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OPT800 Lime

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OPT800 Lime is an advanced process control (APC) system for controlling, stabilizing and optimizing lime production in a pulp mill.  The solution combines laboratory results by operator action with the model based predictive control.  This leads to utilizing the best of both approaches in a fully productized solution, with minimum need for on-site development. OPT800 Lime results in uniform lime quality with low energy consumption and reduced emissions. This is achieved by analyzing residual carbonates during laboratory tests and providing this data to MPC for optimized control targets. The Production Rate control provides a coordinated ramping function of key loops to ensure a smooth transition to achieve desired production levels set by operator.

OPT800 Lime has proven profitable in many installations for different types of lime kilns all over the world. OPT800 Lime consists of the state-of-the-art APC software application including installation, start-up, tuning and training service.

  • State-of-the-art multi-variable model predictive control
  • Production rate control
  • Residual carbonate control
  • Primary air control
  • Control usage reports
  • Key performance indicators
  • Task oriented and easy to use operator displays

  • Increased production (2-6%)
  • Reduced energy consumption (4-8%)
  • Reduced excess oxygen variation (30-60%)
  • Reduced lime quality variation
  • Reduced fuel consumption
  • Improved re-burned lime quality
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