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Environmentally persistent and bioaccumulative perfluorooctanic acid (PFOA) was difficult to be decomposed under the irradiation of 254nm UV light. However, in the presence of 80μmol/L Fe(III), 80% of PFOA with initial concentration of 48μmol/L (20mg/L) was effectively degraded and 47.8% of fluorine atoms in PFOA molecule were transformed into inorganic fluoride ion after 4h reaction. Shorter chain...
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