Process improvements in the electrochemical fluorination of octanoyl chloride

H. W. Prokop, H. J. Zhou, S. Q. Xu, C. H. Wu, S. R. Chuey, C. C. Liu

Research output: Contribution to journalArticlepeer-review

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Abstract

The electrochemical fluorination of octanoyl chloride to produce perfluorooctanoyl fluoride in anhydrous hydrogen fluoride was investigated. The study was carried out in a microprocessor-aided modified Simons reactor system using a Cu/CuF2 reference electrode. The formation of polymeric tar at the anode surface was limited by the addition of a mercaptan compound and by constant current density operation. Continuous operation was achieved through frequent additions of a solution of hydrogen fluoride and reactant. Conversion of reactant to perfluorinated products was improved to 80 % with good selectivity. Experimental results of this investigation are presented and discussed. ca]To whom correspondence should be addressed.

Original languageEnglish
Pages (from-to)257-275
Number of pages19
JournalJournal of Fluorine Chemistry
Volume43
Issue number2
DOIs
StatePublished - May 1989

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