Pengaruh Dan Efektivitas Cleaning Super Concentrator Pada Evaporator #5

ABSTRACT Evaporator #5 is a unit used to thicken black liquor from 15% to 80% solid content before it is incinerated in recovery boiler. Black liquor is rich in sodium salts content, therefore in thickening process these salts exceed its solubility limit then precipitated in form of scale that decrease the evaporator’s performance. Scales in evaporator #5 can be removed using weak black liqu…