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
- Printing
Retention and drainage Retention definition The term retention in papermaking describes how much of the suspended solid particles in furnish coming to headbox is leaving the paper machine wire as a web after most of the water in furnish has been removed on wire (Figure 1). In addition, the terms first-pass retention, one-pass retention, single-pass
Authors & references
Authors:
Jonni Ahlgren and Markus Korhonen, Kemira Oyj
References:
- Gess, J. M., Retention of Fines and Fillers During Papermaking, TAPPI PRESS, Atlanta, Georgia, USA 1998
- Eklund, D. and Lindström, T., Paper Chemistry. An Introduction, DT Paper Science Publications, Grankulla, Finland 1991
- Britt, K. W., Mechanisms of Retention During Paper Formation, Tappi 56 (10) 1973, pp. 46–50
- Fines content, SCAN-CM 66:05, Accepted 2005
- Krogerus, B., Papermaking additives (Chapter 3). In Alén, R. (Ed.), Papermaking Chemistry, Book 4). Papermaking Science and Technology. 2nd ed. Finnish Paper Engineers’ Association /Paperi ja Puu Oy. Jyväskylä, 2007. pp. 54–121 and 175-188.
Videos
Exercises
This page has been updated 15.11.2020