Variation in Miscanthus chemical composition and implications for conversion by pyrolysis and thermo-chemical bio-refining for fuels and chemicals

被引：131
作者：
Hodgson, E. M. [1 ]
Nowakowski, D. J. [2 ]
Shield, I. [3 ]
Riche, A. [3 ]
Bridgwater, A. V. [2 ]
Clifton-Brown, J. C. [1 ]
Donnisona, I. S. [1 ]
机构：
[1] Aberystwyth Univ, Inst Biol Environm & Rural Sci, Aberystwyth SY23 3EB, Ceredigion, Wales
[2] Aston Univ, Sch Engn & Appl Sci, Bioenergy Res Grp, Birmingham B4 7ET, W Midlands, England
[3] Rothamsted Res, Harpenden AL5 2JQ, Herts, England
来源：
BIORESOURCE TECHNOLOGY | 2011年 / 102卷 / 03期
基金：
英国生物技术与生命科学研究理事会; 英国工程与自然科学研究理事会;
关键词：
Energy crop; Miscanthus; Cell wall; Lignocellulosic; Biorefinery; THERMAL-DEGRADATION PRODUCTS; MASS-SPECTROMETRIC CHARACTERIZATION; GAS-CHROMATOGRAPHIC SEPARATION; HEATING VALUES; LIGNIN; BIOMASS; WOOD; PREDICTION; COLLECTION; GIGANTEUS;
D O I：
10.1016/j.biortech.2010.10.017
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Different species and genotypes of Miscanthus were analysed to determine the influence of genotypic variation and harvest time on cell wall composition and the products which may be refined via pyrolysis. Wet chemical, thermo-gravimetric (TGA) and pyrolysis-gas chromatography-mass spectrometry (Py-GC-MS) methods were used to identify the main pyrolysis products and determine the extent to which genotypic differences in cell wall composition influence the range and yield of pyrolysis products. Significant genotypic variation in composition was identified between species and genotypes, and a clear relationship was observed between the biomass composition, yields of pyrolysis products, and the composition of the volatile fraction. Results indicated that genotypes other than the commercially cultivated Miscanthus x giganteus may have greater potential for use in bio-refining of fuels and chemicals and several genotypes were identified as excellent candidates for the generation of genetic mapping families and the breeding of new genotypes with improved conversion quality characteristics. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3411 / 3418
页数：8
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