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RU2018118245A - APPLICATION OF ALDOXIMES CONTAINING AT LEAST FIVE CARBON ATOMS AS AN AGENTS OF ANTI-NITROGEN ACTION IN OPERATIONS OF REDUCTIVE RE-EXTRACTION OF PLUTONIUM - Google Patents

APPLICATION OF ALDOXIMES CONTAINING AT LEAST FIVE CARBON ATOMS AS AN AGENTS OF ANTI-NITROGEN ACTION IN OPERATIONS OF REDUCTIVE RE-EXTRACTION OF PLUTONIUM Download PDF

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Publication number
RU2018118245A
RU2018118245A RU2018118245A RU2018118245A RU2018118245A RU 2018118245 A RU2018118245 A RU 2018118245A RU 2018118245 A RU2018118245 A RU 2018118245A RU 2018118245 A RU2018118245 A RU 2018118245A RU 2018118245 A RU2018118245 A RU 2018118245A
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Russia
Prior art keywords
plutonium
organic
carbon atoms
use according
extraction
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RU2018118245A
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Russian (ru)
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RU2718437C2 (en
RU2018118245A3 (en
Inventor
Бинх ДИНХ
Патрик ПОШОН
Жиль БЕРНЬЕ
Корали БАЛАГЁР
Марк МОНТВИР
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Коммиссариат А Л' Энержи Атомик Э Оз Энержи Альтернатив
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Publication of RU2018118245A publication Critical patent/RU2018118245A/en
Publication of RU2018118245A3 publication Critical patent/RU2018118245A3/ru
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • 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
    • G21C19/46—Aqueous processes, e.g. by using organic extraction means, including the regeneration of these means
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)

Claims (16)

1. Применение по меньшей мере одного альдоксима формулы R-CH=N-OH, где R означает линейную или разветвленную углеводородную цепь с по меньшей мере 4 атомами углерода, в качестве агента противоазотистого действия в операции восстановительной реэкстракции плутония.1. The use of at least one aldoxime of the formula R-CH = N-OH, where R is a straight or branched hydrocarbon chain with at least 4 carbon atoms, as an anti-nitrogen agent in the reductive re-extraction of plutonium. 2. Применение по п. 1, в котором R означает линейную или разветвлённую углеводородную цепь с 4-12 атомами углерода.2. The use according to claim 1, in which R means a linear or branched hydrocarbon chain with 4-12 carbon atoms. 3. Применение по п. 2, в котором R означает линейную или разветвлённую углеводородную цепь с 4-8 атомами углерода.3. The use according to claim 2, in which R means a linear or branched hydrocarbon chain with 4-8 carbon atoms. 4. Применение по п. 3, в котором R означает линейную алкильную цепь с 4-8 атомами углерода.4. The use according to claim 3, in which R means a linear alkyl chain with 4-8 carbon atoms. 5. Применение по п. 4, в котором альдоксимом является оксим пенталя или оксим гексаналя.5. The use of claim 4, wherein the aldoxime is pental oxime or hexanal oxime. 6. Применение по любому из пп. 1-5, в котором операция восстановительной реэкстракции плутония включает6. The use according to any one of paragraphs. 1-5, in which the operation of reductive extraction of plutonium includes приведение в контакт органической не смешивающейся с водой фазы, содержащей экстрагент и плутоний в степени окисления IV в органическом растворителе, с водной фазой, содержащей восстановитель для восстановления плутония (IV) в плутоний (III) и азотную кислоту, при этом одна из органической и водной фаз дополнительно содержит альдоксим, иcontacting an organic water-immiscible phase containing extractant and plutonium with oxidation state IV in an organic solvent, with an aqueous phase containing a reducing agent for reducing plutonium (IV) to plutonium (III) and nitric acid, while one of the organic and aqueous the phase further comprises aldoxime, and разделение контактирующих таким образом органической и водной фаз.separation of organic and aqueous phases in contact in this way. 7. Применение по п. 6, в котором восстановитель выбран из урана (IV), нитрата гидроксиламмония, алкильных производных гидроксиламина, сульфамата двухвалентного железа и сульфаминовой кислоты.7. The use according to claim 6, in which the reducing agent is selected from uranium (IV), hydroxylammonium nitrate, alkyl derivatives of hydroxylamine, ferrous sulfamate and sulfamic acid. 8. Применение по п. 7, в котором восстановителем является уран (IV) или нитрат гидроксиламмония.8. The use according to claim 7, in which the reducing agent is uranium (IV) or hydroxylammonium nitrate. 9. Применение по п. 6, в котором экстрагентом является фосфат три-н-алкила.9. The use of claim 6, wherein the extractant is tri-n-alkyl phosphate. 10. Применение по п. 9, в котором экстрагентом является фосфат три-н-бутила.10. The use of claim 9, wherein the extractant is tri-n-butyl phosphate. 11. Применение по п. 6, в котором альдоксим используется при концентрации от 0,01 до 3 моль/л органической или водной фазы.11. The use according to claim 6, in which the aldoxime is used at a concentration of from 0.01 to 3 mol / L of the organic or aqueous phase. 12. Применение по п. 6, в котором водная фаза дополнительно содержит оксим, не экстрагируемый органической фазой.12. The use of claim 6, wherein the aqueous phase further comprises an oxime not extractable by the organic phase. 13. Применение по п. 12, в котором не экстрагируемым органической фазой оксимом является ацеталдоксим.13. The use of claim 12, wherein the non-extractable organic phase oxime is acetaldoxime. 14. Применение по п. 6, в котором операцией восстановительной реэкстракции плутония является одна из операций по реэкстракции плутония в способе PUREX или способе COЕX.14. The use of claim 6, wherein the plutonium re-extraction operation is one of plutonium re-extraction operations in the PUREX method or the COEX method.
RU2018118245A 2015-10-21 2016-10-18 Use of aldoximes containing at least five carbon atoms as anti-nitrogen agents in plerotinium re-extraction operations RU2718437C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1560048 2015-10-21
FR1560048A FR3042904B1 (en) 2015-10-21 2015-10-21 USE OF ALDOXIMES COMPRISING AT LEAST FIVE CARBON ATOMS AS ANTI-NITROUS AGENTS IN PLUTONIUM REDUCTIVE DESEXTRACTION OPERATIONS
PCT/EP2016/074987 WO2017067933A1 (en) 2015-10-21 2016-10-18 Use of aldoximes comprising at least five carbon atoms as anti-nitrous agents in operations for the reductive back-extraction of plutonium

Publications (3)

Publication Number Publication Date
RU2018118245A true RU2018118245A (en) 2019-11-21
RU2018118245A3 RU2018118245A3 (en) 2020-02-17
RU2718437C2 RU2718437C2 (en) 2020-04-06

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RU2018118245A RU2718437C2 (en) 2015-10-21 2016-10-18 Use of aldoximes containing at least five carbon atoms as anti-nitrogen agents in plerotinium re-extraction operations

Country Status (6)

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EP (1) EP3365897B1 (en)
JP (1) JP6876688B2 (en)
CN (1) CN108369828B (en)
FR (1) FR3042904B1 (en)
RU (1) RU2718437C2 (en)
WO (1) WO2017067933A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2229178C2 (en) * 1998-08-28 2004-05-20 Бритиш Нуклеа Фюэлс ПЛС METHOD FOR RECOVERING SPENT NUCLEAR FUEL (ALTERNATIVES), Np(VI)-\lang1033\f1 TO\lang1049\f0 -Np(V) REDUCER, Pu(IV)-TO-Pu(III) REDUCER, AND JOINED Np(VI)-TO-Np(V) AND Pu(IV)-TO- (Pu(III) REDUCER
WO2000013187A1 (en) * 1998-08-28 2000-03-09 British Nuclear Fuels Plc Nuclear fuel reprocessing including reduction of np(vi) to np(v) with an oxime
FR2862804B1 (en) * 2003-11-20 2006-01-13 Commissariat Energie Atomique PROCESS FOR SEPARATING URANIUM (VI) FROM ACTINIDES (IV) AND / OR (VI) AND USES THEREOF
FR2880180B1 (en) * 2004-12-29 2007-03-02 Cogema IMPROVEMENT OF THE PUREX PROCESS AND ITS USES
FR2900159B1 (en) * 2006-04-19 2008-06-13 Commissariat Energie Atomique GROUP SEPARATION OF ACTINIDES FROM A HIGHLY ACUTE AQUEOUS PHASE
FR2907346B1 (en) * 2006-10-23 2009-01-30 Commissariat Energie Atomique (EN) GROUP SEPARATION OF ACTINIDES FROM A HIGHLY ACIDIC AQUEOUS PHASE USING A SOLVING EXTRACTOR IN A RELAXING MEDIUM.
FR2917227A1 (en) * 2007-06-07 2008-12-12 Commissariat Energie Atomique USE OF BUTYRALDEHYDE OXIME AS ANTI-NITREOUS AGENT IN THE RETREATMENT OF USED NUCLEAR FUELS.
FR2947663B1 (en) 2009-07-02 2011-07-29 Areva Nc IMPROVED PROCESS FOR TREATING US NUCLEAR FUELS
CN103451455B (en) * 2012-05-28 2015-01-07 中国原子能科学研究院 Uranium (U) and plutonium (Pu) separation technology in Purex process
CN103325431B (en) * 2013-06-21 2016-01-27 中国原子能科学研究院 A kind of PUREX flow process being separated technetium

Also Published As

Publication number Publication date
EP3365897B1 (en) 2019-11-06
CN108369828B (en) 2022-05-24
FR3042904B1 (en) 2017-12-15
JP6876688B2 (en) 2021-05-26
FR3042904A1 (en) 2017-04-28
WO2017067933A1 (en) 2017-04-27
RU2718437C2 (en) 2020-04-06
CN108369828A (en) 2018-08-03
JP2018536847A (en) 2018-12-13
EP3365897A1 (en) 2018-08-29
RU2018118245A3 (en) 2020-02-17

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