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2025

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vol. 23 / 

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G.I. YELAGIN, O.A. DUDARKO, O.S. ALEKSIEIEVA, M.O. RUD, Yu.V. LEPEEVA, I.O. NESEN, A.G. ALIEKSIEV, O.M. NUIANZIN, D.O. KRYSHTAL, N.V. DANKO, and A.D. RUD3

Environmentally Friendly Fire-Extinguishing and Fire-Protection Agents Based on Highly Porous Media with Highly Dispersed Fire-Extinguishing Salt Particles

241–254 (2025)

PACS numbers: 61.05.cp, 61.43.Gt, 68.37.Hk, 81.05.Rm, 81.20.Ev, 82.70.Rr, 83.80.-k

New ecological means based on highly-porous media with highly-dispersed particles of fire-extinguishing salts (ammonium phosphate, diammonium phosphate, and potassium nitrate) are proposed for extinguishing fires on the surface of the reservoir and preventing their spread on peatlands. The distribution of fire-extinguishing salt particles during their immobilization on the inner surface of highly-porous media (swollen vermiculite and wood sawdust) is studied. According to the assessment of the degree of reduction of porosity during immobilization, it is found that the most suitable media for the fabrication of fire-extinguishing agents of this type are the expanded vermiculite brand FINE ZU and wood sawdust, and of fire-extinguishing salts, these are diammonium phosphate and potassium nitrate. With the use of x-ray structural analysis and scanning electron microscopy, it is shown that the vermiculite and wood samples after treatment with immobilizers contain agglomerated salt particles, which, in general, evenly cover the surface of the carrier

KEYWORDS: ecological means of extinguishing and preventing fires, highly-porous media, highly-dispersed particles, fire-extinguishing salts, inhibition, immobilization

DOI:  https://doi.org/10.15407/nnn.23.01.0241

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