Ganzhou has supplied about 1.2 million tons of tungsten concentrate since 1949, which is 49% of the total output in China.
从1949年至今赣州累计生产钨精矿近120万吨，约占全国同期总产量的49%。
The floatation tungsten concentrate is treated by acid pickling to remove phosphonium and carbonate, and its final concentrate is 70.
浮选钨精矿经过酸浸除磷、碳酸盐后，获得混合钨精矿品位为70。
This paper analyzed the behaviour of tungsten and arsenic contamination factor in phosphorous-arsenic slag under the condition of pressure digestion with NaOH for wolframite concentrate.
分析了在黑钨精矿碱压煮条件下，磷砷渣中钨和污染因子砷的行为。
The gold concentrate can be used as products directly and Tungsten coarse concentrate should be sent to the on-site process for retreatment.
金精矿可直接作为产品，钨粗精矿可返回现场流程作进一步的处理。
The gold concentrate can be used as products directly and Tungsten coarse concentrate should be sent to the on-site process for retreatment.
金精矿可直接作为产品，钨粗精矿可返回现场流程作进一步的处理。
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