专利内容由知识产权出版社提供
专利名称：METHOD FOR SEPARATING TRIVALENT
ACTINIDES FROM AT LEAST ONE TRIVALENTLANTHANIDE BY MEANS OF
(BIS)ARYLDITHIOPHOSPHONIC ACID ASORGANOPHOSPHATE AS SYNERGIST
发明人：MODOLO, GIUSEPPE, DR.,ODOJ, REINHARD申请号：EP955342.5申请日：19980915公开号：EP1019552B1公开日：20020403
摘要：The invention relates to a method for separating trivalent actinides from atleast trivalent lanthanides, whereby said trivalent actinides are extracted from anaqueous solution containing a H+ concentration of 0.01 to 2 mol/1 by using an(aryl)dithiophosphonic acid of the general formula (4) = R¿1?R2PS(SH), in which R1 =phenyl or naphthyl, R2 = phenyl or naphthyl, as well as rests of R1 and R2 substituted bymethyl, ethyl, propyl, isopropyl, cyano, nitro or halogenyl, with addition of
trioctylphosphate, tris-(2-propypentyl)-phosphate or tris-(2-ethylhexyl)-phosphate assynergist. The use of synergists according to the invention allows for a more selectiveextraction. In a more advantageous formulation, the aromatic solvent used is at least onecomponent from the toluol, xylol, tert.-(butyl)-benzol, bis-(tert.-butyl)-benzol, bis-(tert.-butyl)-benzol, tris-(tert.-butyl)-benzol, bis-isopropylbenzol and tri-isopropylbenzol,resulting in increased selectivity An(III) and distribution coefficient DAn(III).
申请人：FORSCHUNGSZENTRUM JUELICH GMBH,FORSCHUNGSZENTRUM JUELICH
GMBH,FORSCHUNGSZENTRUM JUELICH GMBH
地址：DE
国籍：DE
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