Key Laboratory of Molecular Biophysics of MOE, Huazhong University of Science & Technology, Wuhan, PR China.
Bioresour Technol. 2011 Feb;102(3):3498-503. doi: 10.1016/j.biortech.2010.11.021. Epub 2010 Nov 12.
The thermal decomposition of biopretreated corn stover during the low temperature has been studied by using the Py-GC/MS analysis and thermogravimetric analysis with the distributed activation energy model (DAEM). Results showed that biopretreatment with white-rot fungus Echinodontium taxodii 2538 can improve the low-temperature pyrolysis of biomass, by increasing the pyrolysis products of cellulose, hemicellulose (furfural and sucrose increased up to 4.68-fold and 2.94-fold respectively) and lignin (biophenyl and 3,7,11,15-tetramethyl-2-hexadecen-1-ol increased 2.45-fold and 4.22-fold, respectively). Calculated by DAEM method, it showed that biopretreatment can decrease the activation energy during the low temperature range, accelerate the reaction rate and start the thermal decomposition with lower temperature. ATR-FTIR results showed that the deconstruction of lignin and the decomposition of the main linkages between hemicellulose and lignin could contribute to the improvement of the pyrolysis at low temperature.
采用 Py-GC/MS 分析和热重分析结合分布式活化能模型（DAEM）研究了生物预处理玉米秸秆在低温下的热解。结果表明，白腐菌 Echinodontium taxodii 2538 的生物预处理可以通过增加纤维素、半纤维素（糠醛和蔗糖分别增加了 4.68 倍和 2.94 倍）和木质素（生物苯和 3,7,11,15-四甲基-2-十六碳烯-1-醇分别增加了 2.45 倍和 4.22 倍）的热解产物来改善生物质的低温热解。通过 DAEM 方法计算，结果表明生物预处理可以降低低温范围内的活化能，加速反应速率，并在较低温度下开始热分解。ATR-FTIR 结果表明，木质素的解构和半纤维素与木质素之间主要键的分解有助于改善低温热解。
