An outlet 130 is connected to a discharge line 132 for removing {HEAD ~ the gaseous constituent} of {TAIL ~ the effluent} from the vessel 102 
An outlet 130 is connected to a discharge line 132 for removing { HEAD ~ the gaseous constituent } of { TAIL ~ the effluent } from the vessel 102
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH