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Research Article

Efficient Metallization of Magnetite Concentrate by Reduction with Agave Bagasse as Source of Reducing Agents

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  • Received: 21 December 2019Revised: 17 April 2020Accepted: 21 April 2020Available online: 24 April 2020
  • The reduction behavior and metallization degree of magnetite concentrate with agave bagasse were investigated in an inert atmosphere. The influence of temperature, biomass content and residence time on reduction experiments and metallization degree were investigated by X-ray diffraction and scanning electron microscopy. The results show advantages compared to other kinds of biomass, such as lower content of nitrogen, sulphur, and ash. X-ray diffraction analysis showed that an increase of temperature and biomass content result in higher metallization degree. At 1100°C for 30 minutes with 65:35 and 50:50 magnetite concentrate:agave bagasse ratios, complete metallization was achieved. These results demonstrate that agave bagasse promotes the efficient metallization of magnetite concentrate without external addition of reducing agent. Therefore, the use of this biomass is a technical suitable alternative to replace the fossil fuels in steelmaking process.
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Efficient Metallization of Magnetite Concentrate by Reduction with Agave Bagasse as Source of Reducing Agents

  • Corresponding author:

    Noemí Ortiz Lara    E-mail: lartiz2005@hotmail.com

  • 1. CONACYT- Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Francisco J. Múgica S/N. Edif. “U” Ciudad Universitaria. Morelia, Michoacán, 58030, México
  • 2. Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Francisco J. Múgica S/N. Edif. “U” Ciudad Universitaria. Morelia, Michoacán, 58030, México

Abstract: The reduction behavior and metallization degree of magnetite concentrate with agave bagasse were investigated in an inert atmosphere. The influence of temperature, biomass content and residence time on reduction experiments and metallization degree were investigated by X-ray diffraction and scanning electron microscopy. The results show advantages compared to other kinds of biomass, such as lower content of nitrogen, sulphur, and ash. X-ray diffraction analysis showed that an increase of temperature and biomass content result in higher metallization degree. At 1100°C for 30 minutes with 65:35 and 50:50 magnetite concentrate:agave bagasse ratios, complete metallization was achieved. These results demonstrate that agave bagasse promotes the efficient metallization of magnetite concentrate without external addition of reducing agent. Therefore, the use of this biomass is a technical suitable alternative to replace the fossil fuels in steelmaking process.

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