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2 386 182

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(51)

IPC

G21F9/16(2006-01-01)

(21) (22)

Application

2008119850/06, 2008-05-19

(24)

Start date

2008-05-19

(22)

Actual filing date

2008-05-19

(45)

Published

2010-04-10

(72)

Inventor

Remizov Mikhail BorisovichBogdanov Aleksej FridrikhovichProskurjakov Aleksej Nikolaevich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Ob"Edinenie

SILICOPHOSPHATE GLASS FOR IMMOBILISING RADIOACTIVE WASTES Russian patent published in 2010 - IPC G21F9/16

Abstract RU 2386182 C2

FIELD: chemistry.

SUBSTANCE: silicophosphate glass for immobilising radioactive wastes contains sodium oxide, aluminium oxide, boron oxide, phosphorus oxide and natural impurities of oxides of polyvalent elements, and additionally contains silicon oxide, with the following ratio of components in wt %: Na₂O 18.0-27.5 Al₂O₃ 14.0-26.0, B₂O₃ 0.0-6.0, P₂O₅ 40.0-55.0 SiO₂ 1.0-10.5 The sum of oxides of wastes, contains Al₂O₃, SiO₂, impurities of oxides of polyralent elements (products of clividing and corrosion) 18.0-36.0.

EFFECT: obtaining quality homogeneous glass with high chemical, thermal and crystallisation resistance, as well as considerably high content of radioactive wastes.

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RU 2 386 182 C2

Authors

Remizov Mikhail Borisovich

Bogdanov Aleksej Fridrikhovich

Proskurjakov Aleksej Nikolaevich

Dates

2010-04-10—Published

2008-05-19—Filed