| 红土镍矿堆浸搅拌浸出结合工艺中试研究 |
| |
| 引用本文： | 刘三平,王海北,张磊,邹小平. 红土镍矿堆浸搅拌浸出结合工艺中试研究[J]. 矿冶工程, 2014, 34(5): 97-99. DOI: 10.3969j.issn.0253-6099.2014.05.024 |
| |
| 作者姓名： | 刘三平 王海北 张磊 邹小平 |
| |
| 作者单位： | 1.东北大学 材料与冶金学院, 辽宁 沈阳 110819；2.北京矿冶研究总院, 北京 100160 |
| |
| 摘 要： | 对红土镍矿堆浸搅拌浸出工艺进行了中试研究, 红土镍矿经洗矿分级后, +0.25 mm粗粒级矿石进行堆浸, -0.25 mm细粒级矿石常压搅拌浸出。结果表明 在堆高4 m, 酸耗700 kg/t, 浸出时间142 d的柱浸条件下, Ni累计浸出率约80%；在酸耗850 kg/t, 浸出时间3.5 h, 浸出温度90～95 ℃, 矿浆浓度26%的搅拌浸出条件下, Ni浸出率可以达到85%以上。
|
| 关 键 词： | 红土镍矿 堆浸 搅拌浸出 中试 |
| 收稿时间： | 2014-04-17 |
Pilot Study on a Combined Process of Heap Leaching and Atmospheric Tank Leaching for Nickel Laterites |
| |
| LIU Sanping,WANG Haibei,ZHANG Lei,ZOU Xiaoping. Pilot Study on a Combined Process of Heap Leaching and Atmospheric Tank Leaching for Nickel Laterites[J]. Mining and Metallurgical Engineering, 2014, 34(5): 97-99. DOI: 10.3969j.issn.0253-6099.2014.05.024 |
| |
| Authors: | LIU Sanping WANG Haibei ZHANG Lei ZOU Xiaoping |
| |
| Affiliation: | 1.School of Materials & Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China; 2.Beijing General Research Institute of Mining and Metallurgy, Beijing 100160, China |
| |
| Abstract: | A pilot experiment was conducted on processing of nickel laterites with a combined process consisting of heap leaching and atmospheric tank leaching(ATL). After stages of scrubbing and screening, the ore was classified into two size fraction, one with size of +0.25 mm as feed to heap leach and another size of -0.25 mm as feed to atmospheric tank leach. It was found that the accumulated extraction rate of Ni was about 80% after column leaching with heap height of 4 m, acid consumption at 700 kg/t and leaching time of 142 d. However, the extraction rate of Ni after ATL could exceed 85% with acid consumption of 850 kg/t, leaching temperature of 90~95 ℃ and leaching time of 3.5 h, at pulp density of 26%. |
| |
| Keywords: | nickel laterites heap leaching atmospheric tank leaching ( ATL) pilot study |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《矿冶工程》浏览原始摘要信息 |
|
点击此处可从《矿冶工程》下载全文 |
|
