FIELD: metallurgy of noble metals, more particularly production of platinum group metals, gold and silver. SUBSTANCE: charge comprises, wt.%: calcium oxide or calcium oxide-based industrial products, 4-15; circulating silicate slag resulting from production of platinum group metals, 30-60; or water-insoluble residues, the balance. Charge makes it possible to reduce removal of dust during melting operation, to produce desired fragile alloy and to obtain low-viscous and low-melting slags. EFFECT: improved quality of the charge. 2 ex, 3 tbl
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Authors
Dates
2001-04-27—Published
1999-02-04—Filed