System and a method for optimization of continuous digestion process
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United States of America Patent
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Aug 27, 2019
Grant Date -
Mar 1, 2012
app pub date -
Aug 15, 2011
filing date -
Feb 13, 2009
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Abstract
A method is disclosed for optimization of continuous digestion process. Exemplary embodiments can control a delignification process in a continuous pulp digester in an optimal way for different pulp grades taking into account process disturbances and model uncertainties. This can be achieved by customizing a generic mathematical model for a continuous digestion process which runs through a software application on a dedicated electronic device. The model can be updated periodically based on on-line information, and used with a plant optimization component involving multi-objective optimization to evaluate optimal set points for the controllers. A system is also disclosed for optimizing control of a continuous pulp digester.
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