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Influence of the Nano-Iron Oxide Adsorption-Enhanced Microstructured Charcoal Additives on the ANFO’s Properties

Author

Listed:
  • Andrzej Biessikirski

    (Faculty of Civil Engineering and Resource Management, AGH University Krakow, 30-059 Krakow, Poland)

  • Suzana Gotovac Atlagić

    (Faculty of Natural Sciences and Mathematics, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina)

  • Mateusz Pytlik

    (Conformity Assessment Body, Central Mining Institute—National Research Institute, 40-166 Katowice, Poland)

  • Łukasz Kuterasiński

    (Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 30-239 Kraków, Poland)

  • Michał Dworzak

    (Faculty of Civil Engineering and Resource Management, AGH University Krakow, 30-059 Krakow, Poland)

  • Michał Twardosz

    (Faculty of Civil Engineering and Resource Management, AGH University Krakow, 30-059 Krakow, Poland)

  • Marek Cała

    (Faculty of Civil Engineering and Resource Management, AGH University Krakow, 30-059 Krakow, Poland)

  • Joanna Jakóbczyk

    (Faculty of Civil Engineering and Resource Management, AGH University Krakow, 30-059 Krakow, Poland)

  • Sunčica Sukur

    (Faculty of Natural Sciences and Mathematics, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina)

  • Agnieszka Stopkowicz

    (Faculty of Civil Engineering and Resource Management, AGH University Krakow, 30-059 Krakow, Poland)

  • Andrzej Baziak

    (Faculty of Physics and Applied Computer Sciences, AGH University Krakow, 30-059 Krakow, Poland)

  • Bogna Daria Napruszewska

    (Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 30-239 Kraków, Poland)

Abstract

The article presents the results of the third research stage on the potential microstructured charcoal additives in ANFO. The charcoal powder was liquid adsorption-treated with Fe in various ratios. Adding MC-Fe to ANFO changed the exothermic peak’s position from ca. 280 °C to 250 °C due to lower activation energy, which influenced the kinetics of the reaction. Bruceton’s test indicated that the MC-Fe addition to ANFO resulted in ca. 10% lower initiation energy in comparison with pure ANFO. However, the energy level did not influence the potential applicability of the additives. The fumes analysis indicated a lower concentration of CO for all tested samples; however, the concentration of NO x rose. The thermodynamic calculations confirmed the experimental results, which could be explained by the increased positive oxygen balance. Moreover, all analyses showed that the most promising blasting properties referred to the ANFO sample containing the microstructured charcoal additive of a C:Fe ratio of 4:1. Therefore, further research will be dedicated to advanced studies between the chemical composition of this specific ANFO sample and its physicochemical and blasting properties.

Suggested Citation

  • Andrzej Biessikirski & Suzana Gotovac Atlagić & Mateusz Pytlik & Łukasz Kuterasiński & Michał Dworzak & Michał Twardosz & Marek Cała & Joanna Jakóbczyk & Sunčica Sukur & Agnieszka Stopkowicz & Andrzej, 2024. "Influence of the Nano-Iron Oxide Adsorption-Enhanced Microstructured Charcoal Additives on the ANFO’s Properties," Energies, MDPI, vol. 17(2), pages 1-11, January.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:2:p:461-:d:1321102
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