On the chemical composition and pyrolytic behavior of hybrid poplar energy crops from northern Spain

被引:9
作者
Gomez-Martin, J. M. [1 ,3 ]
Castano-Diaz, M. [2 ]
Camara-Obregon, A. [2 ]
Alvarez-Alvarez, P. [2 ]
Folgueras-Diaz, M. B. [1 ]
Diez, M. A. [3 ]
机构
[1] Univ Oviedo, Sch Min Energy & Mat Engn, Energy Dept, Independencia 13, Oviedo 33004, Spain
[2] Univ Oviedo, Polytech Sch, Organisms & Syst Biol Dept, Gonzalo Gutierrez Quiros S-N, Mieres 33600, Spain
[3] Inst Nacl Carbon, INCAR CSIC, Francisco Pintado Fe 26, Oviedo 33011, Spain
关键词
Bioenergy; Chemical composition; FTIR spectroscopy; Pyrolysis; HEATING VALUE; BIOMASS; LIGNIN;
D O I
10.1016/j.egyr.2019.09.065
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Short Rotation Woody Coppices (SRWCs) where several tree species and clones grown on marginal land typically over 3-10 year cycles have been recognized as providers of sustainable energy and as feedstocks for producing other fuels and chemicals. A thorough physical and chemical characterization is crucial for understanding and optimizing harvesting and production strategies. Accordingly, this study focuses on the evaluation of chemical and thermochemical features of three parts of harvested shoots (base and middle of the shoot, and branches) of selected hybrid poplars of short rotation -AF2, Beaupre and I214 of 5, 9 and 8 years-old, respectively-. Results show a decrease in the ash content from the top to the base of each species with ash levels always around or below 1 wt%, and at the same time a decrease in high heating value -HHV-. The differences in HHV between the different parts of the hybrid poplars are in good agreement with results obtained from FTIR and thermogravimetric patterns. (C) 2019 Published by Elsevier Ltd.
引用
收藏
页码:764 / 769
页数:6
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