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4. Synthesis and Thermal Behavior of a Struvite-Based Fine Powder Fire-Extinguishing Agent.

Author

P'yankova, A. V., Kondrashova, N. B., Val'tsifer, I. V., Shamsutdinov, A. Sh., and Bormashenko, E. Yu.

Subjects
*HEAT radiation & absorption, *CRYSTAL structure, *SURFACE active agents, *SIZE reduction of materials, *POWDERS
Abstract

We assess the feasibility of using struvite as a component of a fire-extinguishing powder agent. A fine-particle crystalline MgNH4PO4⋅6H2O hydrate (struvite) has been synthesized in the presence of different surfactants. We have optimized conditions for the preparation of a fine-particle crystalline hydrate so as to exclude a comminution step, without distorting its crystal structure. The thermal decomposition of the crystalline hydrates synthesized in the presence of the surfactants has been shown to be accompanied by a considerable heat absorption, which can be used to lower the temperature of a fire source. [ABSTRACT FROM AUTHOR]

Published
2021
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