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2 225 357

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Application

2002125623/15, 2002-09-25

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Start date

2002-09-25

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Actual filing date

2002-09-25

(45)

Published

2004-03-10

(72)

Inventor

Akhmetov I.U.Anikeev V.I.Pikhtovnikov A.G.Shepelev I.I.Chashchin O.A.Klimenko T.N.Dolgireva K.I.Arbuzov P.P.Skljar V.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Glinozemnyj Kombinat"

NEPHELINE ORE PROCESSING METHOD Russian patent published in 2004 - IPC

Abstract RU 2225357 C1

FIELD: mining industry. SUBSTANCE: method concerning hydrochemical processing of alumina-containing raw material comprises providing nepheline-limestone-soda blend and caking it followed by leaching, desiliconization, and carbonization of aluminate solution to produce alumina, soda products, and potassium sulfate. Novelty resides in adding chamotte refractory brick production waste to nephelinelimestone-soda blend in amounts between 0.11 and 11% on the weight of nepheline ore. EFFECT: reduced consumption of nepheline ore, reused waste by involving it in blending process. 4 tbl

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RU 2 225 357 C1

Authors

Akhmetov I.U.

Anikeev V.I.

Pikhtovnikov A.G.

Shepelev I.I.

Chashchin O.A.

Klimenko T.N.

Dolgireva K.I.

Arbuzov P.P.

Skljar V.V.

Dates

2004-03-10—Published

2002-09-25—Filed