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2 107 959

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C1

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Application

96114480/25, 1996-07-19

(22)

Actual filing date

1996-07-19

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Published

1998-03-27

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Inventor

Ufimtsev V.P.Shevtsev P.P.Ramazanov L.M.Suslov Ju.P.Rovnyj S.I.Suslov A.P.Kuz'Menko V.I.Karlov V.A.Shevtsov N.A.Malyshev S.V.Glagolenko Ju.V.Drozhko E.G.Dzekun E.G.

(73)

Holder

Proizvodstvennoe Ob"Edinenie

METHOD FOR CLEANING URANIUM FROM PLUTONIUM Russian patent published in 1998 - IPC

Abstract RU 2107959 C1

FIELD: fuel for nuclear reactors. SUBSTANCE: uranium and plutonium are extracted in solutions of tributyl phosphate in inert thinner. Uranium-saturated extract is rinsed with nitric acid solution containing iron II and hydrazine. Then extract is rinsed again with 0.5 mol/l solution of nitric acid containing 0.5-1 g/l of oxalic acid and same amount of diethylene triaminepentaacetic acid. EFFECT: facilitated procedure; improved cleaning efficiency. 1 dwg , 2 tbl

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RU 2 107 959 C1

Authors

Ufimtsev V.P.

Shevtsev P.P.

Ramazanov L.M.

Suslov Ju.P.

Rovnyj S.I.

Suslov A.P.

Kuz'Menko V.I.

Karlov V.A.

Shevtsov N.A.

Malyshev S.V.

Glagolenko Ju.V.

Drozhko E.G.

Dzekun E.G.

Dates

1998-03-27—Published

1996-07-19—Filed

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