In the method {HEAD ~ the black liquor} is concentrated in {TAIL ~ a multi effect evaporation plant} in order to obtain black liquor at a suitable dry solids content for combustion and to generate vapor 
is concentrated in
In the method { HEAD ~ the black liquor } is concentrated in { TAIL ~ a multi effect evaporation plant } in order to obtain black liquor at a suitable dry solids content for combustion and to generate vapor
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL 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