Model of CEPI and EPRC For some years CEPI as well as EPRC have recorded in their published documents a number which indicates how often a paper fibre is used on average in the CEPI countries. In the last EPRC Monitoring Report 2018, this value was given as 3.5 times for CEPI countries and only
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- Introduction to forest-based bioeconomy
- Wood products
- Natural fibre products
- Man-made bio-based fibre products
- Bio-based nanomaterials
- Recycled fibre
- Pulping and biorefining
- Energy and biofuels
- Biomass chemistry and physiology
- Material testing and product properties
- Forests and other biomass resources
- Process control and automation
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Model of CEPI and EPRC
After reading this article you will..
- know a simple mathematical model based on mass balances for the calculation of an average fibre usage and
- know that this figure has nothing to do with the maximum possible fibre circulations.
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
Videos
Exercises
This page has been updated 16.11.2021
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