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Study on Co-recovery of Some Low-grade Pt-Pd Ores

机译：一些低品位铂钯矿石共回收研究

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A low grade Pt-Pd ores, with 1g/t Pt and 0.13g/t Pd, and 8.70% Fe and 2.50% P2O5 is experimented to recover of Pt and Pd. The flowsheet is proposed which consists of Pt-Pd selective flotation, apatite flotation from tailings of Pt-Pd flotation, magnetic separation of magnetite from apatite flotation tailing. With butyl xanthate, N-ally group-O-isobuturyl-thioanimoformate and Sodium y-89 xanthate as collectors, sodium silicate as depressant, and sodium carbonate as pH regulator, a concentrate, assaying 324.52 g/t Pt and 45.62 g/t Pd, is obtained with recoveries of 87.23% Pt and 76.89% Pd from surface ore. A concentrate, assaying 1693.53 g/t Pt and 64.12 g/t Pd, is obtained with recoveries of 88.54% Pt and 83.78% Pd from primary ore. At same time, A iron concentrate assaying 64.12% Fe with a recovery of 24.94%, and a apatite concentrate assying 30.32% P2O5 with a recovery of 80.12% are obtained.
机译：实验了低品位的Pt-Pd矿石，其含1g / t Pt和0.13g / t Pd，以及8.70％的Fe和2.50％的P2O5，以回收Pt和Pd。提出了由Pt-Pd选择性浮选，Pt-Pd浮选尾矿中的磷灰石浮选，磁铁矿与磷灰石浮选尾矿的磁选组成的流程图。用黄原酸丁酯，N-烯丙基-O-异丁酰基硫代氨基甲酸钠和y-89黄原酸钠作为收集剂，硅酸钠作为抑制剂和碳酸钠作为pH调节剂，其浓缩液的含量为324.52 g / t Pt和45.62 g / t Pd从地表矿石中可回收到87.23％Pt和76.89％Pd。获得的精矿含量为1693.53 g / t Pt和64.12 g / t Pd，从原矿中回收率分别为88.54％Pt和83.78％Pd。同时，获得的铁精矿含量为64.12％，回收率为24.94％，磷灰石精矿中的P2O5含量为30.32％，回收率为80.12％。

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