- 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
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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 Washing Line Optimizer
Valmet Washing Line Optimizer

The Valmet Washing Line Optimizer application adapts washing liquor flows to the production rate and the capacities of the washers to result in desired washing efficiency. Optimized washing efficiency maximizes the cooking chemical removal from fibers during the washing process. Due to low washing losses unnecessary use of bleaching chemicals is avoided. The used fuzzy logic controls and soft sensors enhance the disturbance tolerance of the process.
A new way for economic pulp production
Features
Optimizing controls of individual washers
- Valmet Washer Optimizer for DD washer
Washing line optimization
- Washing factor optimization
- Tank farm level controls
- Automatic grade change
- Consistency profiling controls
Dynamics adaptation
- Washing efficiency control
- Evaporation load
Benefits
- Reduced loss in washing
- More dry solids to evaporation
- Less deviation in washing loss and dry solids
- Higher washing outlet consistency
- Facilitated washing line operation
- Elimination of human errors
- Improved disturbance toleration
- Increased production
Customer success stories
Dry solids to evaporation up 7.5% by optimizing the washing line
An integrated pulp and paper mill in the USA decided to optimize their brown stock washing line producing 1000 tons per day with good results.
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