Process for the recovery of {HEAD ~ fluorinated sulphonic acid} including 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 
Process for the recovery of { HEAD ~ fluorinated sulphonic acid } including 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH 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