Technical Bulletin No. 0725: Particulate Matter Emissions from Kraft Mill Recovery Furnaces, Lime Kilns, and Smelt Dissolving Tanks

Between 65% and 75% of particulate matter emissions from haft mill process combustion sources come fiom the recovery furnace. About 80% of those emissions consist of sodium sulfate. A large percentage of process combustion source particulate matter emissions are less than 2.