ZA849118B - Process for the preparation of pulverulent metallic oxides from aqueous solutions or solid mixtures of metallic nitrates - Google Patents
Process for the preparation of pulverulent metallic oxides from aqueous solutions or solid mixtures of metallic nitratesInfo
- Publication number
- ZA849118B ZA849118B ZA849118A ZA849118A ZA849118B ZA 849118 B ZA849118 B ZA 849118B ZA 849118 A ZA849118 A ZA 849118A ZA 849118 A ZA849118 A ZA 849118A ZA 849118 B ZA849118 B ZA 849118B
- Authority
- ZA
- South Africa
- Prior art keywords
- nitrate
- oxide
- metallic
- preparation
- pulverulent
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G56/00—Compounds of transuranic elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G56/00—Compounds of transuranic elements
- C01G56/004—Compounds of plutonium
-
- 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
-
- 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
-
- 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
- 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
- C01P2006/80—Compositional purity
-
- 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
- C01P2006/82—Compositional purity water content
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Luminescent Compositions (AREA)
- Developing Agents For Electrophotography (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8319173A FR2555566B1 (fr) | 1983-11-25 | 1983-11-25 | Procede de preparation d'oxydes metalliques pulverulents a partir de solutions aqueuses ou de melanges solides de nitrates metalliques |
CN85103081A CN85103081B (zh) | 1983-11-25 | 1985-04-23 | 生产金属氧化物的控制脱硝工艺 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA849118B true ZA849118B (en) | 1985-07-31 |
Family
ID=25741582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA849118A ZA849118B (en) | 1983-11-25 | 1984-11-22 | Process for the preparation of pulverulent metallic oxides from aqueous solutions or solid mixtures of metallic nitrates |
Country Status (21)
Country | Link |
---|---|
US (1) | US4687601A (da) |
EP (1) | EP0143726B1 (da) |
JP (1) | JPS60200830A (da) |
KR (1) | KR850003876A (da) |
CN (1) | CN85103081B (da) |
AT (1) | ATE76629T1 (da) |
AU (1) | AU573141B2 (da) |
BR (1) | BR8405976A (da) |
CA (1) | CA1264920A (da) |
DD (1) | DD232479A5 (da) |
DE (1) | DE3485751D1 (da) |
DK (1) | DK549384A (da) |
ES (1) | ES8607187A1 (da) |
FI (1) | FI844611L (da) |
FR (1) | FR2555566B1 (da) |
IL (1) | IL73609A (da) |
MA (1) | MA20277A1 (da) |
NO (1) | NO844657L (da) |
PL (1) | PL144338B1 (da) |
YU (1) | YU193884A (da) |
ZA (1) | ZA849118B (da) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2596384B1 (fr) * | 1986-03-25 | 1989-06-30 | Comurhex | Procede d'obtention d'oxydes mixtes frittes solubles dans l'acide nitrique a partir de solutions de nitrates |
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 |
JPH01126591A (ja) * | 1987-11-12 | 1989-05-18 | Japan Atom Energy Res Inst | 添加物を使わない大結晶粒径uo↓2燃料の製造方法 |
DE3805063A1 (de) * | 1988-02-18 | 1989-08-31 | Kernforschungsz Karlsruhe | Verfahren zur herstellung von kernbrennstoff-mischoxiden aus einer nitrat-loesung |
JPH0699154B2 (ja) * | 1988-05-25 | 1994-12-07 | 三菱マテリアル株式会社 | Uo▲下2▼ペレットの製造方法 |
US5098677A (en) * | 1991-04-05 | 1992-03-24 | The United States Of America As Represented By The Department Of Energy | Actinide metal processing |
JP2660147B2 (ja) * | 1993-07-09 | 1997-10-08 | 日本原子力研究所 | ワンス・スルー型原子炉燃料化合物 |
FR2721014B1 (fr) * | 1994-06-13 | 1996-07-26 | Comurhex | Procédé d'obtention de trioxyde d'uranium par dénitration thermique directe de nitrate d'uranyle. |
FR2738076B1 (fr) * | 1995-08-25 | 1997-09-26 | Commissariat Energie Atomique | Procede de fabrication de pastilles de combustible nucleaire a base d'oxyde mixte (u, pu)o2 avec addition d'un produit organique soufre |
FR2742254B1 (fr) * | 1995-12-12 | 1998-02-13 | Comurhex | Procede d'obtention d'un melange d'oxydes metalliques pulverulents, appartenant a la filiere nucleaire, a partir de leurs nitrates |
FR2827072B1 (fr) * | 2001-07-04 | 2005-12-02 | Commissariat Energie Atomique | Procede de fabrication d'un materiau combustible nucleaire composite constitue d'amas d'(u,pu)o2 disperses dans une matrice de uo2 |
CN100431969C (zh) * | 2006-11-09 | 2008-11-12 | 中国科学院长春应用化学研究所 | 一种纳米金属氧化物的制备方法 |
FR3037331B1 (fr) | 2015-06-12 | 2019-09-13 | Orano Cycle | Installation, procede de denitration thermique, utilisation d'une telle installation et produit obtenu par un tel procede |
CN106629854B (zh) * | 2016-10-20 | 2017-12-15 | 核工业理化工程研究院 | 微波加热硝酸铀酰溶液生产三氧化铀的方法 |
CN107162060A (zh) * | 2017-05-26 | 2017-09-15 | 中核四0四有限公司 | 一种硝酸铀酰气流式雾化干燥热解脱硝制备uo3工艺 |
CN108083315B (zh) * | 2018-02-08 | 2020-05-08 | 中国科学院上海应用物理研究所 | 一种片状表面结构的球状二氧化钍纳米材料的制备方法以及由此得到的球状二氧化钍颗粒 |
CN111620361A (zh) * | 2020-05-27 | 2020-09-04 | 西安交通大学 | 一种二氧化钍纳米材料的制备方法 |
CN113447614B (zh) * | 2021-06-21 | 2022-08-09 | 中国原子能科学研究院 | 放射性废液煅烧过程中脱硝率测量方法 |
CN113800551A (zh) * | 2021-10-27 | 2021-12-17 | 福建省长汀金龙稀土有限公司 | 一种利用稀土氯化物蒸汽焙解制备稀土氧化物粉的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3355393A (en) | 1965-09-14 | 1967-11-28 | Minnesota Mining & Mfg | Small spherical nuclear fuel particles and processes of making same |
FR2088170B1 (da) * | 1970-05-25 | 1975-01-10 | Commissariat Energie Atomique | |
US3761547A (en) * | 1970-07-17 | 1973-09-25 | Gen Electric | Process for controlling surface area of ceramic powders |
FR2370695A1 (fr) * | 1976-11-16 | 1978-06-09 | Comurhex | Amelioration au procede de transformation du nitrate d'uranyle en oxyde d'uranium |
JPS54121442A (en) * | 1978-03-13 | 1979-09-20 | Power Reactor & Nuclear Fuel Dev Corp | Microwave heating device for radioactive material |
US4397778A (en) * | 1981-01-09 | 1983-08-09 | Lloyd Milton H | Coprocessed nuclear fuels containing (U, Pu) values as oxides, carbides or carbonitrides |
US4409157A (en) * | 1981-01-21 | 1983-10-11 | Haas Paul A | Method for improved decomposition of metal nitrate solutions |
FR2526006A1 (fr) * | 1982-04-30 | 1983-11-04 | Comurhex | Procede d'obtention de uo3 de grande surface specifique a partir de nitrate d'uranyle hydrate |
FR2536737B1 (fr) | 1982-11-30 | 1985-12-13 | Comurhex | Procede d'obtention de uo3 de grande reactivite par decomposition thermique sous forme solide de nitrate d'uranyle hydrate |
BR8307606A (pt) * | 1982-11-30 | 1984-10-02 | Comurhex | Processo de obtencao de u03 de grande reatividade por decomposicao termica sob forma solida de nitrato de uranila hidratado |
-
1983
- 1983-11-25 FR FR8319173A patent/FR2555566B1/fr not_active Expired
-
1984
- 1984-11-19 ES ES537757A patent/ES8607187A1/es not_active Expired
- 1984-11-19 YU YU01938/84A patent/YU193884A/xx unknown
- 1984-11-20 MA MA20501A patent/MA20277A1/fr unknown
- 1984-11-20 DK DK549384A patent/DK549384A/da not_active Application Discontinuation
- 1984-11-21 US US06/674,174 patent/US4687601A/en not_active Expired - Lifetime
- 1984-11-21 JP JP59246956A patent/JPS60200830A/ja active Granted
- 1984-11-22 CA CA000468423A patent/CA1264920A/fr not_active Expired - Fee Related
- 1984-11-22 ZA ZA849118A patent/ZA849118B/xx unknown
- 1984-11-22 NO NO844657A patent/NO844657L/no unknown
- 1984-11-22 EP EP84420195A patent/EP0143726B1/fr not_active Expired - Lifetime
- 1984-11-22 DE DE8484420195T patent/DE3485751D1/de not_active Expired - Fee Related
- 1984-11-22 AT AT84420195T patent/ATE76629T1/de not_active IP Right Cessation
- 1984-11-23 IL IL73609A patent/IL73609A/xx unknown
- 1984-11-23 KR KR1019840007351A patent/KR850003876A/ko not_active Application Discontinuation
- 1984-11-23 PL PL1984250562A patent/PL144338B1/pl unknown
- 1984-11-23 FI FI844611A patent/FI844611L/fi not_active Application Discontinuation
- 1984-11-23 BR BR8405976A patent/BR8405976A/pt unknown
- 1984-11-23 AU AU35846/84A patent/AU573141B2/en not_active Expired - Fee Related
- 1984-11-23 DD DD84269840A patent/DD232479A5/de unknown
-
1985
- 1985-04-23 CN CN85103081A patent/CN85103081B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI844611A0 (fi) | 1984-11-23 |
PL144338B1 (en) | 1988-05-31 |
JPS60200830A (ja) | 1985-10-11 |
IL73609A (en) | 1987-12-31 |
ES8607187A1 (es) | 1986-05-16 |
YU193884A (en) | 1987-10-31 |
CN85103081B (zh) | 1987-07-22 |
PL250562A1 (en) | 1985-06-04 |
CA1264920A (fr) | 1990-01-30 |
DD232479A5 (de) | 1986-01-29 |
US4687601A (en) | 1987-08-18 |
DE3485751D1 (de) | 1992-07-02 |
FR2555566A1 (fr) | 1985-05-31 |
DK549384D0 (da) | 1984-11-20 |
ATE76629T1 (de) | 1992-06-15 |
NO844657L (no) | 1985-05-28 |
MA20277A1 (fr) | 1985-07-01 |
AU573141B2 (en) | 1988-05-26 |
FI844611L (fi) | 1985-05-26 |
ES537757A0 (es) | 1986-05-16 |
EP0143726B1 (fr) | 1992-05-27 |
JPS629534B2 (da) | 1987-02-28 |
KR850003876A (ko) | 1985-06-29 |
EP0143726A1 (fr) | 1985-06-05 |
FR2555566B1 (fr) | 1989-02-17 |
BR8405976A (pt) | 1985-09-17 |
AU3584684A (en) | 1985-05-30 |
DK549384A (da) | 1985-05-26 |
CN85103081A (zh) | 1986-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA849118B (en) | Process for the preparation of pulverulent metallic oxides from aqueous solutions or solid mixtures of metallic nitrates | |
SE7901484L (sv) | Blandkristaller av (u,pu)o2 | |
NO853057L (no) | Katalysator-forloepermateriale og fremgangsmaate til fremstilling derav. | |
GB1146879A (en) | Nuclear reactor fuel | |
GB847013A (en) | Fuel element composition and process of making same | |
FI820185L (fi) | Foerfarande foer att foerhindra eller foerminska risken att ennlaeggning och dess omgivning utsaetts foer paoverkan av e rgerande blandningar | |
US3477830A (en) | Production of sinterable uranium dioxide | |
GB946513A (en) | Preparation of spherical uranium dioxide particles | |
SE8504293L (sv) | Kontinuerligt forfarande for framstellning av pulverformig urandioxid av uranylnitrat | |
JPS52147589A (en) | Production of vanadium oxide catalyst | |
FR2370695A1 (fr) | Amelioration au procede de transformation du nitrate d'uranyle en oxyde d'uranium | |
KR890017177A (ko) | Uo₂펠릿의 제조방법 | |
ES314611A1 (es) | Procedimiento de preparacion de particulas densas de oxidos de metales actinidos. | |
GB1142497A (en) | A process for recovering uranium from zirconium clad uranium bearing nuclear fuel elements | |
GB1360341A (en) | Method for reducing the oxygen in certain actinide oxides to less than stoichiometric levels | |
GB837023A (en) | Improvements in or relating to processes for the production of ceramic bodies | |
JPS5366894A (en) | Production of alpha-type hemihydrate gypsum from absorbing solution of wetlime-gypsum method flue gas desulfurization | |
GB1158287A (en) | Method of Fluorination of Nuclear Fuel. | |
JPS5574452A (en) | Preparation of oxygen concentration detecting element | |
JPS5238403A (en) | Process for production of low nox sintered ores | |
GB1026904A (en) | Improvements in or relating to activated alumina products | |
GB1329344A (en) | Continuous process for the preparation of oxide of uranium oxide of uranium-oxide of plutonium spheres with a controlled porosity | |
FR2235891A1 (en) | Plaster calcination appts. - for prodn. of close tolerance dimension particles | |
GB1198525A (en) | Method of Fluorination of a Material Containing Uranium and Plutonium. | |
Degtyareva et al. | Deformation and sintering of pressure-molded materials from chemical industry wastes and of their mixtures with magnesite |