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| Leaching Experiment of Molybdenum from Leaching Nickel Residue of Ni-Mo Ore |
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Received:March 04, 2014
Revised:March 05, 2014
Accepted:March 05, 2014
Published Online:October 29, 2015
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| DOI： |
| KeyWord:Ni-Mo ore; leaching nickel residue; molybdenum; leaching; NaOH |
| Author | Institution |
| fu weiqin |
Kunming Metallurgy Research Institute |
| yang dajin |
Kunming Metallurgy Research Institute |
| liu junchang |
Kunming Metallurgy Research Institute |
| liao yuanshuang |
Kunming Metallurgy Research Institute |
| mu xingbing |
Kunming Metallurgy Research Institute |
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| Abstract: |
| The leaching nickel residue was treated by alkaline pressure oxidation process for extracting molybdenum. The effects were studied of sodium hydroxide concentration, leaching time, leaching temperature, oxygen pressure and sodium carbonate substitution fraction on molybdenum leaching rate. The experimental results show that when sodium hydroxide concentration is 100 g/L, liquid-solid ratio is 3, leaching temperature is 80 ℃, leaching time is 2.0 h, oxygen pressure is 700 kPa, stirring speed is 500 r/min, the molybdenum leaching rate can reach over 97 %. |
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