Efficient metallization of magnetite concentrate by reduction with agave bagasse as a source of reducing agents

Diana Cholico-González; Noemí Ortiz Lara; Mario Alberto Sánchez Miranda; Ricardo Morales Estrella; Ramiro Escudero García; Carlos A. León Patiño

doi:10.1007/s12613-020-2079-z

Volume 28 Issue 4

Apr. 2021

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Article Navigation > International Journal of Minerals, Metallurgy and Materials > 2021 > 28(4): 603-611

Diana Cholico-González, Noemí Ortiz Lara, Mario Alberto Sánchez Miranda, Ricardo Morales Estrella, Ramiro Escudero García, and Carlos A. León Patiño, Efficient metallization of magnetite concentrate by reduction with agave bagasse as a source of reducing agents, Int. J. Miner. Metall. Mater., 28(2021), No. 4, pp. 603-611. https://doi.org/10.1007/s12613-020-2079-z

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Diana Cholico-González, Noemí Ortiz Lara, Mario Alberto Sánchez Miranda, Ricardo Morales Estrella, Ramiro Escudero García, and Carlos A. León Patiño, Efficient metallization of magnetite concentrate by reduction with agave bagasse as a source of reducing agents, Int. J. Miner. Metall. Mater., 28(2021), No. 4, pp. 603-611. https://doi.org/10.1007/s12613-020-2079-z

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Research Article

Efficient metallization of magnetite concentrate by reduction with agave bagasse as a source of reducing agents

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Corresponding author:
Noemí Ortiz Lara E-mail: lartiz2005@hotmail.com
Received: 21 December 2019; Revised: 17 April 2020; Accepted: 21 April 2020; Available online: 24 April 2020

Abstract

Abstract

The reduction behavior and metallization degree of magnetite concentrate with agave bagasse were investigated in an inert atmosphere. The effects of temperature, biomass content, and residence time on reduction experiments and metallization degree were investigated by X-ray diffraction and scanning electron microscopy. Compared with other types of biomass, agave bagasse had lower contents of nitrogen, sulfur, and ash. X-ray diffraction analysis showed that the metallization degree improved with increasing temperature and biomass content. Complete metallization was achieved at 1100°C for 30 min with 65:35 and 50:50 ratios of the magnetite concentrate to the agave bagasse. These results demonstrate that agave bagasse promotes the efficient metallization of magnetite concentrate without the external addition of a reducing agent. Therefore, this biomass is a technical suitable alternative to replace fossil fuels in steelmaking.
- magnetite concentrate;
- agave bagasse;
- biomass;
- reduction;
- metallization degree

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