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| Rresearch on Molybdenum Extraction from Oxidation Molybdenum Concentrates |
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Received:June 11, 2010
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.01.002 |
| KeyWord:Oxidation molybdenum concentrates；Sodium carbonate；High pressure leaching |
| Author | Institution |
| CAO Yao-Hua |
中国地质科学院郑州矿产综合利用研究所 |
| LIU Hong-zhao |
中国地质科学院郑州矿产综合利用研究所 |
| GAO Zhao-guo |
中国地质科学院郑州矿产综合利用研究所 |
| YANG Shao-wen |
中国地质科学院郑州矿产综合利用研究所 |
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| Abstract: |
| According to the characters that low content of molybdenum and high content of calcspar in the oxidation molybdenum concentrates, the high pressure leaching process was adopted. In the leaching process sodium carbonate was used as leaching regent. The results showed that the optimal quantity of sodium carbonate was 1 times of its theoretical quantity, the optimal leaching time was 1 h, the optimal leaching temperature was 160 ℃ and the liquid-solid ratio was 1.5. The leaching rate was more than 97% under the optimal leaching condition. |
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