Deinkability test methods Newspapers and magazines in Europe are mainly based on papers manufactured from mechanical pulp and deinked pulp, so-called wood-containing papers. The most efficient deinking processes for these paper products are in an alkaline environment. Therefore, deinkability tests developed also assume alkaline deinking conditions. INGEDE was the first and only association which established
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Deinkability test methods
After reading this article you will..
- understand the most important deinkability test and stages of its procedure.
Content
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
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