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[PE1-016] Distribution ratios of palladium between the Cu2O-SiO2 slag and a liquid copper at 1523K
キーワード：precious metals, platinum group metals, slag loss
Platinum group metals are recovered in a copper smelting and the peculiar recycling processes by using a copper collector metal. A knowledge for the distribution behavior of PGMs between slags and a molten copper is important in evaluation of the processes.
In this study, the distribution ratios of palladium between the Cu2O-SiO2 slags and Cu-Pd alloys are measured at 1523K. The distribution ratios of palladium decrease with increasing of SiO2 content in the slags. The ratio of between the 12mass%SiO2-Cu2O slag and the liquid Pd-Cu alloy is 1/6 of the Cu2O slag without SiO2. We found that addition of SiO2 to the Cu2O slag reduces the slag loss of palladium.
In this study, the distribution ratios of palladium between the Cu2O-SiO2 slags and Cu-Pd alloys are measured at 1523K. The distribution ratios of palladium decrease with increasing of SiO2 content in the slags. The ratio of between the 12mass%SiO2-Cu2O slag and the liquid Pd-Cu alloy is 1/6 of the Cu2O slag without SiO2. We found that addition of SiO2 to the Cu2O slag reduces the slag loss of palladium.
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