DE3346405C2 - - Google Patents
Info
- Publication number
- DE3346405C2 DE3346405C2 DE3346405A DE3346405A DE3346405C2 DE 3346405 C2 DE3346405 C2 DE 3346405C2 DE 3346405 A DE3346405 A DE 3346405A DE 3346405 A DE3346405 A DE 3346405A DE 3346405 C2 DE3346405 C2 DE 3346405C2
- Authority
- DE
- Germany
- Prior art keywords
- aqueous
- solution
- plutonium
- uranium
- washing
- 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 - Fee Related
Links
- 239000000243 solution Substances 0.000 claims description 55
- 229910052770 Uranium Inorganic materials 0.000 claims description 53
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 49
- 229910052778 Plutonium Inorganic materials 0.000 claims description 47
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 claims description 44
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 39
- 229910017604 nitric acid Inorganic materials 0.000 claims description 39
- 238000005406 washing Methods 0.000 claims description 32
- 239000000047 product Substances 0.000 claims description 29
- 238000000605 extraction Methods 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 23
- 239000008346 aqueous phase Substances 0.000 claims description 18
- 229910052707 ruthenium Inorganic materials 0.000 claims description 17
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 15
- 239000012074 organic phase Substances 0.000 claims description 15
- 229910052726 zirconium Inorganic materials 0.000 claims description 15
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 14
- 230000009467 reduction Effects 0.000 claims description 14
- 238000011282 treatment Methods 0.000 claims description 13
- 239000008139 complexing agent Substances 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000012958 reprocessing Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 229910002007 uranyl nitrate Inorganic materials 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000003350 kerosene Substances 0.000 claims description 6
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- 230000002285 radioactive effect Effects 0.000 claims description 5
- 239000002594 sorbent Substances 0.000 claims description 5
- -1 Alkali metal oxalates Chemical class 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 150000004673 fluoride salts Chemical class 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 239000002915 spent fuel radioactive waste Substances 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 claims description 2
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 claims description 2
- YLPJWCDYYXQCIP-UHFFFAOYSA-N nitroso nitrate;ruthenium Chemical compound [Ru].[O-][N+](=O)ON=O YLPJWCDYYXQCIP-UHFFFAOYSA-N 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 238000000658 coextraction Methods 0.000 claims 1
- 239000012073 inactive phase Substances 0.000 claims 1
- 235000015097 nutrients Nutrition 0.000 claims 1
- 229940093635 tributyl phosphate Drugs 0.000 claims 1
- 239000003758 nuclear fuel Substances 0.000 description 11
- 238000005202 decontamination Methods 0.000 description 9
- 230000003588 decontaminative effect Effects 0.000 description 9
- 238000007792 addition Methods 0.000 description 8
- 101001083370 Dictyostelium discoideum Hisactophilin-1 Proteins 0.000 description 7
- 229910052781 Neptunium Inorganic materials 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- 230000004992 fission Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 6
- WJWSFWHDKPKKES-UHFFFAOYSA-N plutonium uranium Chemical compound [U].[Pu] WJWSFWHDKPKKES-UHFFFAOYSA-N 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 229910052768 actinide Inorganic materials 0.000 description 4
- 150000001255 actinides Chemical class 0.000 description 4
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000003776 cleavage reaction Methods 0.000 description 4
- LFNLGNPSGWYGGD-UHFFFAOYSA-N neptunium atom Chemical compound [Np] LFNLGNPSGWYGGD-UHFFFAOYSA-N 0.000 description 4
- 230000007017 scission Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012527 feed solution Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000002927 high level radioactive waste Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010936 aqueous wash Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Extraction Or Liquid Replacement (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Unknown Constitution (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833346405 DE3346405A1 (de) | 1983-12-22 | 1983-12-22 | Verfahren zur verbesserten abtrennung von die rueckgewinnung der spaltstoffe uran und plutonium stoerenden stoffen und zum verbesserten trennen der rueckzugewinnenden spaltstoffe voneinander in einem wiederaufarbeitungsprozess |
BE1/11151A BE901240A (fr) | 1983-12-22 | 1984-12-10 | Procede pour la separation perfectionnee des matieres perturbant la recuperation des matieres fissiles uranium et plutonium et pour la separation et plutonium et pour la separation perfectionnee, l'une de l'autre, des matieres fissiles a recuperer dans des operations de retraitement. |
FR8418879A FR2557349B1 (fr) | 1983-12-22 | 1984-12-11 | Procede pour la separation perfectionnee des matieres perturbant la recuperation des matieres fissiles uranium et plutonium et pour la separation perfectionnee, l'une de l'autre, des matieres fissiles a recuperer dans des operations de retraitement |
GB8432543A GB2152271B (en) | 1983-12-22 | 1984-12-21 | Improvements in the separation of uranium, plutonium and other radioactive/fissionable materials |
JP59268687A JPS60227196A (ja) | 1983-12-22 | 1984-12-21 | 分裂物質のウラン及びプルトニウムの回収を妨害する物質を分離しかつ回収すべき分裂物質を相互に再処理工程で分離する改良方法 |
US06/685,660 US4758313A (en) | 1983-12-22 | 1984-12-24 | Process for the improved separation of substances hindering the recovery of the fissionable materials uranium and plutonium and for the improved separation of the fissionable materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833346405 DE3346405A1 (de) | 1983-12-22 | 1983-12-22 | Verfahren zur verbesserten abtrennung von die rueckgewinnung der spaltstoffe uran und plutonium stoerenden stoffen und zum verbesserten trennen der rueckzugewinnenden spaltstoffe voneinander in einem wiederaufarbeitungsprozess |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3346405A1 DE3346405A1 (de) | 1985-07-04 |
DE3346405C2 true DE3346405C2 (en, 2012) | 1990-06-07 |
Family
ID=6217698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833346405 Granted DE3346405A1 (de) | 1983-12-22 | 1983-12-22 | Verfahren zur verbesserten abtrennung von die rueckgewinnung der spaltstoffe uran und plutonium stoerenden stoffen und zum verbesserten trennen der rueckzugewinnenden spaltstoffe voneinander in einem wiederaufarbeitungsprozess |
Country Status (6)
Country | Link |
---|---|
US (1) | US4758313A (en, 2012) |
JP (1) | JPS60227196A (en, 2012) |
BE (1) | BE901240A (en, 2012) |
DE (1) | DE3346405A1 (en, 2012) |
FR (1) | FR2557349B1 (en, 2012) |
GB (1) | GB2152271B (en, 2012) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0251399A1 (fr) * | 1986-06-23 | 1988-01-07 | "Centre d'Etude de l'Energie Nucléaire", "C.E.N." | Procédé de séparation ou de récupération de plutonium et plutonium ainsi obtenu |
JPH0727068B2 (ja) * | 1986-08-08 | 1995-03-29 | 株式会社日立製作所 | 使用済核燃料物質からルテニウムイオンを分離する装置 |
DE3639066A1 (de) * | 1986-11-14 | 1988-05-19 | Kernforschungsz Karlsruhe | Verfahren zur verbesserung der kritikalitaetssicherheit in einem fluessig-fluessig-extraktionsprozess fuer bestrahlte kernbrenn- und/oder brutstoffe |
FR2621578B1 (fr) * | 1987-10-13 | 1990-01-05 | Commissariat Energie Atomique | Procede de dissolution reductrice du puo2, utilisable notamment pour le traitement de dechets organiques contamines par puo2 |
US5000927A (en) * | 1989-03-31 | 1991-03-19 | General Electric Company | Method of regulating a purex solvent extraction process |
US5325860A (en) * | 1991-11-08 | 1994-07-05 | Mayo Foundation For Medical Education And Research | Ultrasonic and interventional catheter and method |
JP2726375B2 (ja) * | 1993-08-13 | 1998-03-11 | 動力炉・核燃料開発事業団 | PuおよびNp含有硝酸溶液からのPuとNpの分離回収方法 |
JP2000144274A (ja) * | 1998-11-19 | 2000-05-26 | Toshiba Corp | ジルコニウム廃棄物の電解処理方法及びその装置 |
RU2253159C2 (ru) * | 2003-03-17 | 2005-05-27 | Репин Геннадий Валентинович | Способ отделения ценных компонентов, содержащихся в твердофазном продукте радиоактивных материалов, от примесей |
RU2422926C1 (ru) * | 2010-01-26 | 2011-06-27 | Открытое акционерное общество "Сибирский химический комбинат" | Способ переработки урансодержащих материалов |
US20230230717A1 (en) * | 2022-01-14 | 2023-07-20 | Department Of Atomic Energy Government Of India | Method for the removal of radionuclides from aqueous radioactive waste |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2819144A (en) * | 1943-05-18 | 1958-01-07 | Glenn T Seaborg | Separation of plutonium from uranium and fission products by adsorption |
US2992889A (en) * | 1945-09-05 | 1961-07-18 | Davies Thomas Harrison | Method for separating plutonium and fission products employing an oxide as a carrierfor fission products |
US2908547A (en) * | 1949-09-19 | 1959-10-13 | Nicholls Cyril Minchin | Separation of uranium, plutonium, and fission products |
US2982600A (en) * | 1952-07-08 | 1961-05-02 | Vogler Seymour | Uranium decontamination with respect to zirconium |
US3046087A (en) * | 1956-01-13 | 1962-07-24 | Francis R Bruce | Solvent extraction process for separating uranium and plutonium from aqueous acidic solutions of neutron irradiated uranium |
US2951740A (en) * | 1957-07-26 | 1960-09-06 | Jr Horace H Hopkins | Processing of neutron-irradiated uranium |
GB1247248A (en) * | 1968-03-13 | 1971-09-22 | Kernforschung Gmbh Ges Fuer | A method of recovering plutonium and uranium from fission products by liquid-liquid extraction |
US3714324A (en) * | 1968-06-18 | 1973-01-30 | Gen Electric | Irradiated fuel recovery system |
US3616275A (en) * | 1969-04-14 | 1971-10-26 | Allied Chem | Process for concentrating a metal of variable valence in aqueous solution |
US3922231A (en) * | 1972-11-24 | 1975-11-25 | Ppg Industries Inc | Process for the recovery of fission products from waste solutions utilizing controlled cathodic potential electrolysis |
DE2449590C3 (de) * | 1974-10-18 | 1980-06-12 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zur Reinigung von in niedrigen Oxidationszuständen befindlichen Aktiniden |
DE2520940C2 (de) * | 1975-05-10 | 1982-08-19 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Vorrichtung zum kontinuierlichen, extraktiven Trennen von Verbindungen mittels elektrolytischer Reduktion |
US4011296A (en) * | 1975-05-27 | 1977-03-08 | General Electric Company | Irradiated fuel reprocessing |
US4284472A (en) * | 1978-10-16 | 1981-08-18 | General Electric Company | Method for enhanced control of radioiodine in the production of fission product molybdenum 99 |
LU84016A1 (de) * | 1982-03-15 | 1982-07-08 | Euratom | Verfahren zur rueckgewinnung von plutonium aus salpetersauren waessrigen loesungen |
US4528165A (en) * | 1984-06-13 | 1985-07-09 | The United States Of America As Represented By The United States Department Of Energy | Separation of uranium from technetium in recovery of spent nuclear fuel |
-
1983
- 1983-12-22 DE DE19833346405 patent/DE3346405A1/de active Granted
-
1984
- 1984-12-10 BE BE1/11151A patent/BE901240A/fr not_active IP Right Cessation
- 1984-12-11 FR FR8418879A patent/FR2557349B1/fr not_active Expired
- 1984-12-21 GB GB8432543A patent/GB2152271B/en not_active Expired
- 1984-12-21 JP JP59268687A patent/JPS60227196A/ja active Granted
- 1984-12-24 US US06/685,660 patent/US4758313A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2152271A (en) | 1985-07-31 |
BE901240A (fr) | 1985-03-29 |
FR2557349B1 (fr) | 1989-06-30 |
JPH0453277B2 (en, 2012) | 1992-08-26 |
FR2557349A1 (fr) | 1985-06-28 |
US4758313A (en) | 1988-07-19 |
DE3346405A1 (de) | 1985-07-04 |
JPS60227196A (ja) | 1985-11-12 |
GB2152271B (en) | 1988-01-06 |
GB8432543D0 (en) | 1985-02-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2210106C2 (de) | Verfahren zur selektiven Extraktion von Metallionen aus wäßrigen Lösungen | |
DE1215669B (de) | Verfahren zum Aufbereiten von bestrahltem Kernreaktorbrennstoff | |
DE2449589C2 (de) | Verfahren zur Entfernung von Zersetzungsprodukten aus Extraktionsmitteln, die zur Wiederaufarbeitung abgebrannter Kernbrenn- und/oder Brutstoffe verwendet werden | |
DE3346405C2 (en, 2012) | ||
DE3332954C2 (en, 2012) | ||
DE2154655B2 (de) | Verfahren zur Auftrennung von Uran, Transurane und die als Spaltprodukte von Kernbrennstoffen auftretenden Elemente enthaltenden Gemischen durch Gegen- oder Querstromelektrolyse | |
DE2449590C3 (de) | Verfahren zur Reinigung von in niedrigen Oxidationszuständen befindlichen Aktiniden | |
DE3784647T2 (de) | Verfahren zum trennen von technetium, das sich in einer organischen loesung mit zirkon und mindestens einem anderen metall, wie zum beispiel uran oder plutonium, befindet, verwendbar insbesondere fuer die wiederaufarbeitung von bestrahlten kernbrennstoffen. | |
DE3809042C2 (en, 2012) | ||
DE1592418A1 (de) | Verfahren zur Aufarbeitung von Reaktorbrennstoffen | |
EP0170795B1 (de) | Verfahren zur Rückgewinnung von Uran-Werten in einem extraktiven Wiederaufarbeitungsprozess für bestrahlte Kernbrennstoffe | |
EP0170796B1 (de) | Verfahren zur Trennung von grossen Mengen Uran von geringen Mengen von radioaktiven Spaltprodukten, die in wässrigen, basischen, karbonathaltigen Lösungen vorliegen | |
DE3546128C2 (en, 2012) | ||
DE2610947B2 (de) | Verfahren zur Gewinnung von Molybdän-99 aus mit Neutronen bestrahlter, spaltbare Stoffe und Spaltprodukte enthaltender Matrix | |
DE1767044C3 (de) | Verfahren zum chemischen Aufarbeiten bestrahlter, Uran und Plutonium enthaltender Kernbrennstoffe | |
DE2365114C2 (de) | Verfahren zum Reinigen von Plutonium und/oder Neptunium enthaltenden Lösungen durch Abtrennen von Plutonium und/oder Neptunium | |
DE3639066A1 (de) | Verfahren zur verbesserung der kritikalitaetssicherheit in einem fluessig-fluessig-extraktionsprozess fuer bestrahlte kernbrenn- und/oder brutstoffe | |
DD152774A1 (de) | Verfahren zur abtrennung von palladium und technetium aus loesungen der kernbrennstoffwiederaufbereitung | |
DE1592410C3 (de) | Verfahren zum chemischen Aufarbeiten bestrahlter, insbesondere uranhaltiger Kernbrennstoffe | |
DE1916114C3 (de) | Verfahren zur Abtrennung von Transplutoniumelementen und seltenen Erden von Spaltprodukten aus einer wässrigen Lösung | |
AT273885B (de) | Verfahren zur Rückgewinnung von Neptunium aus einer wässerigen, Neptunium und Plutonium enthaltenden Lösung | |
DE1619763C (de) | Verfahren zur Flussig Flussig Extrak tion | |
DE1442430C (de) | Verfahren zur Reinigung und Wiedergewinnung von Lösungsmitteln für die Auffrischung nuklearer Brennstoffe | |
DE1170918B (de) | Verfahren zur Abtrennung von Thorium und Uran aus einer neutronenbestrahlten Thoriummasse | |
DE3336788A1 (de) | Verfahren zum gewinnen von gereinigtem uranylnitrat |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |