In {HEAD ~ a further embodiment, solvent} entrained in off gases from low and medium pressure flash zones is recovered in {TAIL ~ a high pressure flash zone} by washing the off gases with recovered lean solvent 
is recovered in
In { HEAD ~ a further embodiment , solvent } entrained in off gases from low and medium pressure flash zones is recovered in { TAIL ~ a high pressure flash zone } by washing the off gases with recovered lean solvent
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH