CH649978A5 - Procede de conversion conjointe d'une solution aqueuse contenant des nitrates de metaux lourds. - Google Patents
Procede de conversion conjointe d'une solution aqueuse contenant des nitrates de metaux lourds. Download PDFInfo
- Publication number
- CH649978A5 CH649978A5 CH379/82A CH37982A CH649978A5 CH 649978 A5 CH649978 A5 CH 649978A5 CH 379/82 A CH379/82 A CH 379/82A CH 37982 A CH37982 A CH 37982A CH 649978 A5 CH649978 A5 CH 649978A5
- Authority
- CH
- Switzerland
- Prior art keywords
- pellets
- ammonium nitrate
- density
- powder
- mol
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
-
- 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
- C01F15/00—Compounds of thorium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
- C01G55/004—Oxides; Hydroxides
-
- 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
-
- 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
- C01P2004/02—Particle morphology depicted by an image obtained by optical microscopy
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- 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
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/11—Powder tap density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- 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)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/226,576 US4409157A (en) | 1981-01-21 | 1981-01-21 | Method for improved decomposition of metal nitrate solutions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH649978A5 true CH649978A5 (fr) | 1985-06-28 |
Family
ID=22849464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH379/82A CH649978A5 (fr) | 1981-01-21 | 1982-01-21 | Procede de conversion conjointe d'une solution aqueuse contenant des nitrates de metaux lourds. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4409157A (2) |
| JP (1) | JPS57179022A (2) |
| BE (1) | BE891819A (2) |
| CA (1) | CA1170032A (2) |
| CH (1) | CH649978A5 (2) |
| DE (1) | DE3201771A1 (2) |
| FR (1) | FR2498364B1 (2) |
| GB (1) | GB2091710B (2) |
| IT (1) | IT1149708B (2) |
| NL (1) | NL8200183A (2) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3144684C1 (de) * | 1981-11-10 | 1983-04-14 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zum Herstellen von oxidischen Kernbrennstoffsinterkoerpern |
| JPS59114498A (ja) * | 1982-12-21 | 1984-07-02 | 動力炉・核燃料開発事業団 | マイクロ波による連続濃縮・脱硝装置 |
| DE3333652C2 (de) * | 1983-09-17 | 1986-04-24 | Nukem Gmbh, 6450 Hanau | Verfahren zur Herstellung von salpetersäurelöslichen Uran-Thorium- und Uran-Plutonium-Mischoxiden |
| FR2555566B1 (fr) * | 1983-11-25 | 1989-02-17 | Comurhex | Procede de preparation d'oxydes metalliques pulverulents a partir de solutions aqueuses ou de melanges solides de nitrates metalliques |
| DE3406084A1 (de) * | 1984-02-20 | 1985-08-22 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zum herstellen von oxidischen kernbrennstoffsinterkoerpern |
| GB8430244D0 (en) * | 1984-11-30 | 1985-01-09 | Atomic Energy Authority Uk | Preparation of materials |
| US4871479A (en) * | 1986-03-25 | 1989-10-03 | Comurhex Societe Pour La Conversion De L'uranium En Metal Et Hexafluorure | Process for producing sintered mixed oxides which are soluble in nitric acid from solutions of nitrates |
| US5419886A (en) * | 1994-03-08 | 1995-05-30 | Rockwell International Corporation | Method for generation of finely divided reactive plutonium oxide powder |
| CA2898612C (en) | 2013-01-18 | 2019-02-19 | Rare Element Resources Ltd. | Selective extraction of rare earth elements by oxalic acid precipitation |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL112594C (2) * | 1959-09-18 | |||
| US3287279A (en) * | 1965-08-11 | 1966-11-22 | Ward L Lyon | Preparation of a filterable co-precipitate of plutonium and uranium |
| US3514412A (en) * | 1967-09-25 | 1970-05-26 | Grace W R & Co | Process for preparing urania-plutonia nuclear fuel |
| US3725293A (en) * | 1972-01-11 | 1973-04-03 | Atomic Energy Commission | Conversion of fuel-metal nitrate solutions to oxides |
| US3862296A (en) * | 1972-02-09 | 1975-01-21 | Gen Electric | Conversion process for waste nitrogen-containing compounds |
| US4184976A (en) * | 1973-05-08 | 1980-01-22 | Kernforschungsanlage Julich Gesellschaft Mit Beschrankter Haftung | Method of making metallic oxide or carbide particles |
| US3911076A (en) * | 1973-12-28 | 1975-10-07 | Kennecott Copper Corp | Process for purifying molybdenite concentrates |
| DE2617968C3 (de) * | 1976-04-24 | 1980-05-22 | Kernforschungsanlage Juelich Gmbh, 5170 Juelich | Verfahren zur Aufarbeitung von bei der Herstellung von Brenn- und/oder Brutstoffen für Kernreaktoren anfallender Ammoniumnitratlösung |
| DE2623977C3 (de) * | 1976-05-28 | 1979-04-12 | Nukem Gmbh, 6450 Hanau | Verfahren und Vorrichtung zur Herstellung von rieselfähigem, direkt verpressbarem Urandioxid-Pulver |
| US4065300A (en) * | 1976-06-28 | 1977-12-27 | Poarch Archie L | Method for extraction of copper products from copper bearing material |
| GB2004256B (en) * | 1977-09-16 | 1982-01-20 | Alkem Gmbh | Process for the production of uo2/puo2 nuclear fuels |
| US4261934A (en) * | 1978-11-30 | 1981-04-14 | Electric Power Research Institute, Inc. | Method for homogenizing mixed oxide nuclear fuels |
| US4225455A (en) * | 1979-06-20 | 1980-09-30 | The United States Of America As Represented By The United States Department Of Energy | Process for decomposing nitrates in aqueous solution |
-
1981
- 1981-01-21 US US06/226,576 patent/US4409157A/en not_active Expired - Fee Related
-
1982
- 1982-01-05 CA CA000393606A patent/CA1170032A/en not_active Expired
- 1982-01-07 GB GB8200389A patent/GB2091710B/en not_active Expired
- 1982-01-18 BE BE0/207081A patent/BE891819A/fr not_active IP Right Cessation
- 1982-01-19 NL NL8200183A patent/NL8200183A/nl not_active Application Discontinuation
- 1982-01-20 IT IT19194/82A patent/IT1149708B/it active
- 1982-01-20 FR FR8200837A patent/FR2498364B1/fr not_active Expired
- 1982-01-21 DE DE19823201771 patent/DE3201771A1/de not_active Withdrawn
- 1982-01-21 CH CH379/82A patent/CH649978A5/fr not_active IP Right Cessation
- 1982-01-21 JP JP57008224A patent/JPS57179022A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1170032A (en) | 1984-07-03 |
| JPS57179022A (en) | 1982-11-04 |
| BE891819A (fr) | 1982-05-17 |
| FR2498364B1 (fr) | 1988-05-27 |
| IT8219194A0 (it) | 1982-01-20 |
| NL8200183A (nl) | 1982-08-16 |
| DE3201771A1 (de) | 1982-11-11 |
| FR2498364A1 (fr) | 1982-07-23 |
| GB2091710B (en) | 1985-03-06 |
| US4409157A (en) | 1983-10-11 |
| IT1149708B (it) | 1986-12-10 |
| GB2091710A (en) | 1982-08-04 |
| JPH03333B2 (2) | 1991-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2327077B1 (fr) | Procede de preparation d'un combustible nucleaire mixte comprenant de l'uranium et au moins un actinide et/ou lanthanide mettant en oeuvre une resine echangeuse de cations | |
| EP0143726B1 (fr) | Procédé de préparation d'oxydes métalliques pulvérulents à partir de solutions aqueuses ou de mélanges solides de nitrates métalliques | |
| EP1756839B1 (fr) | Procede de coprecipitation d'actinides a des etats d'oxydation distincts et procede de preparation de composes mixtes d'actinides | |
| EP0866772B1 (fr) | Procede d'obtention d'un melange d'oxydes metalliques pulverulents, appartenant a la filiere nucleaire, a partir de leurs nitrates | |
| EP2760794B1 (fr) | Procede de preparation d'un oxychlorure et/ou oxyde d ' actinide ( s ) et/ou de lanthanide (s) a partir d'un milieu comprenant au moins un sel fondu | |
| FR2498364A1 (fr) | Procede perfectionne de decomposition de solutions de nitrates metalliques et produits de combustible nucleaire obtenus par ce procede | |
| EP1474359B1 (fr) | Procede de preparation d'un produit a base de phosphate de thorium et/ou d'actinide(s) | |
| Vedder | Oak Ridge national laboratory preparation of sintered 237NpO2 pellets for irradiation to produce 238Pu oxide | |
| FR3074794A1 (fr) | Procede de preparation d'une poudre comprenant des particules de sesquioxyde d'uranium et des particules de dioxyde de plutonium | |
| EP1417687A1 (fr) | Procede de sulfuration d'une poudre d'uo 2? et procede de fabrication de pastilles de combustible nucleaire a base d'uo 2? ou d'oxyde mixte (u, pu)o 2? avec addition de soufre. | |
| FR2750127A1 (fr) | Purification d'alliages d'uranium par solubilite differentielle d'oxydes et production de precurseurs de combustible purifies | |
| WO2019145619A1 (fr) | Procédé de préparation d'une poudre a base d'oxyde(s) comprenant de l'uranium et du plutonium mettant en œuvre un mélange de ligands organiques spécifiques et utilisation de cette poudre pour la fabrication d'un combustible a base d'uranium et de plutonium | |
| CH654820A5 (fr) | Procede pour preparer une poudre frittable de bioxyde d'uranium. | |
| FR3102290A1 (fr) | Procédé de solidification d'hydroxydes de radionucléides | |
| Collins et al. | Evaluation of co-precipitation processes for the synthesis of mixed-oxide fuel feedstock materials | |
| Lee et al. | Thermal granulation of U3O8 powder using a rotary voloxidizer | |
| FR2474021A1 (fr) | Procede de fabrication de pastilles de combustible nucleaire et pastilles obtenues | |
| FR2536571A1 (fr) | Procede de fabrication de pastilles de combustible nucleaire contenant un absorbant neutronique temporaire | |
| EP0239512A1 (fr) | Procédé d'obtention d'oxydes mixtes frittes solubles dans l'acide nitrique à partir de solutions de nitrates | |
| Atakhanova et al. | Interaction of UF6 and UF4 with Methanol | |
| RU2176115C1 (ru) | СПОСОБ ПОЛУЧЕНИЯ ТОПЛИВНОЙ КОМПОЗИЦИИ BaPuO3 ДЛЯ ЯДЕРНЫХ РЕАКТОРОВ | |
| Vasil’kov et al. | Improvement in the Technology for Extracting U–9% Mo Granules from Aluminum and Aluminum Alloy Based Dispersion Compositions | |
| Haas et al. | Decomposition of metal nitrate solutions | |
| Collins et al. | Milestone Report Evaluation of Co-precipitation Processes for the Synthesis of Mixed-Oxide Fuel Feedstock Materials | |
| Haas et al. | Method for improved decomposition of metal nitrate solutions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |