ABSTRACT One of the uses of white liquor in the Chemical Plant department is to assist in the scrubbing process of the tail gas scrubber at the ERCO Plant. The scrubbing process that is carried out is to remove the remaining excess ClO2 gas. So far, the remaining ClO2 gas from the ERCO Plant that cannot be absorbed by the chilled water in the absorber will be scrubbed by a vent scrubber wi…