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2 295 167

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(51)

IPC

G21C19/46(2006-01-01)

(21) (22)

Application

2005124379/06, 2005-08-01

(24)

Start date

2005-08-01

(22)

Actual filing date

2005-08-01

(45)

Published

2007-03-10

(72)

Inventor

Tinin Vasilij VladimirovichDorda Feliks Anatol'EvichBalakhonov Vjacheslav Grigor'EvichKorotkevich Vladimir MikhajlovichLazarchuk Valerij VladimirovichLedovskikh Aleksandr KonstantinovichLysak Sergej BorisovichPeshkichev Jurij Egorovich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Khimicheskij Kombinat"

METHOD FOR RECOVERING IRRADIATED NUCLEAR FUEL Russian patent published in 2007 - IPC G21C19/46

Abstract RU 2295167 C1

FIELD: recovering spent nuclear fuel.

SUBSTANCE: proposed method for recovering irradiated nuclear fuel includes extraction redistribution using 30% tributyl phosphate in hydrocarbon diluent and precipitation of ammonia polyurethanes from uranium re-extracting agents. Ammonia polyurethanes are precipitated in environment of 1 - 10 g/l of thiocarbonic acid diamide.

EFFECT: enhanced quality of decontamination.

2 cl, 2 tbl, 2 ex

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RU 2 295 167 C1

Authors

Tinin Vasilij Vladimirovich

Dorda Feliks Anatol'Evich

Balakhonov Vjacheslav Grigor'Evich

Korotkevich Vladimir Mikhajlovich

Lazarchuk Valerij Vladimirovich

Ledovskikh Aleksandr Konstantinovich

Lysak Sergej Borisovich

Peshkichev Jurij Egorovich

Dates

2007-03-10—Published

2005-08-01—Filed