Refining Capacity Improvement & Refining Energy Reduction with FiberCare
Refining Capacity Improvement & Refining Energy Reduction with FiberCare
12 PagesFIBERCARE® REFINING CASE STUDYRefining Capacity Improvement & Refining Energy Reduction with FiberCare® on Fine Paper Production at Mill 1 Case Study 1Trial Situation Mill targets: Increase refining efficiency • Increasing refiner throughput • Reducing refining energy Mill problem: Lower Refining CapacityTrial Situation Paper grade: 120g/m2 offset paper Machine speed: 150m/min Furnish: 30% bleached softwood kraft pulp / 25% APMP Aspen pulp / 45% wheat straw pulp Enzyme treated pulp: Bleached softwood kraft pulp Pulp and white water situation: •Pulp in Hydraulic Pulper: T = 20.3 °C, pH = 7.56 •White water: T = 18.7 °C, pH = 7.89 •Post-refiner Pulp: T = 25- 30 °C2 DDR Refiners FiberCare R Taper Refiners Pre-refining Chest, 50m3 Post-refining Chest, 50m3 Machine Chest, 50m3 P
