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Balance of retention, drainage and formation
After reading this article you will..
- understand the advantages and disadvantages of higher retention level.
- understand the connection between retention, dewatering and formation.
- know how to affect retention and drainage.
Natural fibre products
- Printing and writing papers
- Paperboards
- Tissue
- Nonwovens
- Speciality papers
- Production of paper and board
- Stock and water systems
- Web forming
- Wet pressing
- Drying of natural fibre products
- Surface sizing
- Pigment coating
- Finishing
- Converting of paper and board
- Papermaking chemistry
- Paper physics
- Paper structure
- Fibres and bonds
- Paper surface and thermal, electrical and friction characteristics
- Paper optics
- In-plane tensile properties
- Structural mechanics of paper and board
- Moisture transport
- Rheology
- Dimensional stability
- Printing
Authors & references
Authors:
Jonni Ahlgren and Markus Korhonen, Kemira Oyj
References:
- Hubbe, M., Wet End Chemistry. The Basics for Papermakers, seminar Improve the Efficiency of Your PM Wet End, Kajaani, Finland, January 14–15, 2009
Videos
Exercises
This page has been updated 15.11.2020