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2 079 907

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C1

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IPC

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Application

94044253/25, 1994-12-07

(22)

Actual filing date

1994-12-07

(45)

Published

1997-05-20

(72)

Inventor

Kritskij V.G.Shmakov L.V.Garusov Ju.V.Filimontsev Ju.N.Berezina I.G.Stjazhkin P.S.Shavlov M.V.Chernikov O.G.

(73)

Holder

Leningradskaja Atomnaja Ehlektrostantsija Im.V.I.Lenina

METHOD FOR STORING SPENT NUCLEAR FUEL WITH ZIRCONIUM-ALLOY CLADDINGS IN AT-REACTOR COOLING PONDS Russian patent published in 1997 - IPC

Abstract RU 2079907 C1

FIELD: nuclear power engineering. SUBSTANCE: donor of such inhibitor as ferrous iron is introduced in a canister to ensure iron concentration of 30 - 50 mkg/l. Foil, wire, filings, chips and other products of carbon steels can be used as the donor of ferrous iron in aqueous solutions. Ions Fe2+ reacting with radiolysis products O2 and H2O2 inhibit both radiolytic production of H2O2 and its accumulation in water inside the canister. EFFECT: increased corrosion resistance of spent fuel claddings in at-reactor cooling ponds; higher operational reliability of spent fuel assemblies in their re-use in the core. 2 cl, 1 tbl

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RU 2 079 907 C1

Authors

Kritskij V.G.

Shmakov L.V.

Garusov Ju.V.

Filimontsev Ju.N.

Berezina I.G.

Stjazhkin P.S.

Shavlov M.V.

Chernikov O.G.

Dates

1997-05-20—Published

1994-12-07—Filed

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