| 摘要 |
FIELD: precious metal technology. SUBSTANCE: charge is intended for pyrometallurgical processing of concentrates and middlings from platinum metal finishing. Charge contains silicate glass, carbon-containing reducing agent, original concentrate or finishing middlings, and, additionally, sodium sulfate and calcium fluoride. EFFECT: increased recovery of platinum group metals into desired product, reduced loss of metals with slag, and reduced expenses on subsequent processing of platinum metals in finishing cycle. 3 tbl |
