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1. 发明申请

US20140023571A1 METHOD OF RECOVERING RARE EARTHS FROM A SOLID MIXTURE CONTAINING A HALOPHOSPHATE AND A RARE EARTH COMPOUND AND SOLID MIXTURES SUITABLE FOR THIS METHOD 有权
标题翻译：从含有氢化磷酸盐和稀土化合物的固体混合物和适合本方法的固体混合物回收稀土的方法
公开(公告)号：US20140023571A1
公开(公告)日：2014-01-23
申请号：US13981306
申请日：2012-01-19
申请人： Jean-Jacques Braconnier , Alain Rollat
发明人： Jean-Jacques Braconnier , Alain Rollat
IPC分类号： C22B59/00
CPC分类号： C22B59/00 , C01F17/0068 , C01F17/0075 , C09K11/01 , H01J9/52 , Y02W30/72 , Y02W30/828
摘要： An acid treatment, in a liquid medium, of a solid containing a halophosphate and a rare earth compound is described. Further described, is the addition of a base to the medium obtained previously and separation of a solid phase from a liquid phase; mixing and calcination of the solid obtained previously with an alkaline solid compound; redispersing the calcined product in water, separation of the solid product from the suspension obtained in the preceding step; dispersing this solid in water and acidification of the dispersion and separation of the solid from this dispersion.
摘要翻译：描述了在液体介质中含有卤代磷酸盐和稀土化合物的固体的酸处理。进一步描述的是向先前获得的介质中加入碱，并将液相从液相中分离出来; 先用碱固体化合物混合和煅烧固体; 将煅烧产物再分散在水中，将固体产物与前述步骤获得的悬浮液分离; 将该固体分散在水中并使分散体酸化并将固体与该分散体分离。

2. 发明授权

US08501124B2 Method for recovering rare-earth elements from a solid mixture containing a halophosphate and a compound of one or more rare-earth elements 失效
标题翻译：从含有卤代磷酸盐和一种或多种稀土元素的化合物的固体混合物中回收稀土元素的方法
公开(公告)号：US08501124B2
公开(公告)日：2013-08-06
申请号：US13264303
申请日：2010-04-02
申请人： Jean-Jacques Braconnier , Alain Rollat
发明人： Jean-Jacques Braconnier , Alain Rollat
IPC分类号： C01F17/00
CPC分类号： C01F17/0043 , C01B25/32 , C01B25/37 , C01F17/0068 , C01F17/0075 , C09K11/01 , C09K11/7792 , H01J9/52 , Y02W30/72 , Y02W30/828
摘要： A method is described for recovering rare earth elements from a solid mixture including a halophosphate and at least one compound of one or more rare earth elements. The method includes: (a) acid etching the mixture; (b) adding a base to bring the pH back up to a value of at least 1.5; (c) etching the solid from step (b) with a solution of soda or potash; (d) acid etching the solid from step (c) until a pH of less than 7 is obtained, resulting in a solid phase and a liquid phase including at least one rare earth salt, and separating the solid phase from the liquid phase.
摘要翻译：描述了从包括卤代磷酸盐和至少一种一种或多种稀土元素的化合物的固体混合物中回收稀土元素的方法。该方法包括：（a）酸蚀该混合物; （b）加入碱使pH恢复到至少1.5的值; （c）用苏打或钾盐溶液蚀刻来自步骤（b）的固体; （d）从步骤（c）酸蚀刻固体直到pH小于7，得到固相和包含至少一种稀土盐的液相，并从液相中分离出固相。

3. 发明授权

US09102998B2 Method of recovering rare earths from a solid mixture containing a halophosphate and a rare earth compound and solid mixtures suitable for this method 有权
标题翻译：从含有卤代磷酸盐和稀土类化合物的固体混合物中回收稀土的方法以及适用于该方法的固体混合物
公开(公告)号：US09102998B2
公开(公告)日：2015-08-11
申请号：US13981306
申请日：2012-01-19
申请人： Jean-Jacques Braconnier , Alain Rollat
发明人： Jean-Jacques Braconnier , Alain Rollat
IPC分类号： C22B59/00 , C01F17/00 , C09K11/01 , H01J9/52
CPC分类号： C22B59/00 , C01F17/0068 , C01F17/0075 , C09K11/01 , H01J9/52 , Y02W30/72 , Y02W30/828
摘要： An acid treatment, in a liquid medium, of a solid containing a halophosphate and a rare earth compound is described. Further described, is the addition of a base to the medium obtained previously and separation of a solid phase from a liquid phase; mixing and calcination of the solid obtained previously with an alkaline solid compound; redispersing the calcined product in water, separation of the solid product from the suspension obtained in the preceding step; dispersing this solid in water and acidification of the dispersion and separation of the solid from this dispersion.
摘要翻译：描述了在液体介质中含有卤代磷酸盐和稀土化合物的固体的酸处理。进一步描述的是向先前获得的介质中加入碱，并将液相从液相中分离出来; 先用碱固体化合物混合和煅烧固体; 将煅烧产物再分散在水中，将固体产物与前述步骤获得的悬浮液分离; 将该固体分散在水中并使分散体酸化并将固体与该分散体分离。

4. 发明申请

US20120070351A1 METHOD FOR RECOVERING RARE-EARTH ELEMENTS FROM A SOLID MIXTURE CONTAINING A HALOPHOSPHATE AND A COMPOUND OF ONE OR MORE RARE-EARTH ELEMENTS 失效
标题翻译：从含有一种或多种稀土元素的化合物和一种或多种稀土元素的固体混合物中回收稀土元素的方法
公开(公告)号：US20120070351A1
公开(公告)日：2012-03-22
申请号：US13264303
申请日：2010-04-02
申请人： Jean-Jacques Braconnier , Alain Rollat
发明人： Jean-Jacques Braconnier , Alain Rollat
IPC分类号： C01F17/00
CPC分类号： C01F17/0043 , C01B25/32 , C01B25/37 , C01F17/0068 , C01F17/0075 , C09K11/01 , C09K11/7792 , H01J9/52 , Y02W30/72 , Y02W30/828
摘要： A method is described for recovering rare earth elements from a solid mixture including a halophosphate and at least one compound of one or more rare earth elements. The method includes: (a) acid etching the mixture; (b) adding a base to bring the pH back up to a value of at least 1.5; (c) etching the solid from step (b) with a solution of soda or potash; (d) acid etching the solid from step (c) until a pH of less than 7 is obtained, resulting in a solid phase and a liquid phase including at least one rare earth salt, and separating the solid phase from the liquid phase.
摘要翻译：描述了从包括卤代磷酸盐和至少一种一种或多种稀土元素的化合物的固体混合物中回收稀土元素的方法。该方法包括：（a）酸蚀该混合物; （b）加入碱使pH恢复到至少1.5的值; （c）用苏打或钾盐溶液蚀刻来自步骤（b）的固体; （d）从步骤（c）酸蚀刻固体直到pH小于7，得到固相和包含至少一种稀土盐的液相，并从液相中分离出固相。

5. 发明授权

US4647438A Separation of rare earth values by liquid/liquid extraction 失效
标题翻译：通过液/液萃取分离稀土值
公开(公告)号：US4647438A
公开(公告)日：1987-03-03
申请号：US719139
申请日：1985-04-02
申请人： Jean-Louis Sabot , Alain Rollat
发明人： Jean-Louis Sabot , Alain Rollat
IPC分类号： B01D11/04 , C01F17/00 , C22B3/38 , C22B59/00
CPC分类号： C22B3/0093 , C01F17/0006 , C22B3/0066 , C22B3/0077 , C22B3/0087 , C22B3/0094 , Y02P10/234 , Y10S423/14
摘要： At least one rare earth value is selectively separated from at least one other rare earth value, by selectively liquid/liquid extracting an aqueous phase comprising the nitrates of said rare earth values with an organic phase which comprises an organic extractant, said organic extractant comprising at least one organophosphinic compound having one of the formulae (I) or (I'): ##STR1## wherein R.sub.1 and R.sub.2, which may be identical or different, are each substituted or unsubstituted alkyl, cycloalkyl, alkoxyalkyl or alkylcycloalkyl radicals, and X is either hydrogen or a cation.
摘要翻译：通过选择性地液体/液体提取包含所述稀土值的硝酸盐的水相与包含有机萃取剂的有机相，将至少一种稀土值选择性地与至少一种其它稀土值分离，所述有机萃取剂包含（I）或（I'）之一的至少一种有机膦化合物：其中R 1和R 2可以相同或不同，各自为取代或未取代的烷基，环烷基，烷氧基烷基或烷基环烷基，X是氢或阳离子。

6. 发明授权

US4938852A Recovery of europium (II) values by electrolysis 失效
标题翻译：通过电解回收铕（II）值
公开(公告)号：US4938852A
公开(公告)日：1990-07-03
申请号：US220263
申请日：1988-07-18
申请人： Jean-Yves Dumousseau , Alain Rollat , Jean-Louis Sabot
发明人： Jean-Yves Dumousseau , Alain Rollat , Jean-Louis Sabot
IPC分类号： C01F17/00 , C25B1/00
CPC分类号： C25B1/00 , C01F17/0006
摘要： Highly pure europium (II) values are produced in high yields by electrolytically reducing an aqueous solution of europium (III) values circulating in the cathode compartment of an electrolytic cell, the electrolytic cell including a graphite cathode and an anode compartment separated from the cathode compartment by a cationic exchange membrane, recovering a solution of europium (II) values from the cathode compartment, and advantageously liquid/liquid extracting the europium (II) values thereform, e.g., with an organic solution of an organophosphorus extractant.
摘要翻译：通过电解还原在电解池的阴极室中循环的铕（III）值的水溶液，电解槽包括从阴极室分离的石墨阴极和阳极室，以高产率生产高纯度的铕（II）值通过阳离子交换膜，从阴极室回收铕（II）值的溶液，并且有利地液体/液体提取其中的铕（II）值，例如用有机磷萃取剂的有机溶液。

7. 发明授权

US4834952A Purification of barium values 失效
标题翻译：钡值的净化
公开(公告)号：US4834952A
公开(公告)日：1989-05-30
申请号：US20363
申请日：1987-03-02
申请人： Alain Rollat , Jean-Louis Sabot
发明人： Alain Rollat , Jean-Louis Sabot
IPC分类号： C01F11/00 , C01F11/16 , C01F11/18 , C01F11/32 , C01F11/36 , C01F11/44 , C22B3/32 , C22B3/36 , C22B3/38
CPC分类号： C01F11/188 , C01F11/005 , C01F11/32 , C01F11/44 , C22B3/0024 , C22B3/0037 , C22B3/0067 , C22B3/0087 , C01P2006/80 , Y02P10/234
摘要： Purified barium salts essentially devoid of strontium impurities, e.g., highly pure barium carbonate, are produced by liquid/liquid extracting an aqueous solution of impure barium values with an organic solvent medium which comprises at least one water-insoluble carboxylic acid, phosphonic acid monoester, or substituted 8-hydroxyquinoline extractant. The mixture of extraction is separated into a purified aqueous phase containing the desired barium salt values and an organic phase containing the impurity values sought to be removed.
摘要翻译：通过用含有至少一种水不溶性羧酸，膦酸单酯，有机溶剂的有机溶剂介质的液/液萃取不纯钡值的水溶液来制备基本上不含锶杂质的纯碱钡盐，例如高纯度碳酸钡，或取代的8-羟基喹啉萃取剂。将萃取混合物分离成含有所需钡盐值的纯化水相和含有寻求除去的杂质值的有机相。

8. 发明授权

US4726938A Liquid/liquid extraction/purification of impure solutions of rare earth values 失效
标题翻译：液/液萃取/纯化稀土稀土溶液
公开(公告)号：US4726938A
公开(公告)日：1988-02-23
申请号：US819060
申请日：1986-01-15
申请人： Alain Rollat , Jean-Louis Sabot , Michel Burgard , Thierry Delloye
发明人： Alain Rollat , Jean-Louis Sabot , Michel Burgard , Thierry Delloye
IPC分类号： C22B59/00 , B01D61/40 , C01F11/00 , C01F17/00 , C22B3/26 , B01D11/04
CPC分类号： C22B3/002 , B01D61/40 , C01F11/005 , C01F17/0006 , C22B3/0018 , Y02P10/234 , Y10S423/14
摘要： Aqueous nitric solutions of salts of at least one rare earth, and containing contaminating amounts of at least one alkaline earth cation, e.g., calcium, barium and/or radium, are conveniently purified by liquid/liquid extracting same with an organic phase which comprises a polyether extractant for said at least one alkaline earth cation, e.g., a crown ether, and whereby said at least one alkaline earth cation is selectively transferred into said organic phase.
摘要翻译：至少一种稀土盐的含水硝酸溶液和含有污染量的至少一种碱土金属阳离子（例如钙，钡和/或镭）的方法，通过液体/液体用有机相提取方便地纯化，所述有机相包含所述至少一种碱土金属阳离子的聚醚萃取剂，例如冠醚，并且其中所述至少一种碱土金属阳离子选择性地转移到所述有机相中。

9. 发明授权

US4676957A Electrolytic separation of cerium/rare earth values 失效
标题翻译：电解铈/稀土元素分离值
公开(公告)号：US4676957A
公开(公告)日：1987-06-30
申请号：US843513
申请日：1986-03-25
申请人： Michel Martin , Alain Rollat
发明人： Michel Martin , Alain Rollat
IPC分类号： C22B59/00 , C01B17/00 , C01F17/00 , C25B1/00
CPC分类号： C25B1/00 , C01F17/0006
摘要： Cerium and rare earth values are separated from an aqueous medium comprised thereof, by (i) anodically electrolytically treating such aqueous medium and oxidizing the Ce (III) values therein to Ce (IV) values, (ii) extracting said electrolyzed aqueous medium with a selective organic extractant for said Ce (IV) values, and permitting the extracted medium to separate into an organic phase enriched in Ce (IV) values and a product aqueous phase enriched in rare earth values, (iii) reducing the Ce (IV) values in said organic phase to Ce (III) values and admixing same with an aqueous medium, and (iv) permitting said admixture to separate into an organic phase and a product aqueous phase enriched in Ce (III) values.
摘要翻译：通过（i）对这种水性介质进行阳极电解处理并将其中的Ce（III）值氧化成Ce（IV）值，将铈和稀土值与其组成的水性介质分离，（ii）用所述Ce（IV）值的选择性有机萃取剂，并且允许萃取的介质分离成富含Ce（IV）值的有机相和富含稀土值的产物水相，（iii）降低Ce（IV）值在所述有机相中将Ce（III）值与水性介质相混合，和（iv）允许所述混合物分离成有机相和富含Ce（III）值的产物水相。

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