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