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Research on Molybdenum Leaching from Low Grade Lead-Molybdenum Rough Concentrate
The sodium sulfide leaching process was adopted for oxidation molybdenum extraction. The leaching rate of molybdenum was 85% under the conditions that particle size of ore was 83% -0.0074 mm, the dosage of sodium sulfide was two times as the theoretical value, the ratio of liquid (volume) to solid(mass) was 3∶1, the leaching temperature was 90~95℃and the leaching lasted 1 h. So, Lead was remained in the leaching slag in the form of lead sulfide, and the separation of lead and molybdenum was achieved.

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