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Received July 23, 2003
Accepted October 14, 2003
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Modeling and Simulation of Wet-end White Water System in the Paper Mill
Dept. of Chemical Engineering, Hanyang University, Seoul 133-791, Korea 1J. J. Engineering, Hanyang University, Kwangjin-Ku, Seoul 143-200, Korea
Korean Journal of Chemical Engineering, March 2004, 21(2), 358-364(7), 10.1007/BF02705420
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Abstract
A dynamic model representing the wet-end of a paper mill is developed to characterize its dynamic behavior. The model is based on the mass balance relationships written for the simplified wet-end white water network. The dynamic response of the wet-end is influenced both by the white water volume and by the level of wire retention. Effects of key manipulated variables such as the thick stock flow rate, the ash flow rate and the retention aid rate on the major controlled variables are analyzed by numerical simulations. It can be said that the consistency of the model with plant data seems to be reasonably good and can be used as a tool for plant analysis and control.
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