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2 422 199

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(51)

IPC

B01J20/02(2006-01-01)

B01J20/30(2006-01-01)

C01G43/06(2006-01-01)

C01G56/00(2006-01-01)

(21) (22)

Application

2010106536/05, 2010-02-24

(24)

Start date

2010-02-24

(22)

Actual filing date

2010-02-24

(45)

Published

2011-06-27

(72)

Inventor

Seregin Mikhail BorisovichKuznetsov Andrej Jur'EvichVishnjakova Ol'Ga Viktorovna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij Institut Khimicheskoj Tekhnologii"

URANYL FLUORIDE-BASED SORBENT AND METHOD OF ITS PRODUCTION Russian patent published in 2011 - IPC B01J20/02 B01J20/30 C01G43/06 C01G56/00

Abstract RU 2422199 C1

FIELD: process engineering.

SUBSTANCE: invention relates to production of sorbents used for treatment of uranium hexafluoride made from irradiated nuclear fuel to remove plutonium heaxafluoride. Proposed sorbent comprises uranyl fluoride and additive to increase sorbent porositity selected from fluorides of calcium, magnesium, strontium and barium in amount of 5-25 wt %. Said sorbent is produced on mixing uranyl fluoride and aforesaid additive. Obtained mass is formed and dried at 20-25°C on heating in 75°C, 120°C and 150°C steps.

EFFECT: sorbent high-porosity strong granules.

2 cl, 1 ex, 1 tbl

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RU 2 422 199 C1

Authors

Seregin Mikhail Borisovich

Kuznetsov Andrej Jur'Evich

Vishnjakova Ol'Ga Viktorovna

Dates

2011-06-27—Published

2010-02-24—Filed