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Effect of CaCO3 on the Gaseous Reduction of Tin Oxide Under CO-CO2 Atmosphere

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  • Release time:2016-07-02

  • Affiliation of Author(s):Central South University

  • Journal:Miner. Process. Extr. Metall. Rev.

  • Key Words:Cassiterite; Ca2SnO4;gaseous reduction;tinbearing iron ore concentrates

  • Abstract:Calcite (CaCO3), one of the main impurities, has an uncertain effect on the volatilization behavior of tin oxide in the tin-bearing iron ore concentrates during the selective reduction volatilization process. In this study, natural calcite powders were added into the tin-bearing iron ore concentrates to investigate tin volatilization behavior affected by CaCO3 under different roasting temperature, CO content, and roasting time. In addition, the effect of CaCO3 on the phase transformation of SnO2 was determined using XRD, SEM-EDS combined with thermodynamics calculation.

  • Co-author:Tao Jiang, Guanghui Li, Jun Chen, Bingbing Liu, Yuanbo Zhang*, Zijian Su

  • Indexed by:Unit Twenty Basic Research

  • Discipline:冶金工程学

  • Document Type:J

  • Volume:37

  • Issue:3

  • Page Number:179-186

  • ISSN No.:0882-7508 (Print) 1547-7401 (Online)

  • Translation or Not:no

  • Date of Publication:2016-03-26

  • Links to published journals:http://dx.doi.org/10.1080/08827508.2016.1168414

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  • Effect of CaCO3 on the Gaseous Reduction of Tin Oxide Under CO CO2 Atmosphere.pdf   

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