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IPC

(21) (22)

Application

98123783/12, 1998-12-25

(24)

Start date

1998-12-25

(22)

Actual filing date

1998-12-25

(45)

Published

2000-09-10

(72)

Inventor

Baranov S.M.Koltunov V.S.Mezhov Eh.A.Pastushchak V.G.

(73)

Holder

Gosudarstvennyj Nauchnyj Tsentr Rossijskoj Federatsii Vserossijskij Nauchno-Issledovatel'Skij Institut Neorganicheskikh Materialov Imeni Akademika A.A. Bochvara

METHOD FOR JOINT SELECTIVE REDUCTION OF PLUTONIUM(IV) AND NEPTUNIUM(VI) TO SEPARATE THEM FROM URANIUM(VI) Russian patent published in 2000 - IPC

Abstract RU 2155711 C1

FIELD: rare-earth metal technology. SUBSTANCE: reduction of plutonium(IV) and neptunium(VI) ions into Pt(VI) and Np(V) ions in nitric acid solutions is performed when processing spent nuclear fuel. Reduction agent is salt-free hydrazinepropionitrile. EFFECT: reduced plutonium reduction time. 1 tbl, 2 ex

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RU 2 155 711 C1

Authors

Baranov S.M.

Koltunov V.S.

Mezhov Eh.A.

Pastushchak V.G.

Dates

2000-09-10—Published

1998-12-25—Filed