GPI’s West Monroe mill benefits from digester optimization
Valmet and Graphic Packaging International (GPI) collaborated on continuous digester optimization projects that included three digesters in West Monroe, Louisiana. Graphic Packaging is one of the world’s largest manufacturers of folding cartons, unbleached paperboard, coated recycled board, microwave packaging, and machinery. The West Monroe facility manufactures combined folding cartons for use in beverage and other product packaging.
|Location||West Monroe, Louisiana|
|Customer challenge||The goal of the optimization project was to tackle the mill’s high degree of Kappa variability and a lower than optimum average Kappa from the mill’s three kraft pulp digesters.|
Valmet Cooking Liquor Analyzer (Valmet Alkali C) online alkali titrator for white liquor and black liquor residual alkali
Continuous application performance management
|Keywords||Kraft pulp, Digester optimization, Automation, North America|
This reference is based on a technical presentation prepared by Graphic Packaging International and Valmet to the TAPPI Peers Conference in St. Louis, MO, on October 28, 2019.