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2 288 977

(13)

(51)

IPC

C25C3/18(2006-01-01)

(21) (22)

Application

2005113666/02, 2005-05-04

(24)

Start date

2005-05-04

(22)

Actual filing date

2005-05-04

(45)

Published

2006-12-10

(72)

Inventor

Frolov Anton Valer'EvichGusev Aleksandr OlegovichZajkov Jurij PavlovichShurov Nikolaj IvanovichKhramov Andrej Petrovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Tsentr"

ELECTROLYTE FOR PRODUCTION OF ALUMINUM Russian patent published in 2006 - IPC C25C3/18

Abstract RU 2288977 C1

FIELD: non-ferrous metallurgy; production of aluminum by electrolysis of cryolite-alumina melt.

SUBSTANCE: electrolyte contains sodium cryolite, alumina and modified additives of potassium fluoride, lithium fluoride, calcium fluoride and magnesium fluoride at the following ratio of components, mass-%: potassium fluoride, 4.0-7.0; lithium fluoride, 1.0-3.0; calcium fluoride, 4.0-5.0; magnesium fluoride, 0.5-1.5; alumina, 2.0-4.0; aluminum fluoride, 4.0-6.0; the remainder being sodium cryolite.

EFFECT: intensification of aluminum production process; enhanced technical and economical parameters; enhanced ecological safety.

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RU 2 288 977 C1

Authors

Frolov Anton Valer'Evich

Gusev Aleksandr Olegovich

Zajkov Jurij Pavlovich

Shurov Nikolaj Ivanovich

Khramov Andrej Petrovich

Dates

2006-12-10—Published

2005-05-04—Filed