| Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences | Host |
| Citation: |
WANG Yubin, PENG Xiangyu, ZHANG Xiaobo, LI Shuai, WEI Yaru. Concentration of Nickel from a High Magnesium Iron Lean Nickel Laterite Ore by Acid Leaching[J]. Conservation and Utilization of Mineral Resources, 2015, (4): 43-47. doi: 10.13779/j.cnki.issn1001-0076.2015.04.009
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Concentration of Nickel from a High Magnesium Iron Lean Nickel Laterite Ore by Acid Leaching
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Abstract
The contents of iron and magnesium in a refractory depleted nickel oxide ore are high, while the content of nickel is only 0.71%, so it is difficult to separate the ore by physical methods. The effects of experimental conditions such as ore particle size, leaching time, leaching agent dos-age, leaching temperature and liquid-solid ratio on nickel leaching rate were investigated with comminution-acid leaching-purification-nickel sulfide precipitation-magnesium carbide pre-cipitation process.Under the condition of ore particle size -0.35 mm of 60%, leaching time 2 h, the amount of sulfuric acid and hydrochloric of 50+200 g/L, leaching temperature 70℃, liquid-solid ratio of 4:1, the leaching rate was 87.29%.The research reslut has some reference value on this kind of ore in recovery of nickel. -
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WANG Yubin, PENG Xiangyu, ZHANG Xiaobo, LI Shuai, WEI Yaru. Concentration of Nickel from a High Magnesium Iron Lean Nickel Laterite Ore by Acid Leaching[J]. Conservation and Utilization of Mineral Resources, 2015, (4): 43-47. doi: 10.13779/j.cnki.issn1001-0076.2015.04.009
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