Technical Study on Pressure Oxidation for Low-Grade Molybdenum Concentrate
Received:March 25, 2019   Revised:March 25, 2019   Accepted:April 01, 2019      Published Online:July 15, 2019
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DOI:doi:10.3969/j.issn.1007-7545.2019.08.009
KeyWord:low-grade molybdenum concentrate; molybdenite; pressure oxidation
                 
AuthorInstitution
LiHe 北京矿冶科技集团有限公司
WangHaibei 北京矿冶科技集团有限公司
WangYufang 北京矿冶科技集团有限公司
ChenLulu 北京矿冶科技集团有限公司
JiangYingping 北京矿冶科技集团有限公司
GaoWei 北京矿冶科技集团有限公司
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Abstract:
      Pressure oxidation for low-grade molybdenum concentrate was studied. Effects of temperature, reaction time, oxygen partial pressure, initial acidity and L/S on pressure oxidation were investigated. The results show that 99.43% above of molybdenum is oxidized and leaching rate of Cu and S is 99.7% and 97.53% respectively under the optimum conditions including temperature of 180 ℃, oxygen partial pressure of 600 kPa, reaction time of 3 h and L/S=6.
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