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Dissolving tank control
After reading this article you will..
- learn different possibilities for dissolving tank control.
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:
- Pyörälä, K. 2000. Improved causticizing control by digital green liquor TTA measurement. In: Pulp and Paper International Conference. Sao Paolo, October 23–26. 7 p.
- Dissolving tank density control. Product application sheet. Foxboro. 1998.
- FITNIR. Recovery boiler smelt dissolving tank optimization with on-line FT-NIR liquor composition measurements. Application Note. [Online] Available from: https://fitnir.com/wp-content/uploads/2015/10/FITNIR_Overview-Brochure_LRS_V2-092015.pdf [Accessed 24th September 2019].
- Ontero, J., Leiviskä, K. and Uronen, P. 1987. Green liquor dissolving and slaking studies. Oulun yliopisto, Prosessitekniikan osasto. Report 104. 13 p. (In Finnish).
- Coyle, I., Russell, S., Rajbhandari, V., Leclerc, M. and Laurier, M. 2013. Improving Smelt Dissolving Tank TTA Control at Zellstoff-Celgar. PACWEST 2013 Conference, Sun Peaks, B.C., June 2013.
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Exercises
This page has been updated 15.11.2020