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乙酰化木粉的热解动力学研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2014年04期
Page:
131-134
Column:
研究论文
publishdate:
2014-07-01

Article Info:/Info

Title:
Study on pyrolysis kinetics of acetylated wood flour
Article ID:
1000-2006(2014)04-0131-04
Author(s):
XIE Zhenhua1 ZHANG Mingming1 JIN Liwei12*
1.Institute of Chemical Industry of Forestry Products, CAF;
National Engineering Lab. for Biomass Chemical Utilization;
Key and Open Lab. on Forest Chemical Engineering, SFA;
Jiangsu Provincal Key Lab. of Biomass Energy and Material,Nanjing 210042,China;
2.Institute of Forest New Technology, CAF, Beijing 100091,China
Keywords:
acetylated wood flour(AWF) pyrolsis kinetics activation energy biomass materials
Classification number :
TQ352
DOI:
10.3969/j.issn.1000-2006.2014.04.025
Document Code:
A
Abstract:
The pyrolysis characteristics of acetylated wood flour(AWF)were studied at different heating rates(5, 10, 15, 20 and 25 K/min)by thermogravimetric analysis, and the pyrolysis kinetics was studied by Horowitz-Metzger and Coats-Redlfern.The result showed that the pyrolysis process of AWF included pre-pyrolysis, fast pyrolysis and slow pyrolysis. The percentage of loss weight of AWF at fast pyrolysis stage reached 70%. The experiment data regressed by two different models illuminated the fast pyrolysis process was a first-order reaction. Activation energy values calculated by each model were different, but the overall trend was almost the same. It was showed that AWF decomposed less than some other biomass materials by contrasting their pyrolysis parameters.

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Last Update: 2014-07-31