Journal
BIORESOURCE TECHNOLOGY
Volume 100, Issue 24, Pages 6428-6433Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2009.07.015
Keywords
Ash content; Nitrogen content; Alkali index; Energy grasses; FTIR
Funding
- Biotechnology and Biological Sciences Research Council [BBS/E/W/00003134D, BBS/E/W/00003134C, BBS/E/C/00004892] Funding Source: researchfish
- Engineering and Physical Sciences Research Council [EP/E039995/1] Funding Source: researchfish
- Biotechnology and Biological Sciences Research Council [BBS/E/W/00003134D, BBS/E/W/00003134C, GR/S28204, BBS/E/C/00004892] Funding Source: Medline
- BBSRC [BBS/E/W/00003134C, BBS/E/C/00004892, BBS/E/W/00003134D] Funding Source: UKRI
- EPSRC [EP/E039995/1] Funding Source: UKRI
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Two energy grass species, switch grass, a North American tuft grass, and reed canary grass, a European native, are likely to be important sources of biomass in Western Europe for the production of biorenewable energy. Matching chemical composition to conversion efficiency is a primary goal for improvement programmes and for determining the quality of biomass feed-stocks prior to use and there is a need for methods which allow cost effective characterisation of chemical composition at high rates of sample through-put. In this paper we demonstrate that nitrogen content and alkali index, parameters greatly influencing thermal conversion efficiency, can be accurately predicted in dried samples of these species grown under a range of agronomic conditions by partial least square regression of Fourier transform infrared spectra (R-2 values for plots of predicted vs. measured values of 0.938 and 0.937, respectively). We also discuss the prediction of carbon and ash content in these samples and the application of infrared based predictive methods for the breeding improvement of energy grasses. (c) 2009 Elsevier Ltd. All rights reserved.
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