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Published on: February 12, 2019
Thermogravimetric kinetics of sugarcane bagasse pretreated by hot-water
Qiang Wang1, Shanshan Liu, Guihua Yang
1Key Laboratory of Pulp & Paper Science and Technology Ministry of Education, Shandong Polytechnic University, Jinan 250353, PR China.
Abstract:
The thermogravimetric of sugarcane bagasse pretreated by hot-water has been studied in this paper. Results indicated that residual solid pretreatment by hot water could decrease the activation energy of phase 2 (270-350 °C) obviously, which makes the pyrolysis more energy-saving. By hot water pretreatment, the hemicellulose, especially xylose (9.78%/o.d. dry mass at 170 °C and 1 h) was greatly extracted into hydrolyzates liquor. Greatly minimized hemicellulose waste at low temperature during pyrolysis also agreed with biorefinery concept. Therefore, bagasse with hot-water pretreatment should be a good pyrolysis material for value-added material.
