Efficient Decomposition of Environmentally Persistent Perfluorocarboxylic Acids by Use of Persulfate as a Photochemical Oxidant

Hori, Hisao; Yamamoto, Ari; Hayakawa, Etsuko; Taniyasu, Sachi; Yamashita, Nobuyoshi; Kutsuna, Shuzo; Kiatagawa, Hiroshi; Arakawa, Ryuichi

doi:10.1021/es0484754

Public

Efficient Decomposition of Environmentally Persistent Perfluorocarboxylic Acids by Use of Persulfate as a Photochemical Oxidant

Published in Environmental Science & Technology • Feb 18, 2005

Authors:

Hisao Hori

Ari Yamamoto

Etsuko Hayakawa

Abstract

Photochemical decomposition of persistent perfluorocarboxylic acids (PFCAs) in water by use of persulfate ion (S2O8(2-)) was examined to develop a technique to neutralize stationary sources of PFCAs. Photolysis of S2O8(2-) produced highly oxidative sulfate radical anions (SO4-), which efficiently de...

Subject

Persulfate

Chemistry

Perfluorooctanoic acid

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