Co-pyrolysis of biomass and coal blend by TG and in a free fall reactor

被引：65
|
作者：
Quan, Cui [1 ]
Xu, Shaoping [1 ]
An, Yi [1 ]
Liu, Xiaolong [1 ]
机构：
[1] Dalian Univ Technol, Inst Coal Chem Engn, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116024, Peoples R China
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2014年 / 117卷 / 02期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Biomass; Coal; Co-pyrolysis; TG; Free fall reactor; Synergetic effect; LIGNITE; KINETICS; RESIDUE;
D O I：
10.1007/s10973-014-3774-7
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Co-pyrolysis characteristics of white pine and sub-bituminous coal blend were studied by thermogravimetric analysis (TG) and in a free fall reactor. The pyrolysis behavior of the blends at various biomass blending ratios was compared with that of the individual coal and biomass. The results from TG indicate that the interactions between the blends present an inhibitive effect on thermal decomposition, resulting in higher than expected char yields. In the free fall reactor, a positive synergy effect on tar production was observed under the higher biomass blending ratio. Moreover, the compositions of the gaseous products from the blends are not all in accordance with those of their parent fuels. The observed synergetic effects might be due to char-coal interactions in TG, while gas-coal interactions are preferred in free fall reactor.
引用
收藏
页码：817 / 823
页数：7
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