RU99125737A - METHOD FOR EXTRACTION ALLOCATION OF CESIUM, STRONTIUM, TECHNETIA, RARE EARTH AND ACTINIDE ELEMENTS FROM LIQUID RADIOACTIVE WASTE - Google Patents

METHOD FOR EXTRACTION ALLOCATION OF CESIUM, STRONTIUM, TECHNETIA, RARE EARTH AND ACTINIDE ELEMENTS FROM LIQUID RADIOACTIVE WASTE

Info

Publication number
RU99125737A
RU99125737A RU99125737/12A RU99125737A RU99125737A RU 99125737 A RU99125737 A RU 99125737A RU 99125737/12 A RU99125737/12 A RU 99125737/12A RU 99125737 A RU99125737 A RU 99125737A RU 99125737 A RU99125737 A RU 99125737A
Authority
RU
Russia
Prior art keywords
extraction
cesium
strontium
оch
och
Prior art date
Application number
RU99125737/12A
Other languages
Russian (ru)
Other versions
RU2180868C2 (en
Inventor
Борис Николаевич Зайцев
Вячеслав Михайлович Есимантовский
Леонард Николаевич Лазарев
Евгений Григорьевич Дзекун
Валерий Николаевич Романовский
Терри Аллен Тодд
Кен Нил Брюер
Роналд Скотт Хербст
Джек Дуглас Лоу
Original Assignee
Государственное унитарное предприятие Научно-производственное объединение "Радиевый институт им. В.Г. Хлопина"
Filing date
Publication date
Application filed by Государственное унитарное предприятие Научно-производственное объединение "Радиевый институт им. В.Г. Хлопина" filed Critical Государственное унитарное предприятие Научно-производственное объединение "Радиевый институт им. В.Г. Хлопина"
Priority to RU99125737A priority Critical patent/RU2180868C2/en
Priority claimed from RU99125737A external-priority patent/RU2180868C2/en
Priority to US09/518,816 priority patent/US6270737B1/en
Publication of RU99125737A publication Critical patent/RU99125737A/en
Application granted granted Critical
Publication of RU2180868C2 publication Critical patent/RU2180868C2/en

Links

Claims (1)

1. Способ экстракционного выделения цезия, стронция, технеция, редкоземельных и актинидных элементов из жидких радиоактивных отходов, отличающийся тем, что проводят последовательную экстракцию цезия и стронция из кислых радиоактивных отходов раствором хлорированного дикарболлида кобальта и замещенного полиэтиленгликоля во фторорганическом разбавителе, представляющим собой смесь фторированных простых эфиров, с последующей реэкстракцией цезия и стронция из полученной органической фазы, а полученный после экстракции цезия и стронция рафинат обрабатывают раствором фосфиноксида в предельных углеводородах, экстрагируя в органическую фазу технеций, редкоземельные и актинидные элементы с последующей реэкстракцией их.1. The method of extraction of cesium, strontium, technetium, rare earth and actinide elements from liquid radioactive waste, characterized in that the sequential extraction of cesium and strontium from acidic radioactive waste with a solution of chlorinated cobalt dicarbolide and substituted polyethylene glycol in an organofluorine diluent, which is a simple mixture esters, followed by re-extraction of cesium and strontium from the obtained organic phase, and obtained after extraction of cesium and strontium the raffinate is treated with a solution of phosphine oxide in saturated hydrocarbons, extracting technetium, rare-earth and actinide elements into the organic phase, followed by their re-extraction. 2. Способ по п.1, отличающийся тем, что используют замещенный полиэтиленгликоль формулы RС6Н4(ОСН2СН2)nОН, где R=Н, или один или два алкильных заместителя С4-C8 и n=6-12, фторорганический разбавитель представляет собой смесь бис-тетрафторпропилового эфира диэтиленгликоля(Ф-8) НСF2СF2СН2ОСН2СН2ОСН2СН2ОСН2СF2СF2Н с бис-тетрафторпропиловым эфиром этиленгликоля HCF2CF2CH2ОCH2CH2ОCH2CF2CF2H или бис-тетрафторпропилформалем HCF2CF2CH2ОCH2ОCH2CF2CF2H. а фосфиноксид имеет следующую структуру
Figure 00000001

3. Способ по п. 2, отличающийся тем, что исходный водный раствор, из которого проводят экстракцию, представляет собой азотнокислый раствор с содержанием азотной кислоты от 0,1 моль/л до 2,0 моль/л и общим содержанием нитрат-иона до 4 моль/л.2. The method according to claim 1, characterized in that they use a substituted polyethylene glycol of the formula RC 6 H 4 (OCH 2 CH 2 ) n OH, where R = H, or one or two alkyl substituents C 4 -C 8 and n = 6- 12, the organofluorine diluent is a mixture of diethylene glycol bis-tetrafluoropropyl ether (F-8) HCF 2 CF 2 CH 2 OCH 2 CH 2 OCH 2 CH 2 OCH 2 CF 2 CF 2 N with ethylene glycol bis tetrafluoropropyl ester HCF 2 CF 2 CH 2 ОCH 2 CH 2 ОCH 2 CF 2 CF 2 H or bis-tetrafluoropropylformal HCF 2 CF 2 CH 2 ОCH 2 ОCH 2 CF 2 CF 2 H. The phosphine oxide has the following structure
Figure 00000001

3. The method according to p. 2, characterized in that the initial aqueous solution from which the extraction is carried out, is a nitric acid solution with a nitric acid content of from 0.1 mol / l to 2.0 mol / l and a total nitrate ion content of up to 4 mol / L. 4. Способ по п.2, отличающийся тем, что реэкстракцию цезия и стронция проводят азотнокислым раствором несолеобразующего реэкстрагента, например нитрата амммония или гексаметилентетрамина. 4. The method according to claim 2, characterized in that the re-extraction of cesium and strontium is carried out with a nitric acid solution of a non-salt-forming stripping agent, for example ammonium nitrate or hexamethylenetetramine. 5. Способ по п.2, отличающийся тем, что реэкстракцию урана, плутония, технеция выполняют смешанным раствором карбоната или бикарбоната аммония и комплексона. 5. The method according to claim 2, characterized in that the reextraction of uranium, plutonium, technetium is performed with a mixed solution of ammonium carbonate or bicarbonate and complexon.
RU99125737A 1999-12-07 1999-12-07 Method of extraction separation of cesium, strontium, technetium, rare-earth and actinide elements from liquid radioactive residues RU2180868C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU99125737A RU2180868C2 (en) 1999-12-07 1999-12-07 Method of extraction separation of cesium, strontium, technetium, rare-earth and actinide elements from liquid radioactive residues
US09/518,816 US6270737B1 (en) 1999-12-07 2000-03-03 Extraction processes and solvents for recovery of cesium, strontium, rare earth elements, technetium and actinides from liquid radioactive waste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU99125737A RU2180868C2 (en) 1999-12-07 1999-12-07 Method of extraction separation of cesium, strontium, technetium, rare-earth and actinide elements from liquid radioactive residues

Publications (2)

Publication Number Publication Date
RU99125737A true RU99125737A (en) 2001-10-10
RU2180868C2 RU2180868C2 (en) 2002-03-27

Family

ID=20227819

Family Applications (1)

Application Number Title Priority Date Filing Date
RU99125737A RU2180868C2 (en) 1999-12-07 1999-12-07 Method of extraction separation of cesium, strontium, technetium, rare-earth and actinide elements from liquid radioactive residues

Country Status (2)

Country Link
US (1) US6270737B1 (en)
RU (1) RU2180868C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2456689C2 (en) * 2006-10-23 2012-07-20 Коммиссариат А Л' Энержи Атомик Total removal of actinoids from strongly acidic water phase by means of solvating extractants in salting-out medium

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3677013B2 (en) * 2002-06-20 2005-07-27 財団法人産業創造研究所 Method for separating and recovering elements from radioactive liquid waste
US7291316B2 (en) * 2004-03-23 2007-11-06 Battelle Energy Alliance, Llc Cesium and strontium extraction using a mixed extractant solvent including crown ether and calixarene extractants
WO2008105928A2 (en) * 2006-09-08 2008-09-04 Michael Ernest Johnson Process for treating compositions containing uranium and plutonium
US8343450B2 (en) * 2007-10-09 2013-01-01 Chemnano Materials, Ltd. Functionalized carbon nanotubes, recovery of radionuclides and separation of actinides and lanthanides
JP5643745B2 (en) * 2008-08-18 2014-12-17 ザ セクレタリー，デパートメント オブ アトミック エナジー，ガヴァメント，オブ インディア Cleaning fluid suitable for continuous reprocessing of nuclear fuel and its use in the system
US8158088B2 (en) * 2008-11-10 2012-04-17 Battelle Energy Alliance, Llc Extractant compositions for co-extracting cesium and strontium, a method of separating cesium and strontium from an aqueous feed, and calixarene compounds
US8270554B2 (en) * 2009-05-19 2012-09-18 The United States Of America, As Represented By The United States Department Of Energy Methods of producing cesium-131
JP6479398B2 (en) * 2014-10-10 2019-03-06 三菱重工業株式会社 Reprocessing facility
FR3035880B1 (en) * 2015-05-07 2017-06-02 Commissariat Energie Atomique USE OF NOVEL COMPOUNDS FOR THE SELECTIVE EXTRACTION OF RARE EARTHS FROM AQUEOUS SOLUTIONS COMPRISING PHOSPHORIC ACID AND METHOD OF EXTRACTING THE SAME
CN104862506A (en) * 2015-06-04 2015-08-26 赣州有色冶金研究所 Method for removing heavy metals and radioactive elements in ionic type mixed rare earth material liquid
RU2620583C2 (en) * 2015-11-23 2017-05-29 Акционерное общество "Радиевый институт имени В.Г. Хлопина" Extraction mixture for extraction of actinides from nitric acid solutions
DE102018102510B3 (en) * 2018-02-05 2019-06-27 Kerntechnische Entsorgung Karlsruhe GmbH Process and apparatus for separating cesium and technetium from radioactive mixtures
CN108977658B (en) * 2018-08-03 2019-10-18 中国核动力研究设计院 A kind of Ni-63 solution γ nucleic minimizing technology
CN113359177B (en) * 2021-04-08 2022-05-20 中国辐射防护研究院 Combined analysis method for content of Pu, Am and Sr-90 in large-mass solid environment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749518A (en) 1985-08-06 1988-06-07 University Of South Carolina Extraction of cesium and strontium from nuclear waste
SU1603552A1 (en) * 1989-02-07 1994-07-30 Л.Н. Лазарев Method for processing liquid radioactive waste
US5603074A (en) 1995-03-28 1997-02-11 The Regents Of The University Of California Preparation and use of tetra-alkyl cobalt dicarbollide for extraction of cesium and strontium into hydrocarbon solvents
US5666641A (en) 1995-04-07 1997-09-09 Abney; Kent D. Preparation and use of polymeric materials containing hydrophobic anions and plasticizers for separation of cesium and strontium
US5666642A (en) 1995-04-21 1997-09-09 Coremetals Research, Inc. Extraction of cesium and strontium ions from nuclear waste
US5698169A (en) 1995-04-21 1997-12-16 Coremetals Research, Inc. Methods and agents for the extraction of cesium and strontium from nuclear waste

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2456689C2 (en) * 2006-10-23 2012-07-20 Коммиссариат А Л' Энержи Атомик Total removal of actinoids from strongly acidic water phase by means of solvating extractants in salting-out medium

Similar Documents

Publication Publication Date Title
RU99125737A (en) METHOD FOR EXTRACTION ALLOCATION OF CESIUM, STRONTIUM, TECHNETIA, RARE EARTH AND ACTINIDE ELEMENTS FROM LIQUID RADIOACTIVE WASTE
KR101431665B1 (en) Grouped separation of actinides from a highly acidic aqueous composition a solvating extractant in a salting medium
US6843921B2 (en) Method of separation and recovery of elements from radioactive liquid wastes
RU2180868C2 (en) Method of extraction separation of cesium, strontium, technetium, rare-earth and actinide elements from liquid radioactive residues
US8354085B1 (en) Actinide and lanthanide separation process (ALSEP)
RU2001125151A (en) A method of processing used nuclear fuel
CN108026610B (en) Method for separating americium from liquid radioactive substances and separating americium from rare earth elements
RU2163403C2 (en) Extracting mixture for simultaneous separation of radionuclides from liquid radioactive wastes (alternatives)
Shehata Extraction of strontium from nitric acid solutions by selected crown ethers
CN116607024A (en) Method for extracting and separating trivalent lanthanide ions, thorium ions and uranyl ions and method for extracting and separating thorium ions and uranyl ions
DE3872014D1 (en) METHOD FOR EXTRACTING LIQUID-LIQUID FROM RARE EARTH.
CN111101004B (en) Method for extracting and separating trivalent lanthanide series and trivalent actinide series ions
Tachimori et al. Extraction of some elements by mixture of DIDPA-TBP and its application to actinoid partitioning process
Tachimori et al. Application of synergistic MEHPA-DEHPA mixed solvent to the extraction of lanthanides (III)
RU2080666C1 (en) Method for processing of active nitrate raffinates produced by regeneration of nuclear fuel
RU2168779C2 (en) Method for supercritical fluidic extraction of metals
KR100351554B1 (en) Method for extraction and mutual separation of actinide elements and rare earth elements from radioactive liquid waste
Simon et al. Caesium extraction from acidic high level liquid wastes with functionalized calixarenes
EP1664359A1 (en) Method for separating trivalent americium from trivalent curium
US3943204A (en) Method for improving the extraction properties of a tributyl phosphate solution
RU2047562C1 (en) Method for extracting rare-earth and actinide elements from liquid high active wastes
RU2623943C1 (en) Extraction mixture for the recovery of tpe and ree from high-active rafinat of npp snf processing and the method of its use (versions)
JP7333057B2 (en) Americium extraction method
Kyrš Separation of Zirconium-95 from Niobium-95 by Extraction with a Benzene Solution of Fatty Acids in the Presence of Hydrogen
RU2781791C1 (en) Extraction mixture for the isolation of caesium and/or strontium from nitric acid solutions