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2 540 603

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IPC

B01J20/281(2006-01-01)

G21F9/12(2006-01-01)

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Application

2013108298/05, 2013-02-26

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Start date

2013-02-26

(22)

Actual filing date

2013-02-26

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Published

2015-02-10

(72)

Inventor

Baulin Vladimir Evgen'EvichBaulin Anton VladimirovichKovalenko Ol'Ga Vasil'EvnaTsivadze Aslan JusupovichUsolkin Anatolij NikolaevichPlekhanov Valerij ViktorovichChukhlantseva Ekaterina Vladimirovna

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

COMPOSITION OF EXTRACTION CHROMATOGRAPHIC MATERIAL FOR SELECTIVE SEPARATION OF U(VI), Th(IV), Np(IV) AND Pu (IV) FROM NITRIC ACID SOLUTIONS Russian patent published in 2015 - IPC B01J20/281 G21F9/12

Abstract RU 2540603 C2

FIELD: chemistry.

SUBSTANCE: invention relates to field of recycling of radioactive solutions. Composition of extraction chromatographic material for selective separation of U(VI), Th(IV), Np(IV) and Pu(IV) from nitric acid solutions contains three components. As complexants composition contains 33% of methyltrioctylammonium nitrate (MTOAN) and 1-16% of phosphoryl podand. As matrix composition contains macroporous spherical granulated copolymer of styrene with divinylbenzene. As phosphoryl podand used are derivatives of 1,5-bis[2-(oxyethoxyphosphoryl)-4-(alkyl)phenoxy-3-oxapentane of general formula I , where Alk is alkyl C₁-C₁₂.

EFFECT: extension of spectrum of highly efficient selective sorbents for extraction of U(VI), Th(IV), Np(IV) and Pu(IV) from nitric acid solutions.

8 dwg

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RU 2 540 603 C2

Authors

Baulin Vladimir Evgen'Evich

Baulin Anton Vladimirovich

Kovalenko Ol'Ga Vasil'Evna

Tsivadze Aslan Jusupovich

Usolkin Anatolij Nikolaevich

Plekhanov Valerij Viktorovich

Chukhlantseva Ekaterina Vladimirovna

Dates

2015-02-10—Published

2013-02-26—Filed