Formation of Products of Incomplete Destruction (PID) from the Thermal Oxidative Decomposition of Perfluorooctanoic Acid (PFOA): Measurement, Modeling, and Reaction Pathways
Nathan H. Weber,
Hayden Redfern,
Charles C. Grimison
et al.
Abstract:The thermal decomposition of perfluorooctanoic acid (PFOA) under oxidative conditions was investigated using air (O 2 ) and N 2 O as oxidants over temperatures ranging from 400 to 1000 °C in an α-alumina reactor. In the presence of air, PFOA was found to decompose into perfluorohept-1-ene (C 7 F 14 ) and perfluoroheptanoyl fluoride (C 7 F 14 O) in addition to HF, CO, and CO 2 . At temperatures above 800 °C, both C 7 F 14 and C 7 F 14 O were no longer detected. A comprehensive analysis of the reaction mechanism… Show more
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