cations into or onto the structure and removing them from the aqueous media. In another aspect, the present invention relates to a structure useful for removing di-, tri- and tetra-valent cations from aqueous media. The structure is designed to facilitate adherence of cations and/or hydrous metal oxides to the structure thereby incorporating the cations into or onto the structure and removing them from the aqueous media. | 09-11-2014 |
| 20150108069 | Process For Regeneration Of Spent Zirconium Phosphate For Reuse in Sorbent Treatments - A method is provided for regenerating spent zirconium phosphate for reuse in sorbent dialysis treatments or other re-uses as a sorbent material. The method includes contacting spent zirconium phosphate with an aqueous disinfectant solution having at least one antimicrobial agent, and treating the resulting disinfected zirconium phosphate with an acidic solution to provide a treated zirconium phosphate that can be re-used as a sorbent material. Sorbent cartridge products containing the regenerated spent zirconium phosphate are also provided. Methods and systems for sorbent dialysis which re-use the regenerated zirconium phosphate such as part of sorbent cartridges, additionally are provided. | 04-23-2015 |
| 20150144568 | COLUMN MATERIAL FOR THE CAPTURE OF HEAVY METAL AND PRECIOUS METAL IONS - Composite ion-exchange materials for use in an ion-exchange column are provided. Also provided are ion-exchange columns packed with the materials and methods for using the materials to remove metal ions from samples, such as waste water samples. The composite ion-exchange materials comprise a composite material comprising a metal chalcogenide and an alginate, wherein the composite material is mixed with a granular material. | 05-28-2015 |
| 20150376029 | DRINKING WATER FILTER WITH INTEGRAL SELF-DISINFECTING DELIVERY SYSTEM - An aspect of the present invention is generally directed toward an appliance that includes a water source inlet that receives intake water from a water source and a water outlet proximate a water dispensing location on a door of the appliance in fluid communication with one another via one or more water conduits spaced within the appliance. The appliance also includes a removable water filter and dispenser assembly configured to be removably engaged and disengaged with the water outlet of the appliance by hand without the use of tools. The removable water filter and dispenser assembly includes: (1) a housing that includes at least one water treatment media; and (2) a treated water dispensing outlet configured to deliver water treated by the at least one water treatment media for use or consumption. | 12-31-2015 |
