FIELD: precious metal technology. SUBSTANCE: persistent gold-arsenic ores and concentrates are subjected to non-oxidative smelting. Molten arsenic sulfide and slag masses obtained are washed by lead under stirring, lead is separated, and exhausted products are returned. EFFECT: increased direct recovery of precious metals. 1 tbl
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Authors
Dates
1998-05-10—Published
1996-06-28—Filed