METHOD TO PROCESS REFRACTORY GOLD-BEARING SULFIDE RAW MATERIAL Russian patent published in 1994 - IPC

Abstract RU 2025521 C1

FIELD: non-ferrous materials metallurgy. SUBSTANCE: method includes mixing raw materials and fluxes, blend smelting to produce slag and metal containing melt, melt cooling and gold extraction. Sulfur and arsenic are removed from raw materials before their mixing with fluxes. Product mixing is accompanied with liming and adding silicate fluxes in amounts ensuring CaO/SiO₂ ratio in the initial blend exceeding 1, the balance being gold-bearing raw material. Smelting is carried out until complete melting. EFFECT: refractory gold-bearing sulfide material processing. 1 tbl

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RU 2 025 521 C1

Authors

Manabaeva S.K.

Lankov B.Ju.

Dates

1994-12-30—Published

1992-03-13—Filed