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2 538 877

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IPC

C22B47/00(2006-01-01)

C22B3/44(2006-01-01)

(21) (22)

Application

2014100521/02, 2014-01-09

(24)

Start date

2014-01-09

(22)

Actual filing date

2014-01-09

(45)

Published

2015-01-10

(72)

Inventor

Viktorov Valerij ViktorovichSirina Tat'Jana PetrovnaKrasnenko Tat'Jana IllarionovnaSolov'Ev Georgij Vladimirovich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Pedagogicheskij Universitet" VpoFederal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Khimii Tverdogo Tela Ural'Skogo Otdelenija Rossijskoj Akademii Nauk Ikhtt Uro Ran)

METHOD OF MANGANESE CONCENTRATE DEPOSITION FROM SULPHATE SOLUTIONS OR WASTES Russian patent published in 2015 - IPC C22B47/00 C22B3/44

Abstract RU 2538877 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to hydrometallurgical processing of manganese-bearing stock to get manganese concentrate with high content of manganese with low content of sulphur and phosphorus. Proposed process comprises introduction of lime-bearing reagent for deposition of manganese concentrate, filtration and flushing of manganese concentrate with water. Note here that before introduction of lime-bearing reagent, magnesium carbonate and/or magnesium carbonate-bearing substance is added to said solution in amount of 1.5-3.0 g of MgCO₃ per 1 g of Mn. Then, pulp pH is brought by lime-bearing reagent to 8-8.5, pulp is heated to 90-98°C and held thereat at mixing for 1-3 hours.

EFFECT: higher quality of product, simplified process, lower costs, improved technology.

4 tbl, 5 ex

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RU 2 538 877 C1

Authors

Viktorov Valerij Viktorovich

Sirina Tat'Jana Petrovna

Krasnenko Tat'Jana Illarionovna

Solov'Ev Georgij Vladimirovich

Dates

2015-01-10—Published

2014-01-09—Filed