Valmet Bleaching Optimizer - Advanced method for high quality pulp

Valmet Bleaching Optimizer


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)


  • 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

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

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

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.