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2 146 299

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IPC

(21) (22)

Application

97119594/02, 1997-11-27

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Start date

1997-11-27

(22)

Actual filing date

1997-11-27

(45)

Published

2000-03-10

(72)

Inventor

Kozlov Vladillen AleksandrovichSedykh A.M.(Ru)Kamenskikh A.A.(Ru)Shajakhmetova Roza AbdrakhmanovnaVdovin V.V.(Ru)Peskishev S.G.(Ru)Shashin A.K.(Ru)Zelenov V.N.(Ru)Karpov A.A.(Ru)Pechenkina A.A.(Ru)

(73)

Holder

Nauchno-Proizvodstvennoe Ob"EdinenieOtkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Zavod"

METHOD OF CONCENTRATING MANGANESE FROM DRAINAGE WATER Russian patent published in 2000 - IPC

Abstract RU 2146299 C1

FIELD: nonferrous metallurgy. SUBSTANCE: to concentrate manganese from drainage water from processing of vanadium-containing converter slags, drainage water is treated with calcium hydroxide and then subjected to aeration for less than 24 hr at air flow rate 100 to 200 cu.m per 1 cu.m pulp until 3-5 wt % of Mn(IV) ion concentration in concentrate is attained. Concentrated manganese solution is finally filtered. EFFECT: increased filtration rate and enabled closed-circuit process. 3 ex

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RU 2 146 299 C1

Authors

Kozlov Vladillen Aleksandrovich

Sedykh A.M.(Ru)

Kamenskikh A.A.(Ru)

Shajakhmetova Roza Abdrakhmanovna

Vdovin V.V.(Ru)

Peskishev S.G.(Ru)

Shashin A.K.(Ru)

Zelenov V.N.(Ru)

Karpov A.A.(Ru)

Pechenkina A.A.(Ru)

Dates

2000-03-10—Published

1997-11-27—Filed