Black liquor circulations are infamous for high maintenance requirements related to flow control, and mills often need to replace flow elements. Little has been known about the significant deviations that occur in between. More pulp mills are now realizing the inaccuracy of flow information which they base their digester liquor-to-wood ratios and the entire liquor cycle. This impacts on hydraulic load to evaporation and recovery. Learn why mills are changing to Endress+Hauser’s 3G Acoustics.