A method and apparatus for controlling the delignification process by monitoring and minimizing variations in the Kappa Number and the digester residual chemical concentration. A parameter representative of the H factor for the delignification process and a measurement of the initial chemical concentration...http://www.google.fr/patents/US5060132?utm_source=gb-gplus-shareBrevet US5060132 - Method of modeling and control for delignification of pulping
Method of modeling and control for delignification of pulping
