Point of view: paper usage Paper manufacturers using recycled fibre furnish have to adjust their processes on the condition of the furnish. That means in detail, that the adjustments at the paper machine have to comprise the requirements of the recycled fibre furnish, e.g. dewatering behaviour. The paper produced is a specific grade delivered to
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Point of view: paper usage
After reading this article you will..
- know the challenges of recycled fibre usage from the point of paper usage.
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:
Hans Putz
References:
- Niskanen, K., Nilsen, L., and Hellen, E., Simulation of the 3D structure of paper. In Fundamentals of Papermaking Materials (C.F. Baker, Ed.), PIRA, Leatherhead, UK, 1997, p. 1270
- Brinckman, M., The printability of newsprint containing recycled fibres. IFRA Newspaper Techniques Bulletin, Darmstadt, Germany, 1997
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This page has been updated 16.11.2021
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