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投稿时间：2011-09-21 修订日期：2011-09-22 录用日期：2011-09-23 网络发布日期：2012-02-24
投稿时间：2011-09-21 修订日期：2011-09-22 录用日期：2011-09-23 网络发布日期：2012-02-24
中文摘要: 研究一步法还原浸出低品位氧化锰矿制备硫酸锰工艺。使用亚硫酸盐作为还原剂，采用黄铁矾法除铁，硫化盐法去除重金属离子，最终制备出适用于电解的硫酸锰溶液。结果表明：矿样10 g，硫酸用量6 mL，亚硫酸钠用量6 g，90 ℃浸出100 min，可以获得的96.42%锰浸出率；控制中和调浆终点pH=2.5，铁浸出率0.02%；控制除杂终点pH=4.5时，滤液达到合格电解液的标准。
Abstract:The process of leaching low-grade oxidation manganese ore in one-step to prepare manganese sulfate was investigated. In the leaching process, manganese sulfate solution used for electrolysis was prepared with sulfite as reductant, removing Fe3 with jarosite process, and removing heavy metal ion with sulphide salt. The results show that the manganese leaching rate is 96.42% in the optimum conditions including sample ore of 10 g, sulfuric acid dosage of 6 mL, sodium sulfite dosage of 6 g, and leaching for100 min at 90 ℃. The leaching rate of iron is 0.02% by controlling pH value at 2.5 in the endpoint of neutralization. The qualified manganese sulfate solution was prepared by controlling pH value at 4.5 in the endpoint of de-impurity.
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基金项目:湖南省科技重大专项资助项目（2010FJ1011）
| Author Name | Affiliation |
| ZHAO Peng-fei, MAN Rui-lin, YANG Ping, HUANG Xiong, LI Shan-shan, YANG Man-yi |
引用文本：
赵鹏飞，满瑞林，杨萍，黄雄，李珊珊，杨满意.低品位氧化锰矿酸浸制备硫酸锰[J].有色金属（冶炼部分）,2012(3):50-53.
ZHAO Peng-fei, MAN Rui-lin, YANG Ping, HUANG Xiong, LI Shan-shan, YANG Man-yi.Manganese Sulfate Preparation from Low-grade Oxidation Manganese Ore with Acidic Leaching[J].Nonferrous Metals (Extractive Metallurgy),2012(3):50-53.
赵鹏飞，满瑞林，杨萍，黄雄，李珊珊，杨满意.低品位氧化锰矿酸浸制备硫酸锰[J].有色金属（冶炼部分）,2012(3):50-53.
ZHAO Peng-fei, MAN Rui-lin, YANG Ping, HUANG Xiong, LI Shan-shan, YANG Man-yi.Manganese Sulfate Preparation from Low-grade Oxidation Manganese Ore with Acidic Leaching[J].Nonferrous Metals (Extractive Metallurgy),2012(3):50-53.
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