High efficiency of the NH4H2PO4/Mg(OH)2 composite for guaranteeing safety of wood production

Li, Hangchen; Shen, Xiaohui; Guo, Xinxin; Li, Shunchao; Han, Zhang; Zhang, Chendong; Hua, Min; Pan, Xuhai

doi:10.1016/j.jlp.2020.104364

Cited by 7 publications

(3 citation statements)

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“…Mg(OH) 2 also acts as a catalyst that adsorbs free radicals and enhances the carbonization ability of chitosan, forming a fire‐retardant layer that isolates the burning material from the air. Nanoscale oxide materials like Mg(OH) 2 and SiO 2 with small particle sizes and large surface areas can adsorb toxic gases emitted from the fire and reduce the amount of smoke, thereby reducing CO concentration 7,26 …”

Section: Resultsmentioning

confidence: 99%

“…Nanoscale oxide materials like Mg(OH) 2 and SiO 2 with small particle sizes and large surface areas can adsorb toxic gases emitted from the fire and reduce the amount of smoke, thereby reducing CO concentration. 7,26…”

Section: Discussionmentioning

confidence: 99%

“…The ultra-fine dry CSP and Mg(OH) 2 nanopowder are new materials that have the potential for fire safety, particularly in terms of their capacity to adsorb harmful gases like carbon monoxide (CO). 7 CO is a deadly gas produced during the incomplete combustion of carboncontaining materials. Its rapid accumulation in enclosed spaces severely threatens human life during fire incidents.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis of magnesium hydroxide powder and dry powders for application in extinguishing petroleum fires

Le,

Thanh,

et al. 2024

Vietnam Journal of Chemistry

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Fire extinguishing agents are an important factor in the fight against fires. In this study, a new composite powder (CSPMS) was synthesized and used to extinguish fires caused by petroleum products. SiO2 nanoparticles, Mg(OH)2 nanoparticles, and nanocomposites of NH4H2PO4/chitosan (CSP) were combined to generate CSPMS powder. The structure and morphology of the material were characterized using methods such as XRD, SEM, FTIR, etc. The results showed that the synthesized Mg(OH)2 nanoparticle size ranged from 20 to 30 nm, and the NH4H2PO4 nanoparticle size ranged from 800 to 900 nm on the chitosan surface. The CSPMS material had particle sizes ranging from 2 to 3 µm, with a uniform distribution of SiO2 nanoparticles (50–100 nm) and Mg(OH)2 nanoparticles on the surface. The powdered materials were applied to extinguish gasoline and oil fires. CSPMS sample demonstrated the best fire extinguishing time and powder consumption (5.8 s and 12.2 g, respectively) and CO emission below the threshold of 400 ppm. Small‐scale fire extinguishing tests showed that CSPMS powder had better fire extinguishing capability, cooling time, and CO gas adsorption ability compared to commercial fire extinguishing powder.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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