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2 327 642

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(51)

IPC

C01F7/38(2006-01-01)

(21) (22)

Application

2006147418/15, 2006-12-29

(24)

Start date

2006-12-29

(22)

Actual filing date

2006-12-29

(45)

Published

2008-06-27

(72)

Inventor

Senjuta Aleksandr SergeevichDavydov Ioan VladimirovichGolovanov Anatolij AleksandrovichD'Jachenko Maja Georgievna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Vserossijskij Aljuminievo-Magnievyj Institut"

CHARGE FOR ALUMINA PRODUCTION Russian patent published in 2008 - IPC C01F7/38

Abstract RU 2327642 C1

FIELD: metallurgy.

SUBSTANCE: invention can be implemented at alumina production out of ferriferrous bauxites by a sintering process. Corundum containing wastes are introduced into the charge besides bauxite, limestone, soda, and utilisable products of alumina production such as white slime and soda solution, at that molecular ratio is kept as Fe₂O₃:Al₂O₃=0.17:0.32.

EFFECT: prevents melting of a cake and formation of crusts which increases efficiency of industrial rotating sintering furnaces; also upgrades sintering quality and allows utilising of corundum containing wastes.

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RU 2 327 642 C1

Authors

Senjuta Aleksandr Sergeevich

Davydov Ioan Vladimirovich

Golovanov Anatolij Aleksandrovich

D'Jachenko Maja Georgievna

Dates

2008-06-27—Published

2006-12-29—Filed