Manganese extraction from high-iron-content manganese oxide ores by selective reduction roasting-acid leaching process using black charcoal as reductant
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Release time:2016-07-05 Affiliation of Author(s):Central South University Journal:Journal of Central South University Key Words:manganese ore reduction roasting acid leaching black charcoal Abstract:Reduction roasting-acid leaching process was utilized to process high-iron-content manganese oxide ore using black charcoal as reductant. The results indicate that, compared with the traditional reductant of anthracite, higher manganese extraction efficiency is achieved at lower roasting temperature and shorter residence time. The effects of roasting parameters on the leaching efficiency of Mn and Fe were studied, and the optimal parameters are determined as follows: roasting temperature is 650 °C, residence time is 40 min, and black charcoal dosage is 10% (mass fraction). Under these conditio Co-author:Jiang Tao, Guanghui Li, Daoxian Duan, Zhixiong You, Yi Zhao, Yuanbo Zhang Indexed by:Applied Research Discipline:冶金工程学 Document Type:J Volume:22 Page Number:2515-2520 Translation or Not:no Date of Publication:2015-07-14 Links to published journals:http://download.springer.com/static/pdf/46/art%253A10.1007%252Fs11771-015-2780-7.pdf?originUrl=http%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs11771-015-2780-7&token2=exp=1467705203~acl=%2Fstati -
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Manganese extraction from high-iron-content manganese oxide ores by selective reduction roasting-acid leaching process using black charcoal as reductant.pdf
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