Application of UV/persulfate oxidation process for mineralization of 2,2,3,3-tetrafluoro-1-propanol

Yu Jen Shih, Yen Ching Li, Yao Hui Huang

研究成果: Article同行評審

26 引文 斯高帕斯(Scopus)

摘要

The photo-activated persulfate oxidation technology for efficient mineralization of 2,2,3,3-tetrafluoro-1-propanol (TFP) was investigated. The chemical bonds of TFP molecule could be efficiently broken by the sulfate radicals (SO4-) with high redox potential (E0=2.6V) produced from persulfate (S2O82-) photolysis. The initial pH value insignificantly influenced the treatment's efficiency, while the UV intensity and oxidant dosage which affected the generation of sulfate radicals could greatly enhance the TOC removal. Under UV irradiation (254nm, 13W×3 lamps) and with an initial persulfate/TFP molar ratio about 4, above 99.5% TOC was reduced in 60min. All sulfur species in the reaction solution were eventually transformed to sulfate ions. According to the fluoride ion releasing in advance of TOC removal, UV/persulfate was supposed to initially decompose TFP into intermediates with lower fluorinated forms, which were then mineralized in following reactions.

原文English
頁(從 - 到)287-290
頁數4
期刊Journal of the Taiwan Institute of Chemical Engineers
44
發行號2
DOIs
出版狀態Published - 2013 一月 1

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 化學工程 (全部)

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