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Paper Quality Real Time Optimizer

The Paper Quality RTO manipulates the pulp quality setpoints in the TMP Predictive Quality Controller to maintain pulp quality.

Features

The RTO uses the Paper Quality Software Sensors to make its decisions on how and when to move quality targets. FactNet™ is used to analyze how moving the pulp quality influences the paper quality signals. It accounts for the process interactions between the TMP unit operations and as a result the RTO is designed based on the true degrees of freedom of the TMP mill. For example, it is not always possible to move main line and rejects freeness and fiber length independently. The RTO recognizes this and makes its decisions based on targets the TMP mill can actually achieve.

Benefits

  • Implementation of the Paper Quality Real Time Optimizer (RTO) has achieved a 20% reduction in paper quality variability.