Welcome- Themes
- Introduction to forest-based bioeconomy
- Wood products
- Natural fibre products
- Man-made bio-based fibre products
- Bio-based nanomaterials
- Recycled fibre
- Pulping and biorefining
- Energy and biofuels
- Biomass chemistry and physiology
- Material testing and product properties
- Forests and other biomass resources
- Supply chain
- Process control and automation
- Asset management
- Business and investment planning
- Environmental control and management
- Learning paths
- Other resources
- Tools
- Contact
- Profile
Transition control in continuous digesters
After reading this article you will..
- learn the principles for species and production rate changes in continuous digesters.
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:
- Sutinen, R., Joensuu, I., Furst, P., Leiviskä, K. 1990. Advanced Kamyr digester control. In: 1990 EUCEPA Conference Proceedings. Stockholm, May 9–11. SPCI. pp. 253–264.
- Mori, Y., Sueda, R. and Takeuchi, S. 2003. Pulp cooking control and wood species change control for a Kamyr continuous digester. SICE Annual Conference, Fukui, Japan, August 4–6, 397–402.
Videos
Exercises
This page has been updated 13.10.2020