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Deinkability of offset prints
After reading this article you will..
- have an impression on the different behaviour of the deinkability of different offset print products and which problems can occur.
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:
- Hakola, E.: Principles of conventional printing. Chapter 2 of: Oittinen, P., Saarelma H. (editors), Print Media – Principles, Processes and Quality, Paperi ja Puu Oy, 2009, ISBN 978-952-5216-33-2
- INGEDE database, Bietigheim-Bissingen, Germany, 2020 (individual results not public)
- Faul, A. and Putz, H.-J.: Scoring Deinkability. Progress in Paper Recycling, 18 (2009) No. 2, p. 17-23
- Putz, H.-J.: Deinkability Survey 2017 – INGEDE-Project 15317. INGEDE-Symposium 2018, Munich
- EPRC: Assessment of Printed Product Recyclability – Deinkability Score. Version 2, January 2017, EPRC, Brussels, Release 01.07.2020: https://www.paperforrecycling.eu/publications/
- EPEA: Cradle to Cradle Perspective on UV Printing, especially UV / LED. EPEA Internationale Umweltforschung GmbH, Hamburg, 2017. Release 17.08.2020: file:///C:/Users/putz.PMV/Documents/AIF/PROJEKTE/20476_UV-Druck/Literatur/c2c-perspective-on-uv-led.pdf
Videos
Exercises
This page has been updated 27.11.2021
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