Valmet Bleaching Optimizer - Advanced method for high quality pulp

Valmet Bleaching Optimizer

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

Fast results at Nippon Paper Akita's bleaching process

Valmet implemented a new Kappa Q analyzer and Bleaching Optimizer solution to Nippon Paper Akita mill to reduce quality variability and to reduce bleaching chemical consumption.

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.

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