Preferably the apparatus of the invention is for removing {HEAD ~ impurities} which have {TAIL ~ a relative volatility} between that of EO and water 
have
Preferably the apparatus of the invention is for removing { HEAD ~ impurities } which have { TAIL ~ a relative volatility } between that of EO and water
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH