Fei Yin, Zhiyuan Ren, Javid Hussain, Zhenrong Tian, Tianqi Jia, Wenbin Liu

Analysis on the Substitution of Perfluoro-Octane Sulphonates in Foam-Based Extinguishing Agents in China

  • Management, Monitoring, Policy and Law
  • Renewable Energy, Sustainability and the Environment
  • Geography, Planning and Development
  • Building and Construction
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In this comprehensive study, we examined an extensive array of 1396 production certifications, which encompassed 136 foam-based extinguishing agent manufacturers in China. Our investigation focused on the production, application, and composition of various foam-based extinguishing agents utilized in recent years. Notably, a significant proportion of the domestic market, i.e., 64.1% of the total, consisted of fluorocarbon surfactants devoid of perfluorooctane sulfonates (PFOS). These manufacturers predominantly operated in the economically thriving eastern coastal region of China. Our research delved into the correlation between diverse parameters of foam-based extinguishing agents and their performance indices. It was observed that foam-based extinguishing agents with resistance to seawater exhibited superior performance to conventional agents in cold environments. Additionally, we synthesized the findings of PFOS-free products, which serve as promising alternatives to foam-based extinguishing agents in China. This study furnishes statistical evidence and establishes a theoretical foundation to facilitate future control measures for PFOS foam-based extinguishing agents, while promoting nationwide research and development of alternative solutions.

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