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2 293 780

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IPC

C22B58/00(2006-01-01)

C22B3/08(2006-01-01)

(21) (22)

Application

2005101949/02, 2005-01-27

(24)

Start date

2005-01-27

(22)

Actual filing date

2005-01-27

(45)

Published

2007-02-20

(72)

Inventor

Nabojchenko Stanislav StepanovichLebed' Andrej BorisovichMal'Tsev Gennadij IvanovichKhrennikov Aleksej AleksandrovichRadionov Boris KonstantinovichSkorokhodov Vladimir IvanovichShidlovskaja Irina PetrovnaDubrovin Pavel Viktorovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Mednosernyj Kombinat"

METHOD OF RECOVERING GALLIUM FROM GALLIUM AND ALUMINUM-CONTAINING METALLIZED MATERIAL Russian patent published in 2007 - IPC C22B58/00 C22B3/08

Abstract RU 2293780 C2

FIELD: rare metal technology.

SUBSTANCE: method comprises leaching of initial material in sulfuric acid aqueous solution to produce solution and solid precipitate, said leaching conducted in presence of sulfate of metal having higher positive oxidation potential than that of aluminum. Solution obtained is treated with complexing ampholite with benzyliminodiacetate groups and thus recovered gallium is then concentrated.

EFFECT: increased degree of gallium recovery into solution and reduced consumption of sulfuric acid.

4 cl, 3 tbl, 3 ex

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RU 2 293 780 C2

Authors

Nabojchenko Stanislav Stepanovich

Lebed' Andrej Borisovich

Mal'Tsev Gennadij Ivanovich

Khrennikov Aleksej Aleksandrovich

Radionov Boris Konstantinovich

Skorokhodov Vladimir Ivanovich

Shidlovskaja Irina Petrovna

Dubrovin Pavel Viktorovich

Dates

2007-02-20—Published

2005-01-27—Filed