DE1949962C3 - Verfahren zur Herstellung von Urandioxid - Google Patents
Verfahren zur Herstellung von UrandioxidInfo
- Publication number
- DE1949962C3 DE1949962C3 DE1949962A DE1949962A DE1949962C3 DE 1949962 C3 DE1949962 C3 DE 1949962C3 DE 1949962 A DE1949962 A DE 1949962A DE 1949962 A DE1949962 A DE 1949962A DE 1949962 C3 DE1949962 C3 DE 1949962C3
- Authority
- DE
- Germany
- Prior art keywords
- fluidized bed
- hydrogen
- approx
- fluoride
- uranium
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 54
- 230000008569 process Effects 0.000 title claims description 41
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 title claims description 24
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000002245 particle Substances 0.000 claims description 62
- 238000006243 chemical reaction Methods 0.000 claims description 41
- 229910052739 hydrogen Inorganic materials 0.000 claims description 41
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 40
- 239000001257 hydrogen Substances 0.000 claims description 40
- KCKICANVXIVOLK-UHFFFAOYSA-L dioxouranium(2+);difluoride Chemical compound [F-].[F-].O=[U+2]=O KCKICANVXIVOLK-UHFFFAOYSA-L 0.000 claims description 39
- 238000006460 hydrolysis reaction Methods 0.000 claims description 28
- 230000007062 hydrolysis Effects 0.000 claims description 27
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 21
- SANRKQGLYCLAFE-UHFFFAOYSA-H uranium hexafluoride Chemical compound F[U](F)(F)(F)(F)F SANRKQGLYCLAFE-UHFFFAOYSA-H 0.000 claims description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000003085 diluting agent Substances 0.000 claims description 10
- 238000000197 pyrolysis Methods 0.000 claims description 8
- 238000011282 treatment Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- MZFRHHGRNOIMLW-UHFFFAOYSA-J uranium(4+);tetrafluoride Chemical compound F[U](F)(F)F MZFRHHGRNOIMLW-UHFFFAOYSA-J 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 238000006115 defluorination reaction Methods 0.000 description 41
- 239000007789 gas Substances 0.000 description 21
- 239000000047 product Substances 0.000 description 18
- 230000002829 reductive effect Effects 0.000 description 10
- 238000013459 approach Methods 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 229910052770 Uranium Inorganic materials 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 125000005289 uranyl group Chemical group 0.000 description 6
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- -1 UFs Chemical compound 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012084 conversion product Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010902 jet-milling Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000010944 pre-mature reactiony Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 150000003671 uranium compounds Chemical class 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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
- C01G43/025—Uranium dioxide
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76507168A | 1968-10-04 | 1968-10-04 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1949962A1 DE1949962A1 (de) | 1970-09-17 |
| DE1949962B2 DE1949962B2 (de) | 1981-07-02 |
| DE1949962C3 true DE1949962C3 (de) | 1982-03-11 |
Family
ID=25072559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1949962A Expired DE1949962C3 (de) | 1968-10-04 | 1969-10-03 | Verfahren zur Herstellung von Urandioxid |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3765844A (enExample) |
| DE (1) | DE1949962C3 (enExample) |
| FR (1) | FR2019956B1 (enExample) |
| GB (1) | GB1280865A (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020146A (en) * | 1969-07-18 | 1977-04-26 | Westinghouse Electric Corporation | Production of uranium dioxide |
| US3979499A (en) * | 1970-03-09 | 1976-09-07 | The Babcock & Wilcox Company | Method for reducing uranium tetrafluoride |
| SE367884B (enExample) * | 1971-03-04 | 1974-06-10 | Gen Electric | |
| US3978194A (en) * | 1971-06-21 | 1976-08-31 | Westinghouse Electric Corporation | Production of sized particles of uranium oxides and uranium oxyfluorides |
| US3906081A (en) * | 1973-05-31 | 1975-09-16 | Exxon Nuclear Co Inc | Fluidized reactor reduction of UF{HD 6 {B to UO{HD 2 |
| US4051227A (en) * | 1974-02-22 | 1977-09-27 | The Babcock & Wilcox Company | Method for reducing uranium tetrafluoride |
| US3923619A (en) * | 1974-09-16 | 1975-12-02 | Us Energy | O{HU 18 {B Enrichment process in UO{HD 2{B F{HD 2 {B utilizing laser light |
| FR2310315A1 (fr) * | 1975-05-09 | 1976-12-03 | Commissariat Energie Atomique | Procede et dispositif de fabrication d'oxyde d'uranium uo2 par voie seche |
| US4053559A (en) * | 1976-06-14 | 1977-10-11 | Westinghouse Electric Corporation | Production of uranium dioxide |
| JPS5692124A (en) * | 1979-12-10 | 1981-07-25 | British Nuclear Fuels Ltd | Conversion to oxide of uranium from uranium hexafluoride |
| US4666684A (en) * | 1984-02-14 | 1987-05-19 | Westinghouse Electric Corp. | Process for producing uranium dioxide |
| US4830841A (en) * | 1984-12-24 | 1989-05-16 | Advanced Nuclear Fuels Corporation | Conversion of uranium hexafluoride to uranium dioxide |
| JPS61281019A (ja) * | 1985-06-04 | 1986-12-11 | Mitsubishi Metal Corp | 六フツ化ウランを二酸化ウランに変換する方法 |
| JPS61286225A (ja) * | 1985-06-11 | 1986-12-16 | Mitsubishi Metal Corp | 六フツ化ウランを二酸化ウランに変換する方法 |
| CA2068068A1 (en) * | 1991-08-30 | 1993-03-01 | James H. Mestepey | Recovery of anhydrous hydrogen fluoride from depleted uranium |
| GB9411096D0 (en) * | 1994-06-03 | 1994-07-27 | British Nuclear Fuels Plc | Uranium oxide production |
| US5717149A (en) * | 1995-06-05 | 1998-02-10 | Molten Metal Technology, Inc. | Method for producing halogenated products from metal halide feeds |
| US6352677B1 (en) * | 1996-06-04 | 2002-03-05 | Alliedsignal, Inc. | Process to produce commercial grade anhydrous hydrogen fluoride (AHF) and uranium oxide from the delfuorination of uranium hexafluoride (UF6) |
| JP4085520B2 (ja) * | 1999-06-16 | 2008-05-14 | 三菱マテリアル株式会社 | 劣化ｕｆ６の処理設備及びその処理方法 |
| FR2805044B1 (fr) * | 2000-02-11 | 2002-05-17 | Franco Belge Combustibles | Procede et dispositif de determination de l'evolution d'une reaction chimique dans un four et de reglage de la reaction |
| US7824640B1 (en) | 2006-07-25 | 2010-11-02 | Westinghouse Electric Co. Llc | Two step dry UO2 production process utilizing a positive sealing valve means between steps |
| US20080025894A1 (en) * | 2006-07-25 | 2008-01-31 | Lahoda Edward J | Two step uo2 production process |
| EP1985587A1 (en) * | 2007-04-27 | 2008-10-29 | Westinghouse Electric Company LLC | Two step dry UO2 production process |
| EP2277831B1 (en) * | 2009-07-20 | 2012-05-23 | Westinghouse Electric Company LLC | Two step dry UO2 production process utilizing a positive sealing valve means between steps |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB979351A (en) * | 1961-01-23 | 1965-01-01 | Atomic Energy Authority Uk | Improvements in or relating to the manufacture of uranium dioxide |
| US3168369A (en) * | 1961-12-18 | 1965-02-02 | Grace W R & Co | Uranium processing |
| US3179491A (en) * | 1962-02-20 | 1965-04-20 | Osaka Kinzoku Kogyo Company Lt | Method for preparing uranium dioxide |
| US3148151A (en) * | 1962-02-22 | 1964-09-08 | Grace W R & Co | Method of preparing rare earthactinide metal oxide sols |
| US3160471A (en) * | 1963-05-21 | 1964-12-08 | Irving E Knudsen | Preparation of dense uranium dioxide particles |
| BE657979A (enExample) * | 1964-01-10 | |||
| US3260575A (en) * | 1964-11-19 | 1966-07-12 | Richard L Heestand | Single-step process for preparation of uranium dioxide from uranium hexafluoride |
| US3273974A (en) * | 1965-10-11 | 1966-09-20 | John D Gabor | Fluidization of sinterable fines |
-
1968
- 1968-10-04 US US00765071A patent/US3765844A/en not_active Expired - Lifetime
-
1969
- 1969-10-03 FR FR696933941A patent/FR2019956B1/fr not_active Expired
- 1969-10-03 GB GB48726/69A patent/GB1280865A/en not_active Expired
- 1969-10-03 DE DE1949962A patent/DE1949962C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1949962A1 (de) | 1970-09-17 |
| FR2019956B1 (enExample) | 1973-02-02 |
| DE1949962B2 (de) | 1981-07-02 |
| GB1280865A (en) | 1972-07-05 |
| FR2019956A1 (enExample) | 1970-07-10 |
| US3765844A (en) | 1973-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |