JP2016008891A - アクチニドの分離方法およびアクチニドの分離装置 - Google Patents
アクチニドの分離方法およびアクチニドの分離装置 Download PDFInfo
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- 229910052768 actinide Inorganic materials 0.000 title claims abstract description 125
- 150000001255 actinides Chemical class 0.000 title claims abstract description 124
- 238000000926 separation method Methods 0.000 title claims abstract description 69
- 239000002915 spent fuel radioactive waste Substances 0.000 claims abstract description 116
- 239000002608 ionic liquid Substances 0.000 claims abstract description 115
- 238000000605 extraction Methods 0.000 claims abstract description 81
- 239000008139 complexing agent Substances 0.000 claims abstract description 71
- 239000002904 solvent Substances 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000004090 dissolution Methods 0.000 claims abstract description 29
- 238000011084 recovery Methods 0.000 claims abstract description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 13
- 229910052731 fluorine Inorganic materials 0.000 claims description 12
- 239000011737 fluorine Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 8
- 238000003682 fluorination reaction Methods 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- KOHUSHSNNOEPFN-UHFFFAOYSA-N 2-[2-(dioctylamino)-2-oxoethoxy]acetic acid Chemical compound CCCCCCCCN(C(=O)COCC(O)=O)CCCCCCCC KOHUSHSNNOEPFN-UHFFFAOYSA-N 0.000 claims description 4
- ZDFBXXSHBTVQMB-UHFFFAOYSA-N 2-ethylhexoxy(2-ethylhexyl)phosphinic acid Chemical compound CCCCC(CC)COP(O)(=O)CC(CC)CCCC ZDFBXXSHBTVQMB-UHFFFAOYSA-N 0.000 claims description 4
- CVRXLMUYFMERMJ-UHFFFAOYSA-N N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine Chemical compound C=1C=CC=NC=1CN(CC=1N=CC=CC=1)CCN(CC=1N=CC=CC=1)CC1=CC=CC=N1 CVRXLMUYFMERMJ-UHFFFAOYSA-N 0.000 claims description 4
- VRZYWIAVUGQHKB-UHFFFAOYSA-N 2-[2-(dioctylamino)-2-oxoethoxy]-n,n-dioctylacetamide Chemical compound CCCCCCCCN(CCCCCCCC)C(=O)COCC(=O)N(CCCCCCCC)CCCCCCCC VRZYWIAVUGQHKB-UHFFFAOYSA-N 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- SGZRFMMIONYDQU-UHFFFAOYSA-N n,n-bis(2-methylpropyl)-2-[octyl(phenyl)phosphoryl]acetamide Chemical compound CCCCCCCCP(=O)(CC(=O)N(CC(C)C)CC(C)C)C1=CC=CC=C1 SGZRFMMIONYDQU-UHFFFAOYSA-N 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 8
- 230000004992 fission Effects 0.000 description 23
- 230000008929 regeneration Effects 0.000 description 23
- 238000011069 regeneration method Methods 0.000 description 23
- 229910052770 Uranium Inorganic materials 0.000 description 20
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 18
- 229910052778 Plutonium Inorganic materials 0.000 description 16
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 14
- 150000001450 anions Chemical class 0.000 description 13
- 150000001768 cations Chemical class 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- 238000012958 reprocessing Methods 0.000 description 11
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 10
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- -1 halide ions Chemical class 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
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- 230000000694 effects Effects 0.000 description 7
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- RAXXELZNTBOGNW-UHFFFAOYSA-O Imidazolium Chemical compound C1=C[NH+]=CN1 RAXXELZNTBOGNW-UHFFFAOYSA-O 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 239000010808 liquid waste Substances 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 230000002285 radioactive effect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- QCCDYNYSHILRDG-UHFFFAOYSA-K cerium(3+);trifluoride Chemical compound [F-].[F-].[F-].[Ce+3] QCCDYNYSHILRDG-UHFFFAOYSA-K 0.000 description 3
- BBGKDYHZQOSNMU-UHFFFAOYSA-N dicyclohexano-18-crown-6 Chemical compound O1CCOCCOC2CCCCC2OCCOCCOC2CCCCC21 BBGKDYHZQOSNMU-UHFFFAOYSA-N 0.000 description 3
- 150000002222 fluorine compounds Chemical group 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000000638 solvent extraction Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 3
- ZMBHCYHQLYEYDV-UHFFFAOYSA-N trioctylphosphine oxide Chemical compound CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC ZMBHCYHQLYEYDV-UHFFFAOYSA-N 0.000 description 3
- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical compound FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- RWRDLPDLKQPQOW-UHFFFAOYSA-O Pyrrolidinium ion Chemical compound C1CC[NH2+]C1 RWRDLPDLKQPQOW-UHFFFAOYSA-O 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-M Trifluoroacetate Chemical compound [O-]C(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-M 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000002927 high level radioactive waste Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 2
- SANRKQGLYCLAFE-UHFFFAOYSA-H uranium hexafluoride Chemical compound F[U](F)(F)(F)(F)F SANRKQGLYCLAFE-UHFFFAOYSA-H 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052695 Americium Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910052685 Curium Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical group F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- KWPGVWHAJORRAP-UHFFFAOYSA-N N,N-bis(2-methylpropyl)-1-[nonyl(phenyl)phosphoryl]formamide Chemical compound C(CCCCCCC)CP(C(N(CC(C)C)CC(C)C)=O)(C1=CC=CC=C1)=O KWPGVWHAJORRAP-UHFFFAOYSA-N 0.000 description 1
- 229910052781 Neptunium Inorganic materials 0.000 description 1
- NQRYJNQNLNOLGT-UHFFFAOYSA-O Piperidinium(1+) Chemical compound C1CC[NH2+]CC1 NQRYJNQNLNOLGT-UHFFFAOYSA-O 0.000 description 1
- LXQXZNRPTYVCNG-UHFFFAOYSA-N americium atom Chemical compound [Am] LXQXZNRPTYVCNG-UHFFFAOYSA-N 0.000 description 1
- 239000011830 basic ionic liquid Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009375 geological disposal Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LFNLGNPSGWYGGD-UHFFFAOYSA-N neptunium atom Chemical compound [Np] LFNLGNPSGWYGGD-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/42—Reprocessing of irradiated fuel
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/42—Reprocessing of irradiated fuel
- G21C19/44—Reprocessing of irradiated fuel of irradiated solid fuel
-
- 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
- G21F9/12—Processing by absorption; by adsorption; by ion-exchange
- G21F9/125—Processing by absorption; by adsorption; by ion-exchange by solvent extraction
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
【解決手段】イオン液体5を用いて使用済燃料の成分7を含む物質からアクチニド12を分離する分離方法において、錯化剤6とイオン液体5を含む第1の溶液に使用済燃料を溶解させる溶解ステップ1と、使用済燃料を溶解させた第1の溶液に抽出溶媒を接触させることでアクチニド12を抽出溶媒9に分離回収する回収ステップを備えることを特徴とするアクチニドの分離方法。
【選択図】図1
Description
本発明の第1の実施例について、図1を用いて説明する。図1は、使用済燃料からアクチニドを分離するまでの工程を示す本実施例のフローチャートである。本実施例では、使用済燃料の成分7をイオン液体5で溶解する溶解工程1と、溶解工程1で得られた溶液A8を抽出溶媒9と接触させることでアクチニド12を抽出液10に回収する抽出工程2と、抽出液10を抽出溶媒9と錯化剤6とアクチニド12に分離する再生工程B4と、溶液A8からアクチニド12が分離された溶液である溶液B11をイオン液体5と核分裂生成物(FP)13に分離する再生工程A3を備える。
本発明の第2の実施例について、図3を用いて説明する。本実施例では、使用済燃料からアクチニドを分離するまでの工程は実施例1(図1)と同様であるが、使用済燃料からアクチニドを分離するアクチニドの分離装置が実施例1(図2)と異なる。図3を用いて、使用済燃料の成分からアクチニドを分離する本実施例のアクチニドの分離装置について、実施例1と異なる構成を中心に説明する。本実施例のアクチニドの分離装置は、溶解槽兼分離槽30、熱交換器21、攪拌装置31、ポンプ24、ポンプ25、バルブ34、バルブ35、バルブ36、バルブ37、バルブ38、バルブ39を備える。
本発明の第3の実施例について、図1を用いて説明する。本実施例1では使用済燃料を脱被覆して得られた使用済燃料の成分7をイオン液体に溶解する方法を記載したが、本実施例では、使用済燃料の成分をあらかじめフッ素を含むガスと反応させることで固体フッ化物(これも使用済燃料の成分7という)に変換し、この使用済燃料の成分7をイオン液体に溶解する。なお、本実施例では、使用済燃料からアクチニドを分離するアクチニドの分離装置として実施例1の分離装置(図2)を用いた例を説明するが、実施例2の分離装置(図3)であっても良い。本実施例のアクチニドの分離方法について、図1を用いて、実施例1と異なる構成を中心に説明する。
本発明の第4の実施例について、図4を用いて説明する。図4は、使用済燃料からアクチニドを分離するまでの工程を示す本実施例のフローチャートである。本実施例では、使用済燃料の成分(固体フッ化物)7をイオン液体5で溶解する溶解工程1と、溶解工程1で得られた溶液A8を抽出溶媒9と接触させることでアクチニド12を抽出液10に回収する抽出工程2と、抽出液10を抽出溶媒9と錯化剤6とアクチニド12に分離する再生工程B4と、溶液A8からアクチニド12が分離された溶液である溶液B11をイオン液体5と核分裂生成物(FP)13に分離する再生工程A3を備える。実施例1とは、溶解工程1で錯化剤6を加えない点と、再生工程B4で抽出溶媒9と錯化剤6をそれぞれ分離せず、同一に回収する点が異なっている。以下に、本実施例のアクチニドの分離方法について、実施例1と異なる構成を中心に詳細に説明する。なお、実施例1と同様に、使用済燃料をフッ素ガスと反応させることで使用済燃料の成分7を得る場合を説明する。
2・・抽出工程
3・・再生工程A
4・・再生工程B
5・・イオン液体
6・・錯化剤
7・・使用済燃料の成分
8・・溶液A
9・・.抽出溶媒
10・・抽出液
11・・ 溶液B
12・・アクチニド
13・・核分裂生成物(FP)
20・・溶解槽
21・・熱交換器
22・・ポンプ
23・・分離槽
24・・ポンプ
25・・ポンプ
26・・バルブ
27・・バルブ
28・・バルブ
30・・バルブ
31・・バルブ
32・・バルブ
33・・バルブ
34・・バルブ
35・・バルブ
36・・バルブ
37・・バルブ
38・・バルブ
39・・バルブ
Claims (8)
- イオン液体を用いて使用済燃料の成分を含む物質からアクチニドを分離する分離方法において、
錯化剤と前記イオン液体を含む第1の溶液に前記使用済燃料を溶解させる溶解ステップと、
前記使用済燃料を溶解させた前記第1の溶液に抽出溶媒を接触させることで、前記アクチニドを前記抽出溶媒に分離回収する回収ステップを備えることを特徴とするアクチニドの分離方法。 - 請求項1に記載のアクチニドの分離方法において、
前記使用済燃料をフッ素と反応させて固体フッ化物を生成するフッ化ステップを備え、
前記溶解ステップは、前記使用済燃料をフッ素と反応させて生成した固体フッ化物を、錯化剤と前記イオン液体を含む第1の溶液に溶解させることを特徴とするアクチニドの分離方法。 - 請求項1又は2に記載のアクチニドの分離方法において、
前記錯化剤は、化合物の構造中にリンと酸素の二重結合を含む錯化剤であることを特徴とするアクチニドの分離方法。 - 請求項1又は2に記載のアクチニドの分離方法において、
前記錯化剤は、化合物の構造中にアミド結合を含む錯化剤であることを特徴とするアクチニドの分離方法。 - 請求項1又は2に記載のアクチニドの分離方法において、
前記錯化剤は、CMPO、TBP、TOPO、D2EHPA、TPEN、PC-88A、TODGA、DODGAA、DC18C6のうち少なくともいずれか1つを含むことを特徴とするアクチニドの分離方法。 - 請求項1乃至5のいずれか1項に記載のアクチニドの分離方法において、
前記抽出溶媒は、アルカンもしくはアルキル基をもつ化合物のうち少なくともいずれか1つを含むことを特徴とするアクチニドの分離方法。 - イオン液体を用いて使用済燃料の成分を含む物質からアクチニドを分離する分離装置において、
錯化剤と前記イオン液体を含む第1の溶液に前記使用済燃料を溶解させる溶解槽と、
前記第1の溶液からアクチニドを抽出分離する分離槽を備えることを特徴とするアクチニドの分離装置。 - 請求項7に記載の分離装置において、
前記溶解槽に前記抽出溶媒を供給する供給口が設けられており、前記溶解槽内で前記溶液からのアクチニドの抽出分離する構成であることを特徴とするアクチニドの分離装置。
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JP2014129805A JP2016008891A (ja) | 2014-06-25 | 2014-06-25 | アクチニドの分離方法およびアクチニドの分離装置 |
GB1510669.3A GB2534432B (en) | 2014-06-25 | 2015-06-17 | Method for seperating actinides and apparatus for seperating actinides |
FR1555803A FR3023052A1 (fr) | 2014-06-25 | 2015-06-24 | Procede de separation des actinides et appareil de separation des actinides. |
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JP2014129805A JP2016008891A (ja) | 2014-06-25 | 2014-06-25 | アクチニドの分離方法およびアクチニドの分離装置 |
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WO2017145352A1 (ja) * | 2016-02-26 | 2017-08-31 | 株式会社日立製作所 | マイナーアクチニドの分離方法及びマイナーアクチニド分離装置 |
WO2021178751A3 (en) * | 2020-03-06 | 2021-12-02 | The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, Las Vegas | Stoichiometric recovery of uf4 from uf6 dissolved in ionic liquids |
US11760654B2 (en) | 2019-03-29 | 2023-09-19 | The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, Las Vegas | Conversion of uranium hexafluoride and recovery of uranium from ionic liquids |
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CN107021537A (zh) * | 2017-03-14 | 2017-08-08 | 北京惠宇乐邦环保科技有限公司 | 一种2‑羟基‑3‑萘甲酸生产废水的处理方法 |
CN112680609B (zh) * | 2020-12-14 | 2022-06-03 | 中国人民解放军63653部队 | 一种钚回收离子液体萃取剂及其从含钚废液中萃取分离钚的方法 |
CN113209667B (zh) * | 2021-03-30 | 2022-04-12 | 浙江大学 | 一种离子液体/碱双水相体系萃取分离金属含氧酸根的方法 |
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JP2002503820A (ja) * | 1998-02-11 | 2002-02-05 | ブリティッシュ・ニュークリア・フューエルズ・パブリック・リミテッド・カンパニー | 核燃料再処理 |
US20090184051A1 (en) * | 2006-04-19 | 2009-07-23 | Xavier Heres | Grouped separation of actinides from a highly acidic aqueous phase |
WO2015059777A1 (ja) * | 2013-10-23 | 2015-04-30 | 株式会社日立製作所 | アクチニドの分離方法および使用済燃料処理装置 |
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FR3015760B1 (fr) * | 2013-12-20 | 2016-01-29 | Commissariat Energie Atomique | Procede de traitement d'un combustible nucleaire use comprenant une etape de decontamination de l'uranium(vi) en au moins un actinide(iv) par complexation de cet actinide(iv) |
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JP2002503820A (ja) * | 1998-02-11 | 2002-02-05 | ブリティッシュ・ニュークリア・フューエルズ・パブリック・リミテッド・カンパニー | 核燃料再処理 |
US20090184051A1 (en) * | 2006-04-19 | 2009-07-23 | Xavier Heres | Grouped separation of actinides from a highly acidic aqueous phase |
WO2015059777A1 (ja) * | 2013-10-23 | 2015-04-30 | 株式会社日立製作所 | アクチニドの分離方法および使用済燃料処理装置 |
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Cited By (3)
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WO2017145352A1 (ja) * | 2016-02-26 | 2017-08-31 | 株式会社日立製作所 | マイナーアクチニドの分離方法及びマイナーアクチニド分離装置 |
US11760654B2 (en) | 2019-03-29 | 2023-09-19 | The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, Las Vegas | Conversion of uranium hexafluoride and recovery of uranium from ionic liquids |
WO2021178751A3 (en) * | 2020-03-06 | 2021-12-02 | The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, Las Vegas | Stoichiometric recovery of uf4 from uf6 dissolved in ionic liquids |
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GB2534432A (en) | 2016-07-27 |
GB201510669D0 (en) | 2015-07-29 |
FR3023052A1 (fr) | 2016-01-01 |
GB2534432B (en) | 2017-06-07 |
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