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Brown stock washing control
After reading this article you will..
- learn the dual targets of the pulp washing process.
Process control and automation
- Introduction to process control and automation
- Development of process automation
- Fibre process automation
- Chemical recovery as a control object
- Advances in paper machine automation
- Paper machine as a dynamical system
- Tasks in paper machine control and management
- Control of stock flow concentration and quality
- Machine direction control
- Cross-directional control – The static optimisation
- Cross-directional control – Dynamics
- Cross-directional control – further aspects
- Controlling functional paper properties
- Managing grade chances in the paper machine
- Managing disturbances caused by broke and recovered solids
- Millwide systems
- Modelling and control methods
Authors & references
Authors:
Professor Emeritus Kauko Leiviskä, University of Oulu
References:
- Lundqvist, S. O. 1985. Pulp washing control: principles and results. Pulp Paper Canada 86(11):72–76.
- Brown, M.T. and Hart, B.W. 2017. Understanding conductivity and soda loss. Tappi J. 16(2):65-75.
- Andersson, N., Wilke, C., Biazzo, T. Van Fleet, R. and Germgård, U. 2014. A new sensor and a novel control concept for optimized fiber line operation. TAPPI J. 13(10):39-45.
- Kopra, R., Koivula, K. and Dahl, O. 2015. Optimization of a brownstock washing line. Tappi J. 14(2):83-91.
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This page has been updated 14.11.2020