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2 034 345

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IPC

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Application

5060098/25, 1992-08-26

(22)

Actual filing date

1992-08-26

(45)

Published

1995-04-30

(72)

Inventor

Strel'Nikov A.V.Kolycheva T.I.Kovarskaja E.N.Aloj A.S.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie Institut Im.V.G.Khlopina"

PROCESS OF IMPLANTATION OF HIGHLY ACTIVE CONCENTRATE OF TRANSPLUTONIUM AND RARE-EARTH ELEMENTS INTO CERAMICS Russian patent published in 1995 - IPC

Abstract RU 2034345 C1

FIELD: reprocessing of liquid highly active waste. SUBSTANCE: liquid highly active concentrate is mixed with zirconium nitrate so that molar proportion of sum of transplutonium and rare-earth elements to zirconium nitrate relates as (20-35): (80-65) in terms of metal oxides. Produced mixture is calcined and calcinate is subjected to hot pressing. Produced product presents stable single-phase ceramics based on zirconium dioxide. EFFECT: enhanced efficiency of process. 2 tbl

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RU 2 034 345 C1

Authors

Strel'Nikov A.V.

Kolycheva T.I.

Kovarskaja E.N.

Aloj A.S.

Dates

1995-04-30—Published

1992-08-26—Filed

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