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
Water management An intelligent water management system is essential to operate a modern paper mill. The main focus of such a management system will be: Avoidance of overflows Avoidance of additional fresh water consumption Constant process conditions (temperature, pH, COD, …) during continuous and discontinuous operation Minimised effluent water flow Minimised heat loss Consistent efficiency
Authors & references
Authors:
Falk Albrecht, Sebastian Schuster, Fanny Bader, Eckhard Gutsmuths
References:
- Stark, H.; Schwarz, M.1994. Papier aus Österreich Vol. 6, p. 3
- Hamm, U.; Göttsching, L. 1995. Inhaltsstoffe von Holz und Holzwerkstoffen. Wochenblatt für Papierfabrikation. Vol. 123, no. 10, p. 444.
- Reinholdt, B.; 2006. iCON – Quality control for increased productivity in stock preparation plants right up to paper machines, Wochenblatt für Papierfabrikation. Vol. 134, no 5, p. 220.
- Reinboth, F.; Krause, R.; Mayer, M.; Kallich, C.; 2008. Das bringt eMPC in der Deinkinganlage Stora Enso Sachsen Mill – Erfahrungsbericht über Methode, Technik und Aufwand sowie monetären und immateriellen Nutzen. Wochenblatt für Papierfabrikation Vol. 136, no 11–12, p. 674.
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This page has been updated 17.11.2021