Journal
BIORESOURCE TECHNOLOGY
Volume 212, Issue -, Pages 236-244Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.04.061
Keywords
Hydrothermal carbonization; Pulp mill; Galactoglucomannan; Kraft pulp; Kraft lignin
Funding
- Tekes - the Finnish Funding Agency for Innovation
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The progress of the conversion, the yield, the structure and the morphology of the produced carbonaceous materials as a function of time were systematically studied with pyrolysis-GC/FID and FESEM microscope. The conversion of galactoglucomannan, bleached kraft pulp and TEMPO oxidized cellulose nanofibrils followed the reaction route of glucose being slower though with fibrous material, higher molar mass and viscosity. The conversion of kraft lignin was minor following completely different reaction route. Carbonaceous particles of different shape and size were produced with yields between 23% and 73% after 4 h with being higher for lignin than carbohydrates. According to the results, potential pulp mill streams represent lignocellulosic resources for generation of carbonaceous materials. (C) 2016 Elsevier Ltd. All rights reserved.
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