Properties of cellulose nanofibre networks prepared from never-dried and dried paper mill sludge

被引：24

作者：

Adu, Cynthia ^{[1
]}

Berglund, Linn ^{[2
]}

Oksman, Kristiina ^{[2
]}

Eichhorn, Stephen J. ^{[3
]}

Jolly, Mark ^{[1
]}

Zhu, Chenchen ^{[3
]}

机构：

[1] Cranfield Univ, Mfg & Mat Dept, Cranfield MK43 0AL, Beds, England

[2] Lulea Univ Technol, Div Mat Sci, SE-97187 Lulea, Sweden

[3] Univ Bristol, Sch Engn, Bristol Composites Inst ACCIS, Queens Bldg, Bristol BS8 1TR, Avon, England

来源：

JOURNAL OF CLEANER PRODUCTION | 2018年 / 197卷

关键词：

BACTERIAL CELLULOSE; ELASTIC-MODULUS; RAW-MATERIALS; PULP; NANOCOMPOSITES; OPTIMIZATION; PERFORMANCE; COMPOSITES; MANAGEMENT; STRENGTH;

D O I：

10.1016/j.jclepro.2018.06.263

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

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 similar to 92 MPa, and similar to 85 MPa and modulus similar to 11 GPa and similar to 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. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：765 / 771

页数：7

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