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1.发明授权Process for separating the actinides and lanthanides present in the trivalent state in an acid aqueous solution 失效在酸性水溶液中分离存在于三价态的锕系元素和镧系元素的方法
公开(公告)号：US4496523A
公开(公告)日：1985-01-29
申请号：US394491
申请日：1982-07-02
申请人： Michelle Bonnin , Claude Musikas , Pierre Vitorge
发明人： Michelle Bonnin , Claude Musikas , Pierre Vitorge
IPC分类号： C22B59/00 , B01D11/04 , C01F17/00 , C01G43/00 , C01G56/00 , C22B3/34 , C22B3/36 , C22B60/02 , G21F9/00
CPC分类号： G21F9/007 , C01G56/001 , C22B3/0031 , C22B3/0039 , Y02P10/234
摘要： A process for the separation of the actinides and lanthanides present in the trivalent state in an acid aqueous solution, wherein the actinides present in such aqueous solution are extracted selectively in an organic solvent by bringing the solution into contact with an organic solvent comprising a first extracting agent formed by an organic bonding agent having an electron-donor nitrogen atom and a second extracting agent formed by an acid organosoluble organic compound able to exchange its H.sup.+ ions for metal ions or by metallic salt of such compound.Application to the nuclear industry, inter alia in the field of the treatment of aqueous effluents containing lanthanides and actinides, such an transuranic elements.
摘要翻译： 在酸性水溶液中分离存在于三价态的锕系元素和镧系元素的方法，其中存在于这种水溶液中的锕系元素通过使溶液与包含第一提取物的有机溶剂接触而在有机溶剂中选择性萃取 由具有电子给体氮原子的有机粘合剂形成的试剂和由能够交换其用于金属离子的H +离子的酸性有机溶剂有机化合物或由该化合物的金属盐形成的第二萃取剂。 对核工业的应用，特别是在含有镧系元素和锕系元素的含水废水处理领域，如超铀元素。
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公开(公告)号：US4572802A
公开(公告)日：1986-02-25
申请号：US556296
申请日：1983-11-30
申请人： Herve Hubert , Claude Musikas
发明人： Herve Hubert , Claude Musikas
CPC分类号： C01G56/001 , C01F17/0006 , C22B3/0024 , C22B60/026 , Y02P10/234
摘要： This invention relates to a process of recovering trivalent actinides, trivalent lanthanides or mixtures thereof from an aqueous acid solution by contacting the aqueous solution with an organic solution containing the diamides of the formula: ##STR1## where R is C.sub.2 -C.sub.10 alkyl. This process affords a good extraction efficiency level for the recovery of lanthanides and actinides, both of which are present in the trivalent state, or mixtures thereof, from installations for the reprocessing of irradiated nuclear fuels.
摘要翻译： 本发明涉及通过使水溶液与含有下式的二酰胺的有机溶液接触来从酸水溶液中回收三价锕系元素，三价镧系元素或其混合物的方法：其中R是C 2 -C 10烷基 。 该方法提供了用于回收镧系元素和锕系元素的良好提取效率水平，两者都以三价态存在，或其混合物，用于经辐照的核燃料的后处理。
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3.发明授权Process for the selective extraction (III) actinides by means of amides having a nitrogenous heterocyclic substituent 失效通过具有含氮杂环取代基的酰胺选择性提取（III）锕系元素的方法
公开(公告)号：US5510090A
公开(公告)日：1996-04-23
申请号：US94046
申请日：1993-07-27
CPC分类号： C07D213/81 , C01F17/0006 , C01G56/001 , C22B3/0036 , C22B60/026 , G21F9/007 , Y02P10/234
摘要： The invention relates to a process for the selective extraction of (III) actinides by means of amides having a nitrogenous heterocyclic substituent of formula: ##STR1## in which R.sup.1 is an alkyl or alkoxy group or a hydrogen atom, R.sup.2 and R.sup.3, which can be the same or different, represent a hydrogen atom, an alkyl or an alkoxy group and R.sup.4 is a hydrogen atom or a group of formula: ##STR2## in which R.sup.5 and R.sup.6, which can be the same or different, represent a hydrogen atom or an alkyl or alkoxy group. This process makes it possible to separate (III) actinides from (III) lanthanides.
摘要翻译： PCT No.PCT / FR92 / 01124 Sec。 371日期：1993年7月27日 102（e）日期1993年7月27日PCT提交1992年12月2日PCT公布。 公开号WO93 / 11113 日期：1993年6月5日本发明涉及通过具有下式的氮杂环取代基的酰胺选择性提取（III）锕系的方法：其中R 1 是烷基或烷氧基或氢原子，可以相同或不同的R 2和R 3表示氢原子，烷基或烷氧基，R 4是氢原子或式 其中R5和R6可以相同或不同，表示氢原子或烷基或烷氧基。 该方法使得（III）镧系元素分离（III）锕系元素成为可能。
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4.发明授权Method for separating actinides from lanthanides in an acidic aqueous solution 失效在酸性水溶液中从镧系元素分离锕系元素的方法
公开(公告)号：US4461747A
公开(公告)日：1984-07-24
申请号：US339077
申请日：1982-01-13
CPC分类号： C22B60/026 , C01G56/001 , C22B3/0091 , Y02P10/234
摘要： A method for the separation of actinides from lanthanides present in a trivalent state in an acidic aqueous solution.Said method consists in selectively extracting in an organic solvent the actinides present in said solution, by bringing said aqueous solution into contact with an organic solvent comprising a system of extractants constituted by an acidic organo-phosphorated compound containing at least one electron doner sulfur atom such as di-2-ethylhexyl-dithio-phosphoric acid, and by a neutral organophosphorated compound containing at least one electron-doner oxygen atom such as tributyl phosphate.
摘要翻译： 从酸性水溶液中以三价态存在的镧系元素分离锕系元素的方法。 所述方法包括通过使所述水溶液与包含由至少一个电子给体硫原子的酸性有机磷化合物构成的萃取剂体系的有机溶剂接触，在有机溶剂中选择性提取存在于所述溶液中的锕系元素， 作为二-2-乙基己基 - 二硫代磷酸，以及含有至少一个电子给体氧原子的中性有机磷化合物如磷酸三丁酯。
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5.发明授权
公开(公告)号：US5223232A
公开(公告)日：1993-06-29
申请号：US848256
申请日：1992-03-09
CPC分类号： C22B59/00 , C01F17/0006 , C01G56/001 , C22B3/0024 , C22B60/026 , G21C19/46 , Y02P10/234 , Y02W30/883
摘要： The invention relates to a process for separating iron and/or zirconium from the actinides and/or lanthanides present in an aqueous acid solution by means of a propane diamide.According to the invention, use is made of a pentasubstituted propane diamide of formula: ##STR1## in which R.sup.1, R.sup.2 and R.sup.3, which can be the same or different, are alkyl radicals, which can have 1 or 2 oxygen atoms in their chain.To maintain the iron in aqueous solution, a choice is made of an appropriate propane diamide of formula (I) with R.sup.3 representing a C.sub.12 to C.sub.25 alkyl in order to have different extraction kinetics between Fe and the actinides or lanthanides, or an additive is added to the aqueous solution, e.g. oxalic acid or sodium nitrate.
摘要翻译： 本发明涉及通过丙烷二酰胺从存在于酸性水溶液中的锕系元素和/或镧系元素分离铁和/或锆的方法。 根据本发明，使用下式的五取代丙烷二酰胺：其中R1，R2和R3可以相同或不同，是可以具有1或2个氧原子的烷基 在他们的链。 为了将铁保持在水溶液中，可以选择合适的式（I）丙烷二酰胺，其中R 3表示C 12至C 25烷基，以便在Fe和锕系元素或镧系元素之间具有不同的提取动力学，或添加添加剂 水溶液，例如 草酸或硝酸钠。
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6.发明授权Method for the recovery of actinides and/or lanthanides using novel extraction agents, and novel propane diamides, and the preparation thereof 失效使用新型萃取剂回收锕系元素和/或镧系元素的方法，以及新型丙烷二酰胺及其制备方法
公开(公告)号：US4938871A
公开(公告)日：1990-07-03
申请号：US203901
申请日：1988-06-08
IPC分类号： B01D11/04 , C01F17/00 , C01G56/00 , C07C67/00 , C07C231/00 , C07C231/12 , C07C233/05 , C07C233/18 , C07C235/08 , C22B3/32 , C22B60/02
CPC分类号： C01F17/0006 , C01G56/001 , C22B3/0024 , C22B60/026 , Y02P10/234
摘要： The invention relates to the preparation and use of novel extracting agents and novel propane diamides for the recovery of actinides and/or lanthanides.These extracting agents are constituted by propane diamides of formula: ##STR1## For example, the extracting agent can be 2-hexyl-N,N'-dimethyl-N,N'-dibutyl-propane diamide or 2-ethoxyethyl-N,N'-dimethyl-N,N'-dibutyl-propane diamide.They are more particularly used for the recovery of actinides and/or lanthanides present in the trivalent state in an acid aqueous solution, particularly in a nitric solution.
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7.发明授权Process for the separation of americium from curium contained in an aqueous nitric solution 失效将ium与硝酸水溶液中所含的the素分离的方法
公开(公告)号：US4318893A
公开(公告)日：1982-03-09
申请号：US83318
申请日：1979-10-10
申请人： Andre Bathellier , Michel Germain , Claude Musikas
发明人： Andre Bathellier , Michel Germain , Claude Musikas
CPC分类号： C22B60/0295 , C01G56/001 , C22B3/001 , C22B3/0052 , C22B3/0068 , C22B3/0091 , C22B3/0095 , G21F9/007 , Y02P10/234
摘要： Process for the separation of americium from curium contained in an aqueous nitric solution, wherein the initial solution undergoes oxidation at ambient temperature in the presence of phosphoric acid or phosphate ions at a concentration at the most equal to 0.1 mol per liter in such a way as to pass the americium at valency VI, the thus treated solution is brought into contact with a slightly reducing organic solvent having a high affinity for americium at valency VI in such a way as to extract the americium in the organic phase, the organic phase containing the americium at valency VI is then washed, followed by the re-extraction of the americium in the organic phase by means of an aqueous solution.
摘要翻译： 用于从硝酸水溶液中包含的the分离amer的方法，其中初始溶液在环境温度下在磷酸或磷酸根离子的存在下以最高等于0.1mol / l的浓度进行氧化，其方式如 以VI价格通过amer，将这样处理的溶液与在Ⅵ族中对a具有高亲和力的略微还原的有机溶剂进行接触，以提取有机相中的，，含有 然后Ⅵ化合价，然后用水溶液重新萃取有机相中的。。
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8.发明授权Process for the separation of actinides from lanthanides by the selective extraction of the actinides in an organic solvent incorporating a propane diamide 失效通过选择性提取掺入丙二酰胺的有机溶剂中锕系元素将锕系元素从镧系元素分离的方法
公开(公告)号：US5256383A
公开(公告)日：1993-10-26
申请号：US929677
申请日：1992-08-13
CPC分类号： C01G99/003 , C01F17/0006 , C01G56/001 , C22B3/0024 , Y02P10/234
摘要： The invention relates to a process for the separation of actinides from lanthanides by the selective extraction of the actinides in an organic solvent incorporating a propane diamide.This process consists of adding to the aqueous nitric solution containing the actinides and lanthanides a thiocyanate, e.g. ammonium thiocyanate, followed by the contacting of said solution with an organic solvent incorporating at least one propane diamide, e.g. 2-tetradecyl-N,N'-dimethyl-N,N'-dibutyl-propane diamide and optionally a quaternary ammonium salt such as trilauryl methyl ammonium (TMA) thiocyanate or a mixture of quaternary ammonium thiocyanates.This leads to distribution coefficients D.sub.M for the actinides (Am) and the lanthanides (Eu, Ce) making it possible to achieve high actinide/lanthanide separation factors.
摘要翻译： 本发明涉及通过在掺入丙二酰胺的有机溶剂中选择性萃取锕系元素从镧系元素分离锕系元素的方法。 该方法包括加入含有锕系元素和硫氰酸盐的镧系元素的含水硝酸溶液。 硫氰酸铵，然后使所述溶液与引入至少一种丙二醇的有机溶剂接触。 2-十四烷基-N，N'-二甲基-N，N'-二丁基丙烷二酰胺和任选的季铵盐如三月桂基甲基铵（TMA）硫氰酸酯或季铵硫氰酸酯的混合物。 这导致锕系元素（Am）和镧系元素（Eu，Ce）的分布系数DM使得可以实现高锕系元素/镧系元素分离因子。
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公开(公告)号：US4404130A
公开(公告)日：1983-09-13
申请号：US242656
申请日：1981-03-11
申请人： Richard Fitoussi , Claude Musikas
发明人： Richard Fitoussi , Claude Musikas
CPC分类号： G21F9/125
摘要： Process for the plutonium decontamination of an organic solvent comprising adding to the said organic solvent a reducing agent which is a dialkyl dithiophosphoric acid and which is soluble in the organic solvent, bringing the organic solvent containing the reducing agent into contact with an acid aqueous solution and separating the aqueous solution containing the plutonium from the decontaminated organic solvent, useful in reprocessing of irradiated nuclear fuels.
摘要翻译： 对有机溶剂的钚净化的方法，包括向所述有机溶剂中加入作为二烷基二硫代磷酸的还原剂，其可溶于有机溶剂，使含有还原剂的有机溶剂与酸性水溶液接触， 将含有钚的水溶液与去污的有机溶剂分离，用于辐射核燃料的后处理。
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公开(公告)号：US4282112A
公开(公告)日：1981-08-04
申请号：US116588
申请日：1980-01-29
申请人： Richard Fitoussi , Sylvie Lours , Claude Musikas
发明人： Richard Fitoussi , Sylvie Lours , Claude Musikas
CPC分类号： C01G55/001 , C22B3/0095 , G21C19/46 , G21F9/007 , Y02P10/234 , Y02W30/883 , Y10S423/14
摘要： Process for the recovery of the ruthenium present in an aqueous nitric solution, wherein the ruthenium is extracted in an organic solvent by contacting the nitric solution with an organic phase comprising an organophosphorous compound having at least one electron donor sulphur atom in the presence of a compound able to displace NO.sup.+ ions of the ruthenium complexes present in the nitric solution. Application to the recovery of ruthenium contained in a nitric solution obtained by dissolving irradiated fuel elements.
摘要翻译： 用于回收存在于硝酸水溶液中的钌的方法，其中通过在化合物存在下使硝酸溶液与包含具有至少一个电子给体硫原子的有机磷化合物的有机相接触，在有机溶剂中萃取钌 能够置换存在于硝酸溶液中的钌络合物的NO +离子。 适用于通过溶解照射的燃料元素而获得的硝酸溶液中所含的钌的回收。
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