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Metal Mine ›› 2010, Vol. 39 ›› Issue (10): 72-74.

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Study on Enrichment Technology of A Silver-bearing Multi-metal Manganese Ore

Yu Lixiu1,2,Tang Xianghu1,2,Zhang Ran1,2,Song Guangyi1,2   

  1. 1.Zhengzhou Institute for Multipurpose Utilization of Mineral Resources, CAGS;
    2.National Engineering Center for Multipurpose Utilization of Non-Metallic Mineral Resources
  • Online:2010-10-15 Published:2010-11-09
  • Supported by:

    中国地质调查局项目(编号:1212010816038)。

Abstract: The paper analyzed the difficulties in separation of Manganese and Silver for a silver-bearing multi-metal manganese ore from the angle of process mineralogy. With a reference to the process mineralogy study of similar ores, and combining with the nature of this ore, one suitable process is proposed, which consists of dry screening classification-dry coarse high intensity magnetic separation-wet fine high intensity magnetic separation-mixed concentrate wet leaching.Through the laboratory tests, a mixed concentrate grading at 31.59% of manganese, 657.9g / t of silver, 11.72% of iron with a Mn recovery of 90.24%, Ag recovery of 91.29%, Fe recovery of 78.51% were achieved respectivelyThis process provides a basis for large scale, high-efficiency and low cost production of similar ores.