Citation: Qian Geng, Xin Xiao, Guang-Rui He, Su-Mei Yao, Guang-Xin Liang. One stone two birds: Degradation of persistent organic pollutants to a valuable industrial chemical production of pentafluoropropionyl fluoride from HFPO oligomers catalyzed by cesium fluoride in tetraglyme[J]. Chinese Chemical Letters, ;2016, 27(7): 1009-1012. doi: 10.1016/j.cclet.2016.04.026 shu

One stone two birds: Degradation of persistent organic pollutants to a valuable industrial chemical production of pentafluoropropionyl fluoride from HFPO oligomers catalyzed by cesium fluoride in tetraglyme

Qian Geng ^a,c ,
Xin Xiao ^c ,
Guang-Rui He ^c ,
Su-Mei Yao ^c ,
Guang-Xin Liang ^a,b,,

a.
State Key Laboratory of Elemento-organic Chemistry, Nankai University, Tianjin 300071, China
b.
Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University , Tianjin 300071, China
c.
Changlu Engineering Research Center of New Chemical Materials, Tianjin 300160, China

Corresponding author: Guang-Xin Liang, lianggx@nankai.edu.cn
Received Date: 31 March 2016
Revised Date: 22 April 2016
Accepted Date: 28 April 2016
Available Online: 17 July 2016

Figures(6)

Hexafluoropropylene oxide (HFPO) oligomers are toxic, bioaccumulative, and persistent organic pollutants (POPs). Consuming the harmful chemicals to prevent them from releasing to nature is of serious significance as far as both natural environments and human health are concerned. In this study, investigation on degradation of HFPO oligomers to pentafluoropropionyl fluoride (PPF), a valuable industrial chemical, is reported. Different combinations of alkali metal fluoride in either diglyme or tetraglyme under both flask and batch autoclave conditions were examined. Under the optimal reaction conditions, HFPO oligomers (n = 2-10) were completely degraded to PPF in over 90% yield. Reactions on 200 g scale were tested and no deduction of efficiency was observed, which indicates the potential for practical industrial application of this chemistry.
- Hexafluoropropylene oxide (HFPO) oligomers,
- Persistent organic pollutants,
- Degradation,
- Cleavage of ether bond,
- Pentafluoropropionyl fluoride (PPF)
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