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2 653 394

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IPC

C22B7/02(2006-01-01)

C22B19/00(2006-01-01)

C22B19/38(2006-01-01)

(21) (22)

Application

2017109657, 2017-03-23

(24)

Start date

2017-03-23

(22)

Actual filing date

2017-03-23

(45)

Published

2018-05-08

(72)

Inventor

Kozlov Pavel AleksandrovichYakornov Sergej AleksandrovichPanshin Andrej MikhajlovichIzbrekht Pavel AleksandrovichMakhmudov Dzhakhangir IskandarovichZatonskij Aleksandr ValentinovichIvakin Dmitrij AnatolevichLeontev Leopold IgorevichDyubanov Valerij Grigorevich

(73)

Holder

Publichnoe Aktsionernoe Obshchestvo Tsinkovyj Zavod"

METHOD OF PROCESSING ZINC-CONTAINING DUST OF ELECTRIC ARC FURNACES Russian patent published in 2018 - IPC C22B7/02 C22B19/00 C22B19/38

Abstract RU 2653394 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy and can be used in the processing of zinc-containing dust of electric arc furnaces by waxing. Method includes mixing operations, rolling, waxing, hydrometallurgical processing of zinc-containing clinker. Dust of electric arc furnaces is mixed before being pelletized with the material, containing calcium oxide in an amount, providing the addition of calcium oxide in an amount of 70-110% of the content of iron oxide in the dust (Fe₂O₃), which is in the composition of zinc ferrite (ZnO×Fe₂O₃), and coke in the amount of 1-2% to the weight of said dust.

EFFECT: invention makes it possible to reduce the consumption of coke breeze, increase the extraction of zinc in solution, and lead to sublimation.

1 cl, 1 ex, 1 tbl

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RU 2 653 394 C1

Authors

Kozlov Pavel Aleksandrovich

Yakornov Sergej Aleksandrovich

Panshin Andrej Mikhajlovich

Izbrekht Pavel Aleksandrovich

Makhmudov Dzhakhangir Iskandarovich

Zatonskij Aleksandr Valentinovich

Ivakin Dmitrij Anatolevich

Leontev Leopold Igorevich

Dyubanov Valerij Grigorevich

Dates

2018-05-08—Published

2017-03-23—Filed