Process for the recovery of fluorinated sulphonic acid including {HEAD ~ the step} of subjecting {TAIL ~ the spent acid} to heat treatment with stepwise or continuously increasing temperature, withdrawing at least two fractions during the heat treatment; and recovering the fluorinated sulphonic acid from each fraction 
of subjecting
Process for the recovery of fluorinated sulphonic acid including { HEAD ~ the step } of subjecting { TAIL ~ the spent acid } to heat treatment with stepwise or continuously increasing temperature , withdrawing at least two fractions during the heat treatment ; and recovering the fluorinated sulphonic acid from each fraction
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH