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(19)

(11)

2 453 495

(13)

(51)

IPC

C01B7/19(2006-01-01)

(21) (22)

Application

2010149903/05, 2010-12-03

(24)

Start date

2010-12-03

(22)

Actual filing date

2010-12-03

(45)

Published

2012-06-20

(72)

Inventor

Petlin Il'Ja VladimirovichKrajdenko Roman IvanovichD'Jachenko Aleksandr Nikolaevich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Issledovatel'Skij Tomskij Politekhnicheskij Universitet"

METHOD OF PRODUCING HYDROGEN FLUORIDE Russian patent published in 2012 - IPC C01B7/19

Abstract RU 2453495 C1

FIELD: chemistry.

SUBSTANCE: method of producing hydrogen fluoride involves sulphuric decomposition of fluorite. A sodium fluoride additive is added to the fluorite in amount of up to 10% of the total weight of the fluorite.

EFFECT: invention reduces heat consumption when heating reactants.

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RU 2 453 495 C1

Authors

Petlin Il'Ja Vladimirovich

Krajdenko Roman Ivanovich

D'Jachenko Aleksandr Nikolaevich

Dates

2012-06-20—Published

2010-12-03—Filed