METHOD OF PRODUCING PROCESS STEAM FROM A BLACK LIQUOR

摘要

Method of producing a process steam (16) from a first black liquor (8) derived in connection with the production of paper pulp, wherein said first black liquor (8) is treated to give a second black liquor (10) of a higher concentration than said first black liquor as well as a liquid (13) of low concentration, whereafter said process steam (16) is produced from said low concentration liquid (13).