Method for regeneration of solvent in manufacturing of perfluoropolyether

The present invention relates to a method for regenerating a solvent in a perfluoroalkyl epoxide polymerization reaction under a solvent containing a fluorine atom and, more specifically, to a method for efficiently, simply and effectively regenerating a used solvent after injecting and reacting an anionic polymerization catalyst in a solution including a fluorine atom and perfluoroalkyl peroxide.