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