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2 569 399

(13)

(51)

IPC

C01G43/06(2006-01-01)

(21) (22)

Application

2013149346/05, 2013-11-07

(24)

Start date

2013-11-07

(22)

Actual filing date

2013-11-07

(45)

Published

2015-11-27

(72)

Inventor

Volosnev Aleksej Vasil'EvichGromov Oleg BorisovichSeredenko Viktor AleksandrovichSyrtsov Sergej Jur'EvichKoparulina Elena Semenovna

(73)

Holder

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

METHOD OF PRODUCING URANIUM TETRAFLUORIDE Russian patent published in 2015 - IPC C01G43/06

Abstract RU 2569399 C2

FIELD: chemistry.

SUBSTANCE: invention relates to uranium inorganic chemistry, particularly to the technology of producing uranium tetrafluoride. A method of producing uranium tetrafluoride comprises precipitation thereof from solutions containing a chloride-fluoride complex of U⁺⁴ using hydrofluoric acid, at process temperature of 70-80°C, wherein the hydrofluoric acid used contains tetravalent uranium in an amount which is not greater than the solubility thereof.

EFFECT: invention enables to obtain a coarse-crystalline, well-filterable uranium tetrafluoride precipitate and prevents formation of local oversaturations.

2 cl, 3 ex

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RU 2 569 399 C2

Authors

Volosnev Aleksej Vasil'Evich

Gromov Oleg Borisovich

Seredenko Viktor Aleksandrovich

Syrtsov Sergej Jur'Evich

Koparulina Elena Semenovna

Dates

2015-11-27—Published

2013-11-07—Filed