Class 588/15 - Metal containing

Subclass of Class 588 - Hazardous or toxic waste destruction or containment
Definition: Subject matter wherein the solid media contains free metal
No. of patents: 96
Last issue date: 05/06/2008

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Number	Title	Issue Date
7368091	Cesium and strontium capsule disposal package A package and process of using the package for disposal of radioactive cesium and strontium waste capsules. The package comprises a standard Hanford vitrified high-level waste canister as an outer container, which is approximately filled with three components: the f...	05/06/2008
7365237	Liquid metal reactor and method for treating materials in a liquid metal reactor A target material (60) to be treated in a liquid reactant metal is loaded into a containment area defined within a liquid reactant metal treatment vessel (11). The containment area is then placed below the level (L) of the liquid reactant metal in the ...	04/29/2008
7329399	Hydrogen trapper compound, method for the production and uses thereof A hydrogen-trapping compound is provided, along with a process for manufacturing the compound, and its uses, wherein the hydrogen-trapping compound is characterized in that it contains at least one metal salt of formula MX(OH), in which M represents a divalent trans...	02/12/2008
7309807	Method of containing radioactive contamination A method of controlling or containing radioactive contamination by providing a neutron absorbing material to a radioactive contamination site. Preferably the neutron absorbing material is present as a powder, granule, slurry or suspension, allowing the neutron absor...	12/18/2007
7250119	Composite materials and techniques for neutron and gamma radiation shielding This invention deals with multi-component composite materials and techniques for improved shielding of neutron and gamma radiation emitting from transuranic, high-level and low-level radioactive wastes. Selective naturally occurring mineral materials are utilized to...	07/31/2007
7241932	Encapsulation of radioactive waste using a sodium silicate based glass matrix The present invention relates to an immobilizing medium for the encapsulation of radioactive waste. The waste immobilizing medium has a sodium silicate based glass matrix in which there is contained radioactive waste wherein the waste comprises one or more inert met...	07/10/2007
7211038	Methods for melting of materials to be treated A process for melting material to be treated includes placing material to be treated in a container that may include an insulating lining, heating the material to be treated and melting the material to be treated, preferably allowing the melted material to cool to f...	05/01/2007
7187744	Method of providing a nuclear fuel and a fuel element provided by such a method A method for providing a nuclear fuel includes forming a uranium-molybdenum alloy that provides an enhanced reactivity in research, test and radioisotope production nuclear reactors. In this uranium-molybdenum alloy, the uranium is enriched in the isotope 235-U, whi...	03/06/2007
7107287	Method, system and storage medium for automated independent technical review An exemplary embodiment is a method and system for performing an automated independent technical review. The method includes receiving an assay result of a radioactive waste container, determining whether the assay result is within a predetermined parameter, determi...	09/12/2006
7091393	Processes for immobilizing radioactive and hazardous wastes The present invention utilizes one or more processes to immobilize a waste that contains one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds present in the waste. Each of the processes create a barrier against leaching and d...	08/15/2006
7090827	Process for immobilizing metallic sodium in glass form A process for immobilizing metallic sodium in glass form. The process comprises: (A) introducing in a dispersed state, into a reactor, an amount of a vitrified matrix precursor, metallic sodium and iron oxide (Fe2O3) sufficient to ensure oxidat...	08/15/2006
7078581	Encapsulation of waste A ceramic waste immobilizing material for the encapsulation of high level radioactive waste (HLW), e.g. resulting from the reprocessing of irradiated nuclear fuel. The ceramic waste immobilising material enables waste ions from at least fission products in irradiate...	07/18/2006
7074174	Methods and apparatus for encapsulating hazardous debris A method of collecting, treating, transporting and disposing of hazardous debris which combines the standards of macroencapsulation and microencapsulation and involves the use of a liner to contain hazardous debris together with reagents that reduce leachability of ...	07/11/2006
7034197	Metal alloy and metal alloy storage product for storing radioactive materials A liquid reactant metal alloy includes at least one chemically active metal for reacting with non-radioactive material in a mixed waste stream being treated. The reactant alloy also includes at least one radiation absorbing metal. Radioactive isotopes in the waste s...	04/25/2006
7019189	Process and composition for the immobilization of radioactive and hazardous wastes in borosilicate glass The present invention provides processes to immobilize radioactive and/or hazardous waste in a borosilicate glass, the waste containing one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds. The invention also provides borosil...	03/28/2006
7012168	Boron-based containment matrix for the storage or transmutation of long-life radioactive elements The invention relates to a confinement matrix for the storage or incineration of at least one long-life radioactive element, comprising at least one crystalline boron compound of a rhombohedral structure including the long-life radioactive element(s). The bor...	03/14/2006
6972095	Magnetic molecules: a process utilizing functionalized magnetic ferritins for the selective removal of contaminants from solution by magnetic filtration A decontamination system uses magnetic molecules having ferritin cores to selectively remove target contaminant ions from a solution. The magnetic molecules are based upon a ferritin protein structure and have a very small magnetic ferritin core and a selective ion ...	12/06/2005
6812174	Low melting high lithia glass compositions and methods The invention relates to methods of vitrifying waste and for lowering the melting point of glass forming systems by including lithia formers in the glass forming composition in significant amounts, typically from about 0.16 wt % to about 11 wt %, based on the total ...	11/02/2004
6784444	Containment and transportation of decommissioned nuclear reactor pressure vessels Apparatus for containing, transporting, and storing or disposing of radioactive machinery, including decommissioned nuclear reactor pressure vessels. An improved, economically-produced container allows easier handling and packaging of machinery within plants where t...	08/31/2004
6714617	Disposal of radiation waste in glacial ice Encapsulating calcined radioactive waste in strong, corrosion-resistant spheres of dimensions such that heat from the radiation melts the ice at a rate which brings the spheres to the bottom of the permanent icefield in a relatively short time, with the resulting wa...	03/30/2004
6676915	Method for conditioning soda effluents in the form of nepheline This invention relates to a method for conditioning a waste constituted of an aqueous solution of sodium hydroxide NaOH of 3 to 10 M, possibly radioactive. The method is as follows: a) a metakaolin powder is added to the aqueous solution such that a s...	01/13/2004
6630419	Low melting high lithia glass compositions and methods The invention relates to methods of vitrifying waste and for lowering the melting point of glass forming systems by including lithia formers in the glass forming composition in significant amounts, typically from about 0.16 wt % to about 11 wt %, based on...	10/07/2003
6624103	Low melting high lithia glass compositions and methods The invention relates to methods of vitrifying waste and for lowering the melting point of glass forming systems by including lithia formers in the glass forming composition in significant amounts, typically from about 0.16 wt % to about 11 wt %, based on...	09/23/2003
6624339	Method to confine plutonium in apatitic ceramics and products obtained using said process A phosphosilicate apatite useful as a confinement matrix for radioactive waste, and having the formula: wherein: M represents an alkaline metal, Ln represents at least one cation selected from lanthanides, and t, x, y, z, w and u are such that: 0ࣘ...	09/23/2003
6617484	Containment and transportation of decommissioned nuclear reactor pressure vessels and the like Method and apparatus for containing, transporting, and storing or disposing of radioactive machinery, including decommissioned nuclear reactor pressure vessels. An improved, economically-produced container is provided which allows easier handling and pack...	09/09/2003
6489531	Confinement of caesium and/or rubidium in apatitic ceramics The invention relates to the containment of caesium and/or rubidium, in particular 135 Cs and 137 Cs in an apatitic matrix of formula: Mt Cax Lny (PO4)6-u (SiO4)u X i...	12/03/2002
6476285	Method of melting treatment of radioactive miscellaneous solid wastes A method of melting treatment of radioactive miscellaneous solid wastes wherein, even when the wastes contain various kinds of substances in a mixed state, each of the substances is efficiently induction-heated and the whole of the wastes can be melted qu...	11/05/2002
6436271	Preparation of mineral matrices by cold crucible induction melting The aim of the present invention is a process for preparing a mineral matrix by melting, which is implemented according to the method of direct cold crucible induction melting. The method employs a step for initiating the melting. During the initiation st...	08/20/2002
6428695	Aquifer remediation barrier for removal of inorganic contaminants A permeable barrier for decontaminating groundwater having two distinct components for increasing contaminant removal. Preferably, the barrier material is a mixture or distinct layers of bone-char phosphate material and iron oxide pellets. The barrier mat...	08/06/2002
6399849	Treatment of mercury containing waste A process is provided for the treatment of mercury containing waste in a single reaction vessel which includes a) stabilizing the waste with sulfur polymer cement under an inert atmosphere to form a resulting mixture and b) encapsulating the resulting mix...	06/04/2002
6399848	Encapsulation of hazardous waste materials A method of encapsulating hazardous waste materials including heavy metals such as arsenic, mercury, nickel and chromium residues, as well as radioactive materials. The method involves adding the hazardous waste material to a settable composition, forming...	06/04/2002
6355857	Metal alloy treatment process for radioactive waste A waste treatment process includes containing a reactant metal alloy (210) in a reactant alloy container (202) substantially isolated from oxygen gas. The reactant metal alloy includes at least one chemically active alkaline metal and at least one radiati...	03/12/2002
6342650	Disposal of radiation waste in glacial ice Encapsulating calcined radioactive waste in strong, corrosion-resistant spheres of dimensions such that heat from the radiation melts the ice at a rate which brings the spheres to the bottom of the permanent icefield in a relatively short time, with the r...	01/29/2002
6312499	Method for stabilization of liquid mercury A method for stabilization of liquid mercury in which powdered copper particles are cleaned with a chemically reactive fluid suitable for removing surface oxidation from the surface. "Clean" powdered copper particles are mixed with liquid mercury to form ...	11/06/2001
6296786	Treated waste, method for making the same and apparatus for making the same A treated waste has been treated so as to prevent diffusion of a substance to be disposed, of e.g., radionuclide "I", that tends to occur when the waste is disposed of in reducing environment at an ultra-deep underground. The treated waste has a low-resol...	10/02/2001
6288300	Thermal treatment and immobilization processes for organic materials Organic materials are mixed with metal oxide, such as hydrated metal oxides, prior to or during heat treatments in aerated or oxygenated environments to stabilize thermal decomposition or incineration of the organic materials and to suppress the emission ...	09/11/2001
6254782	Method for recovering and separating metals from waste streams A method is disclosed for recovering and separating precious and non-precious metals from waste streams, which removes, separates, and recovers such metals in a cost effective manner with more than 95% removal form waste streams and with minimal amounts o...	07/03/2001
6143944	Consolidation process for producing ceramic waste forms A process for the consolidation and containment of solid or semisolid hazardous waste, which process comprises closing an end of a circular hollow cylinder, filling the cylinder with the hazardous waste, and then cold working the cylinder to reduce its di...	11/07/2000
6060635	Method for treating hazardous waste Procedure for the treatment of radioactive hazardous waste, in which procedure oxygen is treated with radio-frequency electromagnetic radiation in a manner known in itself so that the oxygen forms a cold plasma, and the waste and the oxygen are fed togeth...	05/09/2000
6046374	Cellular grout radiation barrier A method for forming a radiation-absorbing barrier around a radioactive component by flowing a radiation-absorbing cement grout into a container which encloses the component. The radiation-absorbing cement grout comprises a cement slurry, a finished foam ...	04/04/2000

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Class 588/15 - Metal containing