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Black liquor feed control
After reading this article you will..
- learn the meaning and principles of liquor feed and production controls.
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:
- Kettunen, H. 1995. Load control and stabilization of heating efficiency in recovery boiler. In: Automaatio 95 Proceedings. Helsinki, May 3–5. The Finnish Society of Automation, Helsinki. pp. 334–338. (In Finnish).
- Anon. Black liquor. Application note 3.01.04. K-Patents.
- Andersson, N. and Wilson. D.I. 2003. Measurement uncertainty in NIR analysis of black liquor parameters. Paperi Ja Puu 85(7):397-402.
- Anon. MicroMotion® CoriolisMeters Improve Efficiency, Savings in Black Liquor Recovery. Emerson Process Management.
- Nikolskaya, E., Janhunen, P., Haapalainen, M. and Hiltunen, Y. 2019. Solids Content of Black Liquor Measured by Online Time-Domain NMR. Applied Sciences 9:2169.
- McCabe, E., Mott, D., Savoy, D and Tran. H. 2007. Controlling black liquor “viscosity” to improve recovery boiler performance. Pulp & Paper Canada 108(12):49-52.
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This page has been updated 25.11.2020