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Application

98109678/28, 1998-05-20

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Start date

1998-05-20

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Actual filing date

1998-05-20

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Published

1999-10-20

(72)

Inventor

Stefanovskij S.V.Omel'Janenko B.I.Judintsev S.V.Nikonov B.S.

(73)

Holder

Moskovskoe Gosudarstvennoe Predprijatie Ob"Edinennyj Ehkologo-Tekhnologicheskij I Nauchno-Issledovatel'Skij Tsentr Po Obezvrezhivaniju Rao I Okhrane Okruzhajushchej Sredy Npo.

METHOD OF IMMOBILIZATION OF HIGH-ACTIVITY WASTES IN CERAMIC MATRIX Russian patent published in 1999 - IPC

Abstract RU 2140106 C1

FIELD: radioactive waste disposal. SUBSTANCE: high-activity wastes containing actinide elements, zirconium, and alkali-earth elements are subjected to calcination, calcined material is then mixed with titanium, calcium, and manganese oxides, mixture is heated in oxidative atmosphere to working temperature at least atmospheric pressure, aged, and cooled to state suitable for long-term storage. EFFECT: increased product stability.

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RU 2 140 106 C1

Authors

Stefanovskij S.V.

Omel'Janenko B.I.

Judintsev S.V.

Nikonov B.S.

Dates

1999-10-20—Published

1998-05-20—Filed

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