METHOD OF ZINC PRODUCTION FROM ZINC DROSS Russian patent published in 2002 - IPC

Abstract RU 2188244 C1

FIELD: metallurgical industry; applicable in zinc production from zinc dross in the form of wastes of hot galvanizing of steel strips. SUBSTANCE: method includes loading of dross into furnace, its smelting, holding of obtained melt at furnace temperature of 460-500 C and its discharge into lingot. After dross loading, temperature in furnace is brought to valve equalling 1.0-1.12 temperature of hard zinc and it is held for 0.25-0.5 h. Heating is discontinued and after temperature drop to holding temperature, material is held at said temperature for 0.3-1.2 h. EFFECT: higher purity of zinc smelted from zinc dross, reduced power consumption for its smelting. 1 tbl, 1 ex

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RU 2 188 244 C1

Authors

Chernov P.P.

Koryshev A.N.

Larin Ju.I.

Astakhov A.N.

Evsjukov V.N.

Bubnov S.Ju.

Dates

2002-08-27Published

2001-04-11Filed