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