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2 271 401

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(51)

IPC

C22B60/02(2006-01-01)

C22B3/20(2006-01-01)

(21) (22)

Application

2004130420/02, 2004-10-18

(24)

Start date

2004-10-18

(22)

Actual filing date

2004-10-18

(45)

Published

2006-03-10

(72)

Inventor

Sazanov Nikolaj PetrovichLitvinenko Valerij Grigor'EvichSheludchenko Vladimir GeorgievichJakovleva Ljudmila AleksandrovnaGorbunov Viktor AleksandrovichKorneev Vladimir BorisovichPloskov Valerij L'VovichSakhnov Vladimir Aleksandrovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Proizvodstvennoe Gorno-Khimicheskoe Ob"Edinenie"

METHOD OF PROCESSING URANIUM-CONTAINING AMMONIUM CARBONATE SOLUTIONS Russian patent published in 2006 - IPC C22B60/02 C22B3/20

Abstract RU 2271401 C1

FIELD: processing uranium-containing products formed at extraction of uranium from solutions followed by re-extraction by means of ammonium carbonates; extraction of uranium and accompanying valid components from ores.

SUBSTANCE: proposed method includes thermal dissociation at sedimentation of uranium, entrapping of ammonia and carbon dioxide from waste gases. Thermal dissociation of uranium-containing ammonium carbonate solutions is performed at temperature of 70-85°C to pH= 6.5-5.9 at simultaneous blowing of gases by air; solutions obtained after thermal dissociation are separated from uranium-containing sediment and accompanying valid components, molybdenum for example are extracted from them.

EFFECT: enhanced efficiency of utilization of ammonia and carbon dioxide; high degree of separation of uranium and admixtures; extraction of accompanying valid components, molybdenum for example.

2 cl, 1 tbl, 2 ex

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RU 2 271 401 C1

Authors

Sazanov Nikolaj Petrovich

Litvinenko Valerij Grigor'Evich

Sheludchenko Vladimir Georgievich

Jakovleva Ljudmila Aleksandrovna

Gorbunov Viktor Aleksandrovich

Korneev Vladimir Borisovich

Ploskov Valerij L'Vovich

Sakhnov Vladimir Aleksandrovich

Dates

2006-03-10—Published

2004-10-18—Filed