| 焙烧歧化-铁屑还原浸出低品位锰矿工艺研究 |
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| 引用本文： | 舒琳,刘海燕,邹琴.焙烧歧化-铁屑还原浸出低品位锰矿工艺研究[J].矿冶工程,2016,36(4):72-75. |
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| 作者姓名： | 舒琳 刘海燕 邹琴 |
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| 作者单位： | 广西大学 环境学院, 广西 南宁 530004 |
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| 基金项目： | 广西高校环境保护重点实验室资助项目(桂教科研(2015)5号) |
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| 摘 要： | 采用焙烧歧化-铁屑还原法对低品位锰矿进行还原浸出, 探究了一种焙烧过程不添加还原剂、反应全过程无有害气体产生的高效浸出锰的方法, 考察了焙烧温度、酸矿比、铁矿比、液固比、反应温度、反应时间对锰浸出率的影响。结果表明, 在焙烧温度700 ℃、酸矿比1.05∶1、铁矿比0.14∶1、液固比6∶1、浸出温度50 ℃下浸出2 h, 锰浸出率达到92.63%。
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| 关 键 词： | 锰矿 焙烧 浸出 铁屑还原 |
| 收稿时间： | 2016-01-19 |
Roasting Disproportionation and Scrap Iron Reduction for Leaching Low-grade Manganese Ore |
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| SHU Lin,LIU Hai-yan,ZOU Qin.Roasting Disproportionation and Scrap Iron Reduction for Leaching Low-grade Manganese Ore[J].Mining and Metallurgical Engineering,2016,36(4):72-75. |
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| Authors: | SHU Lin LIU Hai-yan ZOU Qin |
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| Affiliation: | School of Environment, Guangxi University, Nanning 530004, Guangxi, China |
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| Abstract: | The process of roasting disproportionation and reduction by scrap iron was employed in the study on the manganese extraction from low-grade manganese ore, for exploring an effective manganese leaching method without adding any reducing agent for roasting and without any harmful gases generated throughout the whole process. Effects of roasting temperature, mass ratio of sulfuric acid-to-ore(A/O), iron-to-ore ratio(I/O), liquid-to-solid ratio(L/S), leaching temperature and leaching time on manganese leaching were studied. Results showed that process condition including roasting temperature at 700 ℃, A/O ratio of 1.05∶1, I/O ratio of 0.14∶1, L/S ratio of 6∶1, leaching temperature at 50 ℃, and leaching time of 2 h, led to the manganese leaching rate up to 92.63%. |
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| Keywords: | manganese ore roasting leaching scrap iron reduction |
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