- Complete pulp mills
- Chemical pulping
- Wood handling
- Cooking and fiber line
- Pulp drying
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Chemical recovery
- Evaporators
- Recovery boilers
- White liquor plant
- Process support and optimization
- Rebuilds and upgrades
- Heat and power production
- Services for chemical recovery
- Air emission control
- New value-adding processes
- Dissolving pulping
- Mechanical pulping
- Recycled fiber
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Automation for pulp
- Distributed control systems
- Industrial applications
-
APC Advanced Process Controls
- Valmet WinGEMS
- Valmet Debarking Optimizer
- Valmet Batch Cooking Optimizer
- Valmet Continuous Cooking Optimizer
- Valmet Washing Line Optimizer
- Valmet Oxygen Stage Optimizer
- Valmet Bleaching Optimizer
- Valmet Evaporation Optimizer
- Valmet Recovery Boiler Optimizer
- Valmet Recovery Boiler Leak Detector
- Valmet Recovery Boiler Sootblowing Optimizer
- Valmet Causticizing Optimizer
- Valmet Lime Kiln Optimizer
- Valmet Recovery Line Management
- Mill information management
- Quality control systems
- Analyzers and measurements
- Boiler Diagnostics Systems
- Services for pulp
- Fiber Technology Center
- Pulp references
- Pulp news and stories
- Pulp
- Automation for pulp
- APC Advanced Process Controls
- Valmet Bleaching Optimizer
Valmet Bleaching Optimizer - Advanced method for high quality pulp

Features
Base calculations and controls to stabilize the process:
- Chemical dosage controls (if not in base automation)
- Washing water flow controls
- Production rate control
- Retention time calculations
Model based quality control (all bleaching stages):
- Kappa and/or brightness control
- pH controls
- Temperature controls
Management of changes:
- Production rate, pulp grade, and wood species
Management of disturbances:
- Process event tracking
- Retention time estimator
- D2C (Smart continuous measurement)
Benefits
- Final pulp brightness at the desired level with reduced variability
- Minimized loss in pulp strength
- Bleaching chemical savings
- Increased production
- Smooth process operation
- Fewer production disturbances
- Elimination of human errors
- Lower effluent load (COD, AOX)
- Help in operator work
Customer success stories
Fast results at Nippon Paper Akita's bleaching process
Valmet Kappa Q analyzer and Bleaching Optimizer solutions reduce quality variability and bleaching chemical consumption at Nippon Paper Akita mill.
Burgo Ardennes stabilizes bleaching process
Optimization smooths out bleach plant operation and demonstrates an 8.7% saving in bleaching chemicals with improved brightness stability in the Burgo Ardennes mill in Belgium.
Related products

Brightness Measurement
Valmet Brightness Measurement (Valmet Cormec5 X) is primarily an in-line pulp brightness measurement but its features has been enhanced with a capability to measure fluorescence, the impact of optical brightening agents on pulp as well.
Related links
- Valmet WinGEMS
- Valmet Debarking Optimizer
- Valmet Batch Cooking Optimizer
- Valmet Continuous Cooking Optimizer
- Valmet Washing Line Optimizer
- Valmet Oxygen Stage Optimizer
- Valmet Bleaching Optimizer
- Valmet Evaporation Optimizer
- Valmet Recovery Boiler Optimizer
- Valmet Recovery Boiler Leak Detector
- Valmet Recovery Boiler Sootblowing Optimizer
- Valmet Causticizing Optimizer
- Valmet Lime Kiln Optimizer
- Valmet Recovery Line Management