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2 171 302

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Application

2000101478/02, 2000-01-18

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Start date

2000-01-18

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Actual filing date

2000-01-18

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Published

2001-07-27

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Inventor

Gejkhman V.V.Kazanbaev L.A.Kubasov V.L.Kozlov P.A.Kolesnikov A.V.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Ehlektrolitnyj Tsinkovyj Zavod"

METHOD OF GETTING ZINC CONCENTRATE READY FOR FIRING Russian patent published in 2001 - IPC

Abstract RU 2171302 C1

FIELD: nonferrous metallurgy. SUBSTANCE: invention can be used in hydrometallurgical production of zinc from high-ferrous concentrates. Firing blend is supplemented by waste water treatment sludges containing 63-68% calcium hydroxide and 17-20% zinc in amount ensuring residual content zinc sulfate in concentrate less than 3%. EFFECT: coarsed burnt residue and optimized utilization of starting material. 1 tbl

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RU 2 171 302 C1

Authors

Gejkhman V.V.

Kazanbaev L.A.

Kubasov V.L.

Kozlov P.A.

Kolesnikov A.V.

Dates

2001-07-27—Published

2000-01-18—Filed

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