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1.发明授权Method for recovering with the aid of a crown compound plutonium (IV) present in solutions, such as aqueous effluents, concentrated solutions of fission products and concentrated solutions of plutonium 失效在解决方案中，如解决方案中提供的化合物四氢呋喃（IV）的补充方法，如水溶液，离子产物的浓缩溶液和浓缩溶液的解决方案
公开(公告)号：US5183645A
公开(公告)日：1993-02-02
申请号：US625550
申请日：1990-12-11
Applicant: Jacques Foos , Marc Lemaire , Alain Guy , Vincent Guyon , Rodolphe Chomel , Andre Deloge , Pierre Doutreluigne , Henri Le Roy
Inventor： Jacques Foos , Marc Lemaire , Alain Guy , Vincent Guyon , Rodolphe Chomel , Andre Deloge , Pierre Doutreluigne , Henri Le Roy
CPC classification number: G21C19/46 , G21F9/06 , Y02W30/883
Abstract: The invention concerns the recovery of Pu (IV) by using crown compounds.According to the invention, the aqueous solution containing the plutonium (IV) is placed in contact with at least one crown compound, for example DCH 18C6, dissolved in an organic diluting agent, such as benzonitrile. In the case where the solution only contains traces of Pu, it is possible to use a crown compound secured to a solid phase, such as silica.The aqueous solution is a concentrated solution of fission products, an effluent originating from an irradiated nuclear fuel reprocessing installation or a concentrated solution of plutonium with americium.
Abstract translation: 本发明涉及通过使用冠状化合物回收Pu（IV）。 根据本发明，含有钚（IV）的水溶液与至少一种溶解在有机稀释剂如苄腈中的冠状化合物（例如DCH 18C6）接触。 在溶液仅含有痕量Pu的情况下，可以使用固定在固相上的冠状化合物，例如二氧化硅。 水溶液是裂变产物的浓缩溶液，源自辐照的核燃料后处理装置的流出液或钚与钚的浓缩溶液。
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2.发明授权
公开(公告)号：US5085834A
公开(公告)日：1992-02-04
申请号：US625551
申请日：1990-12-11
Applicant: Marc Lemaire , Alain Guy , Jacques Foos , Rodolphe Chomel , Pierre Doutreluigne , Thierry Moutarde , Vincent Guyon , Henri Le Roy
Inventor： Marc Lemaire , Alain Guy , Jacques Foos , Rodolphe Chomel , Pierre Doutreluigne , Thierry Moutarde , Vincent Guyon , Henri Le Roy
CPC classification number: C22B3/002 , C01G56/001 , C22B60/026 , G21C19/46 , Y02P10/234 , Y02W30/883
Abstract: A method for separating plutonium from uranium and from fission products with the aid of crown ether compounds comprising contacting an aqueous solution A0 containing Pu, U and fission products with an organic solvent O0 containing at least one crown ether compound to obtain an organic solution O1 containing Pu and U; extracting U from the organic solution O1 with an aqueous solution A4 such as water or nitric acid to obtain an aqueous solution A5 containing U and an organic solution O3 containing mainly of Pu and recovering Pu from the organic solution using an aqueous solution A6 such as sulfuric acid.
Abstract translation: 借助于冠醚化合物从铀和裂变产物中分离钚的方法，包括使含有Pu，U和裂变产物的水溶液A0与含有至少一种冠醚化合物的有机溶剂O0接触，以获得含有 Pu和U; 用水或硝酸等水溶液A4从有机溶液O1中提取U，得到含有U的水溶液A5和主要含有Pu的有机溶液O 3，使用硫酸等水溶液A6从有机溶液中回收Pu 酸。
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3.发明授权Method of separating isomers of a crown ether compound to recover cis-syn-cis isomer from dicyclohexyl 18-crown 6. 失效分离异氰酸酯化合物的异构体从DICYCLOHEXYL 18-CROWN 6中回收CIS-SYN-CIS异构体的方法。
公开(公告)号：US5082955A
公开(公告)日：1992-01-21
申请号：US625552
申请日：1990-12-11
Applicant: Marc Lemaire , Alain Guy , Jacques Foos , Vincent Guyon , Rodolphe Chomel
Inventor： Marc Lemaire , Alain Guy , Jacques Foos , Vincent Guyon , Rodolphe Chomel
IPC: B01J19/00 , C07B63/00 , C07D323/00
CPC classification number: C07D323/00
Abstract: A method for separating the isomers of a crown ether compound and making it possible to recover in particular the pure cis-syn-cis isomer from DCH 18C6 includes:a) dissolving in an organic solvent a mixture of the isomers of said crown compound including the cis-anti-cis isomer and the cis-syn-cis isomer,b) adding uranyl nitrate to the solution obtained in stage a) in sufficient quantities so that virtually all of the isomers, except the cis-syn-cis isomer, are precipitated in the form of complexes with the uranyl nitrate,c) separating the formed precipitate,d) recovering the cis-syn-cis isomer from the solution, ande) recovering the cis-anti-cis isomer from the precipitate.
Abstract translation: 用于分离冠醚化合物的异构体并且使得有可能特别从DCH 18C6中回收纯顺式顺式顺式异构体的方法包括：a）将有机溶剂的所述冠化合物的异构体的混合物溶解在包含 顺式 - 顺式 - 顺式异构体和顺 - 顺 - 顺式异构体，b）将足够量的a）中得到的溶液中加入硝酸铀，使得实际上所有异构体（顺式 - 顺 - 顺式异构体除外）均沉淀 以与硝酸铀酰的络合物形式，c）分离所形成的沉淀物，d）从溶液中回收顺式 - 顺 - 顺式异构体，和e）从沉淀物中回收顺 - 顺 - 顺式异构体。
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4.发明授权
公开(公告)号：US5344624A
公开(公告)日：1994-09-06
申请号：US935038
申请日：1992-08-25
Applicant: Jacques Foos , Marc Lemaire , Alain Guy , Vincent Guyon , Rodolphe Chomel , Andre Delo Ge , Pierre Doutreluigne , Henri Le Roy
Inventor： Jacques Foos , Marc Lemaire , Alain Guy , Vincent Guyon , Rodolphe Chomel , Andre Delo Ge , Pierre Doutreluigne , Henri Le Roy
CPC classification number: G21C19/46 , G21F9/06 , Y02W30/883
Abstract: The invention concerns the recovery of Pu (IV) by using crown compounds.According to the invention, the aqueous solution containing the plutonium (IV) is placed in contact with at least one crown compound, for example DCH 18C6, dissolved in an organic diluting agent, such as benzonitrile. In the case where the solution only contains traces of Pu, it is possible to use a crown compound secured to a solid phase, such as silica.The aqueous solution is a concentrated solution of fission products, an effluent originating from an irradiated nuclear fuel reprocessing installation or a concentrated solution of plutonium with americium.
Abstract translation: 本发明涉及通过使用冠状化合物回收Pu（IV）。 根据本发明，含有钚（IV）的水溶液与至少一种溶解在有机稀释剂如苄腈中的冠状化合物（例如DCH 18C6）接触。 在溶液仅含有痕量Pu的情况下，可以使用固定在固相上的冠状化合物，例如二氧化硅。 水溶液是裂变产物的浓缩溶液，源自辐照的核燃料后处理装置的流出液或钚与钚的浓缩溶液。
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