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Toxic Study on the New Eco-Friendly Insulating Gas Trifluoromethanesulfonyl Fluoride: A Substitute for SF 6

Author

Listed:
  • Lei Zhang

    (School of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China)

  • Ruichao Peng

    (Engineering Research Center of Organosilicon, Compounds & Materials, Ministry of Education College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China)

  • Yanjun Huang

    (School of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China)

  • Guangsen Song

    (School of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China)

  • Yi Wang

    (School of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China)

Abstract

It has been proven that the gas trifluoromethanesulfonyl fluoride (CF 3 SO 2 F) has good dielectric performance and the potential to replace the potent greenhouse gas sulfur hexafluoride (SF 6 ), which is the most commonly used insulating gas in high-voltage electrical equipment. However, there are many key biochemical properties, such as toxicity, that the new eco-friendly insulating gas will need to obtain. It could protect the operator and equipment and help the chemical engineering development of this gas in the power grid industry. In this study, according to Horn’s method, an acute toxic gas inhalation test was carried out. The results showed that the lethal concentration of 50% (LC50) for female rats was 27.1 g/m 3 , and that for male rats was 23.3 g/m 3 . The behavioral and vital sign changes in the rats were recorded. Pathological sections of the main organs revealed that the heart, lungs, spleen, and eyes suffered the most damage from the gas. This research also provides scientific suggestions for the protection of electrical workers exposed to the insulating gas CF 3 SO 2 F.

Suggested Citation

  • Lei Zhang & Ruichao Peng & Yanjun Huang & Guangsen Song & Yi Wang, 2022. "Toxic Study on the New Eco-Friendly Insulating Gas Trifluoromethanesulfonyl Fluoride: A Substitute for SF 6," Sustainability, MDPI, vol. 14(9), pages 1-11, April.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:9:p:5239-:d:802694
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