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2 215 339

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Application

2001135233/06, 2001-12-27

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Start date

2001-12-27

(22)

Actual filing date

2001-12-27

(45)

Published

2003-10-27

(72)

Inventor

Akopov F.A.Vlasov A.S.Mineev V.N.Traktuev O.M.Borovkova L.B.Lukin E.S.

(73)

Holder

Rossijskij Nauchnyj Tsentr Institut"

SACRIFICIAL LAYER MATERIAL FOR NUCLEAR-REACTOR MOLTEN CORE CATCHER Russian patent published in 2003 - IPC

Abstract RU 2215339 C2

FIELD: nuclear power engineering. SUBSTANCE: sacrificial layer material designed for reducing environmental aftereffects of severe accident and for immobilizing radionuclides is composed of mixture of calcium, aluminum, titanium, and barium oxides. Proportion of material ingredients is as follows, mass percent: TiO2, 22.53-24.70; ZrO2, 52.7-56.80; Al2O3, 11.04-12.1; CaO, 3.68-4.00; BaO, 5.93-6.50. Sacrificial layer material immobilizes fissional products into materials showing high stability with time. EFFECT: reduced impact of molten core material onto refractory layers of catcher and reduced corium temperature. 1 cl, 1 tbl

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RU 2 215 339 C2

Authors

Akopov F.A.

Vlasov A.S.

Mineev V.N.

Traktuev O.M.

Borovkova L.B.

Lukin E.S.

Dates

2003-10-27—Published

2001-12-27—Filed

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