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Properties of cellulose nanofibre networks prepared from never-dried and dried paper mill sludge
Manufacturing and Materials Department, Cranfield University.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-6247-5963
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-4762-2854
Bristol Composites Institute (ACCIS), Queens Building, School of Engineering, Bristol University.
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2018 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 197, no 1, p. 765-771Article in journal (Refereed) Published
Abstract [en]

Paper mills yield large volumes of sludge materials which pose an environmental and economic challenge for disposal, despite the fact that they could be a valuable source for cellulose nanofibres (CNF) production. The aim of the study was to evaluate the production process and properties of CNF prepared by mechanical fibrillation of never-dried and dried paper mill sludge (PMS). Atomic force microscopy (AFM) showed that average diameters for both never-dried and dried paper sludge nanofibres (PSNF) were less than 50 nm. The never-dried and dried sludge nanofibres showed no statistical significant difference (p > 0.05) in strength 92 MPa, and 85 MPa and modulus 11 GPa and 10 GPa. The study concludes that paper mill sludge can be used in a dried state for CNF production to reduce transportation and storage challenges posed on industrial scale.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 197, no 1, p. 765-771
National Category
Bio Materials
Research subject
Wood and Bionanocomposites
Identifiers
URN: urn:nbn:se:ltu:diva-69983DOI: 10.1016/j.jclepro.2018.06.263Scopus ID: 2-s2.0-85049875446OAI: oai:DiVA.org:ltu-69983DiVA, id: diva2:1228927
Note

Validerad;2018;Nivå 2;2018-07-19 (inah)

Available from: 2018-06-29 Created: 2018-06-29 Last updated: 2018-08-08Bibliographically approved

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Berglund, LinnOksman, Kristiina

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