Qing-quan Lin, Guo-hua Gu, Hui Wang, Ren-feng Zhu, You-cai Liu, and Jian-gang Fu, Preparation of manganese sulfate from low-grade manganese carbonate ores by sulfuric acid leaching, Int. J. Miner. Metall. Mater., 23(2016), No. 5, pp.491-500. https://dx.doi.org/10.1007/s12613-016-1260-x
Cite this article as: Qing-quan Lin, Guo-hua Gu, Hui Wang, Ren-feng Zhu, You-cai Liu, and Jian-gang Fu, Preparation of manganese sulfate from low-grade manganese carbonate ores by sulfuric acid leaching, Int. J. Miner. Metall. Mater., 23(2016), No. 5, pp.491-500. https://dx.doi.org/10.1007/s12613-016-1260-x

Preparation of manganese sulfate from low-grade manganese carbonate ores by sulfuric acid leaching

Author Affilications
Funds: 

We would like to express our sincere appreciation to the anonymous reviewers for their insightful comments, which helped us improve the quality of this paper. This study was supported by the National Natural Science Foundation of China (51374249).

  • In this study, a method for preparing pure manganese sulfate from low-grade ores with a granule mean size of 0.47 mm by direct acid leaching was developed. The effects of the types of leaching agents, sulfuric acid concentration, reaction temperature, and agitation rate on the leaching efficiency of manganese were investigated. We observed that sulfuric acid used as a leaching agent provides a similar leaching efficiency of manganese and superior selectivity against calcium compared to hydrochloric acid. The optimal leaching conditions in sulfuric acid media were determined; under the optimal conditions, the leaching efficiencies of Mn and Ca were 92.42% and 9.61%, respectively. Moreover, the kinetics of manganese leaching indicated that the leaching follows the diffusion-controlled model with an apparent activation energy of 12.28 kJ·mol-1. The purification conditions of the leaching solution were also discussed. The results show that manganese dioxide is a suitable oxidant of ferrous ions and sodium dimethyldithiocarbamate is an effective precipitant of heavy metals. Finally, through chemical analysis and X-ray diffraction analysis, the obtained product was determined to contain 98% of MnSO4·H2O.
  • Related Articles

    [1]M. H. Farshidi, M. Rifai, H. Miyamoto. Microstructure evolution of a recycled Al-Fe-Si-Cu alloy processed by tube channel pressing [J]. International Journal of Minerals, Metallurgy and Materials, 2018, 25(10): 1166-1172. DOI: 10.1007/s12613-018-1668-6
    [2]Zhi Li, Shi-jie Zhou, Nan Huang. Effects of ECAE processing temperature on the microstructure, mechanical properties, and corrosion behavior of pure Mg [J]. International Journal of Minerals, Metallurgy and Materials, 2015, 22(6): 639-647. DOI: 10.1007/s12613-015-1117-8
    [3]J. Nemati, G. H. Majzoobi, S. Sulaiman, B. T. H. T. Baharudin, M. A. Azmah Hanim. Effect of equal channel angular extrusion on Al-6063 bending fatigue characteristics [J]. International Journal of Minerals, Metallurgy and Materials, 2015, 22(4): 395-404. DOI: 10.1007/s12613-015-1085-z
    [4]M. Namdar, S. A. Jenabali Jahromi. Influence of ECAP on the fatigue behavior of age-hardenable 2xxx aluminum alloy [J]. International Journal of Minerals, Metallurgy and Materials, 2015, 22(3): 285-291. DOI: 10.1007/s12613-015-1072-4
    [5]Yi-heng Cao, Pin-feng Jia, Kang Wang, Li-zi He, Ping Wang, Jian-zhong Cui. Microstructural evolution of ECAPed 1050 alloy under magnetic annealing [J]. International Journal of Minerals, Metallurgy and Materials, 2014, 21(12): 1205-1214. DOI: 10.1007/s12613-014-1028-0
    [6]J. Nemati, G. H. Majzoobi, S. Sulaiman, B. T. H. T. Baharudin, M. A. Azmah Hanim. Improvements in the microstructure and fatigue behavior of pure copper using equal channel angular extrusion [J]. International Journal of Minerals, Metallurgy and Materials, 2014, 21(6): 569-576. DOI: 10.1007/s12613-014-0943-4
    [7]Thabet Makhlouf, Atef Rebhi, Jean-Philippe Couzinié, Yannick Champion, Nabil Njah. Microstructural evolution of a recycled aluminum alloy deformed by equal channel angular pressing process [J]. International Journal of Minerals, Metallurgy and Materials, 2012, 19(11): 1016-1022. DOI: 10.1007/s12613-012-0663-6
    [8]Ying Liu, Wei Li, Yuan-yuan Li. Microstructure and mechanical properties of ZE10 magnesium alloy prepared by equal channel angular pressing [J]. International Journal of Minerals, Metallurgy and Materials, 2009, 16(5): 559-563. DOI: 10.1016/S1674-4799(09)60096-0
    [9]Youhong Zhang, Guozhi Lv, Hui Wang, Bomei Si, Yueliang Cheng. Corrosion damage evolution and residual strength of corroded aluminum alloys [J]. International Journal of Minerals, Metallurgy and Materials, 2008, 15(4): 430-433. DOI: 10.1016/S1005-8850(08)60081-X
    [10]Zhenhua Li, Xianhua Cheng. Deformation temperature and postdeformation annealing effects on severely deformed TiNi alloy by equal channel angular extrusion [J]. International Journal of Minerals, Metallurgy and Materials, 2007, 14(6): 533-537. DOI: 10.1016/S1005-8850(07)60123-6

Catalog

    Share Article

    Article Metrics

    Article views (765) PDF downloads (82) Cited by()

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return