AR115805A1 - Método para la obtención de cenizas nanoparticuladas de óxidos de actínidos, lantánidos, metales y no metales provenientes de una solución de nitratos ó suspensión de nitratos, óxidos, metales y no metales - Google Patents
Método para la obtención de cenizas nanoparticuladas de óxidos de actínidos, lantánidos, metales y no metales provenientes de una solución de nitratos ó suspensión de nitratos, óxidos, metales y no metalesInfo
- 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
Links
- 239000000725 suspension Substances 0.000 title abstract 7
- 229910052755 nonmetal Inorganic materials 0.000 title abstract 5
- 150000002843 nonmetals Chemical class 0.000 title abstract 5
- 229910052751 metal Inorganic materials 0.000 title abstract 4
- 239000002184 metal Substances 0.000 title abstract 4
- 150000002739 metals Chemical class 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 4
- 239000002956 ash Substances 0.000 title abstract 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 title 2
- 229910002651 NO3 Inorganic materials 0.000 title 1
- 150000001255 actinides Chemical class 0.000 abstract 5
- 229910000310 actinide oxide Inorganic materials 0.000 abstract 3
- 229910000311 lanthanide oxide Inorganic materials 0.000 abstract 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 2
- 229910052768 actinide Inorganic materials 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 229910052747 lanthanoid Inorganic materials 0.000 abstract 2
- 150000002602 lanthanoids Chemical class 0.000 abstract 2
- 239000000178 monomer Substances 0.000 abstract 2
- 239000002105 nanoparticle Substances 0.000 abstract 2
- 150000002823 nitrates Chemical class 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 238000005245 sintering Methods 0.000 abstract 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 239000002241 glass-ceramic Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
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- C—CHEMISTRY; METALLURGY
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- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G43/00—Compounds of uranium
- C01G43/01—Oxides; Hydroxides
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- 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
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- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
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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.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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ARP190101580A AR115805A1 (es) | 2019-06-10 | 2019-06-10 | Método para la obtención de cenizas nanoparticuladas de óxidos de actínidos, lantánidos, metales y no metales provenientes de una solución de nitratos ó suspensión de nitratos, óxidos, metales y no metales |
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 |
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ARP190101580A AR115805A1 (es) | 2019-06-10 | 2019-06-10 | Método para la obtención de cenizas nanoparticuladas de óxidos de actínidos, lantánidos, metales y no metales provenientes de una solución de nitratos ó suspensión de nitratos, óxidos, metales y no metales |
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AR115805A1 true AR115805A1 (es) | 2021-03-03 |
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ARP190101580A AR115805A1 (es) | 2019-06-10 | 2019-06-10 | Método para la obtención de cenizas nanoparticuladas de óxidos de actínidos, lantánidos, metales y no metales provenientes de una solución de nitratos ó suspensión de nitratos, óxidos, metales y no metales |
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WO (1) | WO2021019319A1 (es) |
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