| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210682000 | Radioactive | 23 |
| 20080277350 | Method and Device For Isolating a Chemically and Radiochemically Cleaned 68 Ga-Radionuclide and For Marking a Marking Precursor With the 68 Ga-Radionuclide - The invention relates to initial | 11-13-2008 |
| 20090045136 | METHOD FOR ADSORPTION OF METAL AND AN ADSORPTION MATERIAL DIRECTED THERETO AND METHOD FOR RE-USE OF THE ADSORPTION MATERIAL - The invention relates to a combined process for the adsorption of metals in a liquid and for the neutralisation of metal-containing waste acids. The adsorption material used in the process is in the form of a geological mineral containing at least one alkali metal and/or alkaline earth metal, e.g. wollastonite (CaSiO | 02-19-2009 |
| 20090084730 | Optionally Modified And Optionally Insoluble Starches For Eliminating Natural Organic Contaminants From Liquids - Modified and insoluble starches are utilized for eliminating natural organic substances/contaminants from liquids and in particular from liquids used for food applications, such as drinking water, beverages, fruit juices or syrups, as well as natural water, industrial process water, or wastewater. | 04-02-2009 |
| 20090101586 | ADSORPTION OF RADIONUCLIDES - The present application relates to a process for the adsorption of radionuclides from media, preferably waters or aqueous solutions, as arise, for example, in nuclear plants, preferably nuclear power plants, by contacting the medium to be treated, preferably water or aqueous solutions, with a mixed bed which is provided additionally with at least one covering layer of a monodisperse, macroporous ion exchanger having a median bead diameter smaller than the ion exchanger used in the mixed bed. | 04-23-2009 |
| 20090127202 | Fast Reduction of Iodine Species to Iodide - In a method for a retention of iodine species which are comprised in an aqueous solution a nucleophilic agent or a mixture of a plurality of nucleophilic agents is added to the aqueous solution. Further, a soluble ion-exchanger agent or a mixture of a plurality of soluble ion-exchanger agents is added to the aqueous solution. | 05-21-2009 |
| 20090145850 | Method of removing and recovering contaminants from solutions with modified anion exchange materials having metal inside the materials - The present invention relates, generally, to the art of impregnating metal complexes into anion exchange materials to provide improved anion exchange materials with a metal inside the materials such that the modified materials effectively and efficiently remove or recover various metals, including metal containing complexes, compounds, and contaminants, such as arsenic, from, for example, process solutions, effluents and aqueous solutions. Uses for the improved anion exchange materials are also described as are methods of making modified anion exchange materials, and methods of removing and recovering at least one metal or contaminant from a source. | 06-11-2009 |
| 20090159532 | Radium selective media and method for manufacturing - Media for selectively removing radium ions from water where manganese oxide (DMO) has been dispersed in a cation ion exchange resin (gel or macroporous) to adsorb radium ions. The media is manufactured by precipitating a soluble manganese (II) salt such as manganous sulfate with a permanganate salt such as sodium permanganate inside a strong acid cation (SAC) to form a resin containing highly dispersed manganese oxides. The resin is then post treated with a reducing agent such as sodium metabisulfite (Na | 06-25-2009 |
| 20090218289 | RADIONUCLIDE RESINS - The present application relates to a process for the adsorption of radionuclides from waters or aqueous solutions such as arise in nuclear plants, by contacting the water to be treated or the aqueous solutions with monodisperse, macroporous ion exchangers. | 09-03-2009 |
| 20100213134 | ION EXCHANGE APPARATUS HAVING INCREASED EFFICIENCY - An embodiment of the inventive apparatus comprises a conical, elliptical or dish bottom vessel with bottom flow strainers containing a combination of a layer of anthracite particles covering the strainers and acting as a flow dispersion layer and an ion exchange bed to remove ionic contaminants from water. In an embodiment of the invention, removal of ionic contaminants in water by ion exchange and volume reduction of the ion exchange resin bed after attainment of bed exhaustion or defined point of reduced activity is affected by treating the water with an apparatus comprising a conical, elliptical or dish bottom vessel with bottom flow strainers containing a combination of a layer of combustible particles acting as a flow dispersion layer and an ion exchange resin bed, followed by combusting together the ion exchange bed and anthracite particles. In an embodiment of the invention, removal of radionuclides from water by ion exchange and volume reduction of the ion exchange resin bed after attainment of bed exhaustion or defined point of reduced activity is affected by treating the water source with an apparatus comprising a conical, elliptical or dish bottom vessel with bottom flow strainers containing a combination of a layer of combustible and non-radionuclide sorbing particles acting as a flow dispersion layer and an ion exchange resin bed, followed by combusting together the ion exchange bed and a combustible and non-radionuclide sorbing particles. | 08-26-2010 |
| 20110000855 | Media for Removal of Contaminants from Fluid Streams and Method of Making and Using Same - Sorption media for removal of contaminants from fluid streams are provided. The sorption media comprise an active compound bound or linked to a support substrate or matrix. Support substrates can include iron- and alumina-based materials. A method for making sorption media for the removal of contaminants from fluid streams is also described. The method includes selecting a support substrate, and, optionally, providing a doping mixture comprising an active compound. The selected support substrate can be contacted with the doping mixture to form a doped mixture. The doped mixture can be reacted at a predetermined temperature and atmospheric environment for a predetermined duration to form an active media, wherein the active compound is bound or linked to the support substrate. | 01-06-2011 |
| 20110006011 | METHOD FOR THE ELUTION OF 18F FLUORIDE TRAPPED ON AN ANION-EXCHANGE PHASE IN A FORM SUITABLE FOR EFFICIENT RADIOLABELING WITHOUT ANY EVAPORATION STEP - A method extracts out of an aqueous solution, concentrate and/or reformulate [18F] fluorides without any evaporation step. The eluting solution is a low water content, preferably <3% water, organic solution containing at least:
| 01-13-2011 |
| 20110036777 | METHOD FOR THE DECONTAMINATION OF A RADIOACTIVE LIQUID EFFLUENT WITH ONE OR MORE RADIOACTIVE CHEMICAL ELEMENTS BY SOLID-LIQUID EXTRACTION USING A RECYCLING LOOP - The invention relates to a continuous process for decontaminating a radioactive liquid effluent comprising one or more radioactive chemical elements to be removed that comprises the following steps: | 02-17-2011 |
| 20110049057 | Metal Immobilization Using Slag Fines - A method for immobilizing metal in soil includes blending slag fines with soil to form a media. The slag fines immobilize metal present in the media and reduce leaching of the metal into water. | 03-03-2011 |
| 20120125856 | NANOCOMPOSITE SOLID MATERIAL BASED ON HEXA- AND OCTA- CYANOMETALLATES, METHOD FOR THE PREPARATION THEREOF AND METHOD FOR FIXING MINERAL POLLUTANTS USING SAID MATERIAL - A nanocomposite solid material includes nanoparticles of a metal coordination polymer with CN ligands comprising M | 05-24-2012 |
| 20130161260 | Fluid Treatment System - The present disclosure provides, in an embodiment, a system for treating a contaminated fluid. The system may include multiple shielded modules in fluid communication with one another. Each module of the system of the present disclosure may include an inner pressure vessel designed to accommodate a treatment medium, the treatment medium being selected to remove radioactive contaminants from a fluid passed through the pressure vessel. The module may also include an outer shield vessel surrounding the pressure vessel and designed to attenuate the radiation from the radioactive contaminants accumulated by the treatment medium in the pressure vessel and facilitate ease of handling and storage of the module together with the contaminated treatment medium. Finally, an annular region may be defined between the pressure vessel and the shield vessel for passing a cooling medium therethrough to remove decay heat from the radioactive contaminants accumulated in the pressure vessel. | 06-27-2013 |
| 20130161261 | SYSTEM FOR DYNAMIC FLUIDIZED LOADNG OF A LIGAND UPON CARBON MEDIA AND METHODS ASSOCIATED THEREWITH - Method and systems are provided for the removal of metal contaminants from aqueous mediums using a chamber containing activated sorptive media and a primary ligand and optionally, a secondary ligand that has been loaded onto the activated sorptive media using hydraulic loading. In at least one embodiment, the methods and systems include a pre-treatment of the sorptive media, a specific volume of the activated sorptive media within the chamber, specific pH ranges of aqueous mediums, and hydraulic loading of the primary ligand and optionally, a secondary ligand, known as dynamic fluidized loading. In at least one embodiment, pore pressures of the seeding solution within the media are at least sufficient to overcome the gravitational forces acting on the media within the column. The methods and systems provide for a highly uniform and predictable loading of the primary ligand and optionally, the secondary ligand, onto the activated sorptive media throughout the sorptive media within the chamber. Thus, the methods and system provide for effective sorption and increased capacity for metal removal from aqueous mediums. | 06-27-2013 |
| 20140190892 | STRONTIUM AND CESIUM SPECIFIC ION-EXCHANGE MEDIA - This invention is directed to amorphous and crystalline titanosilicate materials that have an unexpected selectivity for cesium and strontium, especially in the presence of high levels of competing ions. The titanosilicates of this invention show very high, unexpected selectivity in the presence of such competing cations such as sodium, calcium, magnesium and potassium, such as present in seawater. | 07-10-2014 |
| 20140346115 | AGGREGATE OF RADIOACTIVE MATERIAL REMOVING PARTICLES AND METHOD OF PRODUCING THE SAME, AND METHOD OF REMOVING CONTAMINANT - There is provided an aggregate of radioactive material removing particles in which two or more radioactive material removing particles having magnetic particles and a radioactive material adsorption component are assembled, wherein a pore volume in the aggregate is 0.5 mL/g or more and 5.0 mL/g or less, and the pore volume means a cumulative value obtained by a mercury press-in method. | 11-27-2014 |
| 20150129504 | ORGANO-MODIFIED CLAYS FOR REMOVAL OF AQUEOUS RADIOACTIVE ANIONS - Methods are described for the removal of highly soluble radioactive anions, e.g., radioactive technetium and/or radioiodide, from an aqueous solution. The methods utilize a sequestering agent that includes an organoclay, i.e., a clay with an intercalated cationic quaternary amine, as a sorbent for highly soluble radioactive anions that are present within an aqueous solution. In exemplary embodiments, the method can be utilized to treat aqueous waste at a nuclear power facility or to treat a groundwater contamination site or a soil or sediment contaminated site. | 05-14-2015 |
| 20150136707 | ALUMINUM SILICATE AND METHOD FOR PRODUCING SAME - Aluminum silicate having a large cesium ion adsorption capacity and a production process therefor.
| 05-21-2015 |
| 20150336812 | REMOVAL OF URANIUM FROM WATER - A method for removing uranium from an uranium-containing aqueous solution having a salinity of at least 0.5 ppt, comprise the step of passing the solution through a bed of anion exchange resin impregnated with polyphenol. | 11-26-2015 |
| 20150343436 | METHOD FOR PREPARING SILICOTITANATE AND CS ADSORBENT - The present invention provides a method for mass production of silicotitanate at low costs using SiO | 12-03-2015 |
| 20160075567 | MANUFACTURE OF OXIDATIVELY MODIFIED CARBON (OMC) AND ITS USE FOR CAPTURE OF RADIONUCLIDES AND METALS FROM WATER - In some embodiments, the present disclosure pertains to methods of capturing contaminants (i.e., radionuclides and metals) from a water source by applying an oxidatively modified carbon to the water source. This leads to the sorption of the contaminants in the water source to the oxidatively modified carbon. In some embodiments, the methods also include a step of separating the oxidatively modified carbon from the water source after the applying step. In some embodiments, the oxidatively modified carbon comprises an oxidized carbon source. In some embodiments, the carbon source is coal. In some embodiments, the oxidatively modified carbon comprises oxidized coke. In some embodiments, the oxidatively modified carbon is in the form of free-standing, three dimensional and porous particles. Further embodiments of the present disclosure pertain to materials for capturing contaminants from a water source, where the materials comprise the aforementioned oxidatively modified carbons. | 03-17-2016 |
