Journal
INDUSTRIAL CROPS AND PRODUCTS
Volume 76, Issue -, Pages 355-363Publisher
ELSEVIER
DOI: 10.1016/j.indcrop.2015.07.006
Keywords
Energycane bagasse; Lignocellulose; Delignification; Defibrillation; Pyrolysis
Categories
Funding
- State Forestry Bureau 948 project [2013-4-11]
- LSU School of Renewable Natural Resources
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Cellulose fibers were successfully extracted from energycane bagasse by using a combined NaOH and NaClO2 treatment. After the delignification process, most lignin and hemicelluloses were removed with a 27.4 wt% yield of cellulose fibers, and the mean diameter of cellulose fibers decreased from 137 +/- 46 (raw fiber bundles) to 12 +/- 5 mu m (unpacked fibers). The crystallinity of cellulose fibers first decreased and then increased during the transformation from cellulose I to II, and it gradually decreased after a further NaClO2 treatment. The raw bagasse fibers showed a three-step pyrolysis process, while isolated cellulose fibers had a one-step pyrolysis process. NaClO2 treatment caused the reduction of cellulose thermal stability due to its acting on lignin and cellulose. (C) 2015 Elsevier B.V. All rights reserved.
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