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2 277 069

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C2

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IPC

C01F7/04(2006-01-01)

B01D1/26(2006-01-01)

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Application

2004105502/15, 2004-02-24

(24)

Start date

2004-02-24

(22)

Actual filing date

2004-02-24

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Published

2006-05-27

(72)

Inventor

Sysoev Anatolij Vasil'EvichAminov Sibagatulla NurullovichKopytov Gennadij Grigor'EvichChernabuk Jurij NikolaevichZavadskij Kazimir FomichMajer Vil'Gel'M Vil'Gel'Movich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Aljuminievaja Kompanija"

METHOD OF CONCENTRATION OF ALUMINATE SOLUTION BY EVAPORATION Russian patent published in 2006 - IPC C01F7/04 B01D1/26 

Abstract RU 2277069 C2

FIELD: methods of concentration of solutions by evaporation in multiple-effect evaporators; alumina processes.

SUBSTANCE: proposed method of concentration of aluminate solution by evaporation is performed in multiple-effect evaporator provided with production shell at natural circulation of solution. Solution admitted to production shell at positive temperature differential of this shell and solution circulating is fed to ascending section of evaporator circulating contour and at negative temperature differential it is fed to descending section.

EFFECT: enhanced economical efficiency; reduction of heating tube wear.

3 dwg

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RU 2 277 069 C2

Authors

Sysoev Anatolij Vasil'Evich

Aminov Sibagatulla Nurullovich

Kopytov Gennadij Grigor'Evich

Chernabuk Jurij Nikolaevich

Zavadskij Kazimir Fomich

Majer Vil'Gel'M Vil'Gel'Movich

Dates

2006-05-27—Published

2004-02-24—Filed

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