Catalytic effects of magnesium-transition metal (Fe and Ni) hydrides on oxygen and nitrogen reduction: A case study of explosive characteristics and their environmental contaminants

Tsai, Yun‐Ting; Yang, Yi; Pan, Yong; Shu, Chi‐Min

doi:10.1016/j.energy.2023.128222

Cited by 11 publications

(1 citation statement)

References 29 publications

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“…In order to accomplish these goals, our research conducts a thorough analysis of various fire-suppressing powders, specifically emphasizing formulations that include EG and KHCO 3 . We will evaluate the thermal properties and qualities of these powders using a sophisticated X-ray diffraction (XRD) analytical method [9]. This approach will facilitate a comprehensive analysis of the crystalline structures of the powders and their ability to withstand variations in temperature.…”

Section: Introductionmentioning

confidence: 99%

A Comparative Approach Study on the Thermal and Calorimetric Analysis of Fire-Extinguishing Powders

Huang,

Cao,

2024

Safety

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This study offers a comprehensive evaluation of the effectiveness of expansible graphite (EG) and potassium bicarbonate (KHCO3) in suppressing metal fires, which are known for their high intensity and resistance. Our assessment, utilizing thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy (SEM), revealed that compositions of EG–KHCO3 can endure temperatures of up to 350 °C, indicating their thermal resilience. The 3:1 EG–KHCO3 mixture demonstrated exceptional performance in fire suppression tests by extinguishing sodium flames in a mere 20 s, using approximately 50 g of the agent. This highlights a substantial improvement in efficiency. In addition, FTIR analysis identified important gaseous compounds released during decomposition, while XRD and SEM techniques confirmed the advantageous insertion of KHCO3 into the EG matrix, enhancing its resistance to heat and chemical reactions. The mixture with a ratio of 3:1 also demonstrated a higher cooling rate of 2.34 °C/s within the temperature range of 350 to 200 °C. The results emphasize the potential of EG–KHCO3 compositions, specifically in a 3:1 ratio, for efficient fire management by integrating fire suppression, heat resistance, and quick cooling. Subsequent investigations will prioritize the evaluation of these compositions across different circumstances and the assessment of their environmental and industrial viability.

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Section: Introductionmentioning

confidence: 99%