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Deinkability test methods
After reading this article you will..
- understand the most important deinkability test and stages of its procedure.
Recycled fibre
- Legislation
- Sources and quality of paper for recycling
- Recyclability of paper and board products – Deinkability
- Recycling versus recyclability
- Technical aspects of recycling
- Relevance of recyclability
- Repulpability and deinkability
- Deinkability test methods
- EPRC deinkability assessment
- Deinkability of different printed products
- Removability of adhesive applications
- EPRC assessment on removability of adhesive applications in graphic paper products
- Unit operations and equipment in recycled fibre processing
- Design of processes
- Design principles for stock preparation processes
- Process design for graphical grades, news print
- Process design for tissue
- Process design for board and packaging grades
- Reject and Sludge handling for graphical and tissue applications
- Reject and Sludge handling for board and packaging applications
- Water management
- Additives
- Deinking
- Bleaching of deinked pulp
- Process water treatment
- Sticky control – detackification
- Enzymatic solution for recycled fibres
- Papermaking potential of recycled fibre
- Differences between virgin and recycled fibre
- Repeated (manifold) recycling experiments
- Multiple papermaking with recycled fibres
- Modelling of fibre age distribution
- Special request of recycled fibre furnish in papermaking
- Effects of recycled fibre in papermaking
- Challenges of increased recycled fibre utilisation
Authors & references
Author:
Dr.-Ing. Hans-Joachim Putz
Technische Universität Darmstadt
Fachgebiet Papierfabrikation und Mechanische Verfahrenstechnik (PMV)
References:
- INGEDE Method 11 – Assessment of print product recyclability – Deinkability test. Version Jan. 2018, INGEDE, Bietigheim-Bissingen, Release 30.06.2020: https://www.ingede.com/ingindxe/methods/ingede-method-11-2018.pdf
- INGEDE Method 1: Test sheet preparation of pulps and filtrates from deinking processes. Version Dec. 2014, INGEDE, Bietigheim-Bissingen. Release 30.06.2020: https://www.ingede.com/ingindxe/methods/ingede-method-01-2014.pdf
- INGEDE Method 2: Measurement of optical characteristics of pulps and filtrates from deinking processes. Version Dec. 2014, INGEDE, Bietigheim-Bissingen, Release 30.06.2020: https://www.ingede.com/ingindxe/methods/ingede-method-02-2014.pdf
- DIN SPEC 55700: Paper and Pulp – Deinkability test for printed paper products. Beuth Verlag, Berlin, 2016
- ISO 21993:2020: Paper and pulp – Deinkability test for printed paper products. ISO copyright office, Vernier, Geneva
- PTS Method RH 021/97: Kennzeichnung der Rezyklierbarkeit von Packmitteln aus Papier, Karton und Pappe sowie von grafischen Druckerzeugnissen. Papiertechnische Stiftung, Heidenau, 2012
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This page has been updated 17.11.2021