AR115805A1 - METHOD FOR OBTAINING NANOPARTICULATE ASHES FROM ACTINID, LANTANIDE, METAL AND NON-METAL OXIDES FROM A NITRATE SOLUTION OR SUSPENSION OF NITRATES, OXIDES, METALS AND NON-METALS - Google Patents

METHOD FOR OBTAINING NANOPARTICULATE ASHES FROM ACTINID, LANTANIDE, METAL AND NON-METAL OXIDES FROM A NITRATE SOLUTION OR SUSPENSION OF NITRATES, OXIDES, METALS AND NON-METALS

Info

Publication number
AR115805A1
AR115805A1 ARP190101580A ARP190101580A AR115805A1 AR 115805 A1 AR115805 A1 AR 115805A1 AR P190101580 A ARP190101580 A AR P190101580A AR P190101580 A ARP190101580 A AR P190101580A AR 115805 A1 AR115805 A1 AR 115805A1
Authority
AR
Argentina
Prior art keywords
metals
suspension
oxides
nitric
solution
Prior art date
Application number
ARP190101580A
Other languages
Spanish (es)
Inventor
Nicols Silin
Oliver Carlos Julin Rosendo Gonzlez
Hctor Antonio Zolotucho
Fornells Silvina Gabriela Prez
Valente Anala Leticia Soldati
Arturo Miguel Bevilacqua
Zuvich Afra Fernndez
Original Assignee
Consejo Nacional De Investigaciones Cientificas Y Tecn Conicet
Comision Nac De Energia Atomica
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Consejo Nacional De Investigaciones Cientificas Y Tecn Conicet, Comision Nac De Energia Atomica filed Critical Consejo Nacional De Investigaciones Cientificas Y Tecn Conicet
Priority to ARP190101580A priority Critical patent/AR115805A1/en
Priority to PCT/IB2020/055461 priority patent/WO2021019319A1/en
Publication of AR115805A1 publication Critical patent/AR115805A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/01—Oxides; Hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/241—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/01—Oxides; Hydroxides
    • C01G43/025—Uranium dioxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G99/00—Subject matter not provided for in other groups of this subclass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62695—Granulation or pelletising
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63444—Nitrogen-containing polymers, e.g. polyacrylamides, polyacrylonitriles, polyvinylpyrrolidone [PVP], polyethylenimine [PEI]
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/653—Processes involving a melting step
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/42—Selection of substances for use as reactor fuel
    • G21C3/58—Solid reactor fuel Pellets made of fissile material
    • G21C3/62—Ceramic fuel
    • G21C3/623—Oxide fuels
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04—Treating liquids
    • G21F9/06—Processing
    • G21F9/14—Processing by incineration; by calcination, e.g. desiccation
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04—Treating liquids
    • G21F9/06—Processing
    • G21F9/16—Processing by fixation in stable solid media
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3229—Cerium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/443—Nitrates or nitrites
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

La presente provee un método para obtener cenizas nanoparticuladas de óxidos de actínidos y lantánidos, metales y no metales, que comprende los pasos de: i) preparar una solución o suspensión nítrica de nitratos y óxidos de actínidos y lantánidos, metales y no metales, ii) adicionar a dicha solución o suspensión nítrica del paso i) al menos un monómero o polímero con grupos funcionales acrilonitrilo (C₃H₃N), y iii) someter a tratamiento térmico la solución o suspensión nítrica del paso b) en atmósfera de aire a una temperatura entre 185ºC y 225ºC para obtener nanopartículas de óxidos de actínidos y lantánidos. Adicionalmente, la presente provee un método para la obtención de monolitos que emplea el método de la reivindicación 1, que comprende agregar a la solución o suspensión nítrica de nitratos y óxidos de actínidos y lantánidos, metales y no metales de la etapa i) una matriz vítrea, vitrocerámica o cerámica en forma de polvo con un rango de tamaños de partícula de 1 - 100 mm a la solución nítrica, ii) adicionar a dicha solución o suspensión nítrica del paso i) al menos un monómero o polímero con grupos funcionales acrilonitrilo (C₃H₃N), iii) someter a tratamiento térmico la solución o suspensión nítrica del paso b) en atmósfera de aire a una temperatura entre 185ºC y 225ºC para obtener nanopartículas de óxidos de actínidos y lantánidos, iv) sinterizar a temperaturas en el rango de 610 - 825ºC o fundir a temperaturas en el rango 1100 - 1300ºC la mezcla resultante de la etapa iii) en atmósfera de aire a presión atmosférica, y en caso de sinterizar, v) compactar uniaxialmente a temperatura ambiente para formar un monolito.The present provides a method to obtain nanoparticulate ashes of actinide and lanthanide oxides, metals and non-metals, which comprises the steps of: i) preparing a solution or nitric suspension of nitrates and oxides of actinides and lanthanides, metals and non-metals, ii ) adding to said nitric solution or suspension from step i) at least one monomer or polymer with acrylonitrile functional groups (C₃H₃N), and iii) subjecting the nitric solution or suspension from step b) to heat treatment in an air atmosphere at a temperature between 185ºC and 225ºC to obtain actinide and lanthanide oxide nanoparticles. Additionally, the present provides a method for obtaining monoliths that uses the method of claim 1, which comprises adding to the solution or nitric suspension of nitrates and oxides of actinides and lanthanides, metals and non-metals of step i) a matrix vitreous, glass-ceramic or ceramic in powder form with a particle size range of 1 - 100 mm to the nitric solution, ii) add to said nitric solution or suspension from step i) at least one monomer or polymer with acrylonitrile functional groups ( C₃H₃N), iii) subjecting the nitric solution or suspension from step b) to heat treatment in an air atmosphere at a temperature between 185ºC and 225ºC to obtain nanoparticles of actinide and lanthanide oxides, iv) sintering at temperatures in the range of 610 - 825ºC or melt at temperatures in the range 1100 - 1300ºC the mixture resulting from step iii) in an atmosphere of air at atmospheric pressure, and in case of sintering, v) compact uniaxially at temperature at environment to form a monolith.

ARP190101580A 2019-06-10 2019-06-10 METHOD FOR OBTAINING NANOPARTICULATE ASHES FROM ACTINID, LANTANIDE, METAL AND NON-METAL OXIDES FROM A NITRATE SOLUTION OR SUSPENSION OF NITRATES, OXIDES, METALS AND NON-METALS AR115805A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ARP190101580A AR115805A1 (en) 2019-06-10 2019-06-10 METHOD FOR OBTAINING NANOPARTICULATE ASHES FROM ACTINID, LANTANIDE, METAL AND NON-METAL OXIDES FROM A NITRATE SOLUTION OR SUSPENSION OF NITRATES, OXIDES, METALS AND NON-METALS
PCT/IB2020/055461 WO2021019319A1 (en) 2019-06-10 2020-06-10 Method for obtaining nanoparticulated ashes of actinide, lanthanide, metal and non-metal oxides from a nitrate solution or from a nitrate, oxide, metal and non-metal suspension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ARP190101580A AR115805A1 (en) 2019-06-10 2019-06-10 METHOD FOR OBTAINING NANOPARTICULATE ASHES FROM ACTINID, LANTANIDE, METAL AND NON-METAL OXIDES FROM A NITRATE SOLUTION OR SUSPENSION OF NITRATES, OXIDES, METALS AND NON-METALS

Publications (1)

Publication Number Publication Date
AR115805A1 true AR115805A1 (en) 2021-03-03

Family

ID=74228800

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP190101580A AR115805A1 (en) 2019-06-10 2019-06-10 METHOD FOR OBTAINING NANOPARTICULATE ASHES FROM ACTINID, LANTANIDE, METAL AND NON-METAL OXIDES FROM A NITRATE SOLUTION OR SUSPENSION OF NITRATES, OXIDES, METALS AND NON-METALS

Country Status (2)

Country Link
AR (1) AR115805A1 (en)
WO (1) WO2021019319A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113488217B (en) * 2021-06-22 2024-05-14 中国原子能科学研究院 Preparation method of simulated spent fuel
CN114243072A (en) * 2021-10-18 2022-03-25 南华大学 Uranium immobilization method and application in solid fuel cell

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2936348B1 (en) * 2008-09-23 2013-07-05 Commissariat Energie Atomique PROCESS FOR PREPARING A COMBUSTIBLE MIXTURE COMPRISING URANIUM AND AT LEAST ONE ACTINIDE AND / OR LANTHANIDE USING A CATION EXCHANGE RESIN
RU2414330C2 (en) 2008-12-03 2011-03-20 Открытое акционерное общество "Государственный научно-исследовательский и проектный институт редкометаллической промышленности" ОАО "ГИРЕДМЕТ" Method of producing nano-sized powders of some lanthanide oxides
FR2979469A1 (en) * 2011-08-22 2013-03-01 Commissariat Energie Atomique PROCESS FOR PREPARING POROUS NUCLEAR FUEL
FR3029909B1 (en) * 2014-12-16 2017-01-20 Commissariat Energie Atomique PROCESS FOR PREPARING AN OXIDE CERAMIC SUBSTRATE USING ION EXCHANGE RESIN
FR3072822B1 (en) * 2017-10-23 2021-02-26 Commissariat Energie Atomique PROCESS FOR PREPARING A POWDER BASED ON URANIUM OXIDE (S), AT LEAST ONE MINOR ACTINIDE AND POSSIBLE PLUTONIUM
FR3072823B1 (en) * 2017-10-23 2020-09-18 Commissariat Energie Atomique PROCESS FOR PREPARING AN OXIDE (S) BASED POWDER CONTAINING URANIUM AND PLUTONIUM AND USE OF THIS POWDER FOR THE MANUFACTURE OF A URANIUM AND PLUTONIUM BASED FUEL

Also Published As

Publication number Publication date
WO2021019319A1 (en) 2021-02-04

Similar Documents

Publication Publication Date Title
AR115805A1 (en) METHOD FOR OBTAINING NANOPARTICULATE ASHES FROM ACTINID, LANTANIDE, METAL AND NON-METAL OXIDES FROM A NITRATE SOLUTION OR SUSPENSION OF NITRATES, OXIDES, METALS AND NON-METALS
CN109694253B (en) Method for improving thermal conductivity of normal pressure sintered silicon nitride ceramic by carbon doping
WO2017177923A1 (en) Method for preparing fluorescent ceramic having aluminum oxide substrate, and related fluorescent ceramic
Mitrofanov et al. Impact of plastic deformation and shear band formation on the boson heat capacity peak of a bulk metallic glass
MX2015012046A (en) Catalyst compositions comprising metal oxid support particles with specific particle size distributions.
Galusek et al. The influence of MgO, Y2O3 and ZrO2 additions on densification and grain growth of submicrometre alumina sintered by SPS and HIP
Cologna et al. Sub-micrometre grained UO2 pellets consolidated from sol gel beads using spark plasma sintering (SPS)
WO2008061521A2 (en) Method for producing an object at least partly with a silicon carbide structure from a blank of a carbon-containing material
JP2014088309A (en) Production method of transparent sesquioxide sintered body and transparent sesquioxide sintered body produced by the production method
Teocoli et al. Viscoelastic properties of doped-ceria under reduced oxygen partial pressure
Wang et al. Exploring the evolution of pores in HIPed Y2O3 transparent ceramics
Venkatachalam et al. Thermal qualification of the UHTCMCs produced using RF-CVI technique with VMK facility at DLR
Zhao et al. Improved thermal shock and oxidation resistance of β-SiAlON incorporated with h-BN
CN113976917A (en) Degreasing method for manufacturing precious metal green body through photocuring additive manufacturing
Zuo et al. Temperature dependence of constitutive behaviour for solid-state sintering of alumina
Kammler et al. Flexural strength of a conventionally processed and additively manufactured debased 94% alumina
JP7065378B2 (en) Porous sintered body and air purification equipment
Boardman et al. Strength of additively manufactured alumina with different debinding and sintering heat treatments
Wang et al. Preparation conditions and porosity of porous titanium sintered under positive pressure
Yamane et al. Fabrication and basic characterization of silicon nitride ceramics as an inert matrix
JP5983525B2 (en) Method for producing translucent metal oxide sintered body
Liu et al. Fabrication and Characterization of Near‐Net‐Shape In Situ Reaction‐Bonded Porous Cordierite/SiC Ceramics
RU2636336C2 (en) High-strength ceramics
US20220154068A1 (en) Multiphase fluorescent ceramic and preparation method thereof
SK9244Y1 (en) Antioxidant coating of four-component oxide and its use

Legal Events

Date Code Title Description
FG Grant, registration