Journal
BIORESOURCE TECHNOLOGY
Volume 251, Issue -, Pages 218-229Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.12.044
Keywords
Energy crops; Plant parts; Biomass composition; Bioenergy; Biorefinery
Funding
- U.S. Department of Agriculture, National Institute of Food and Agriculture through the Biomass Research and Development Initiative [2012-10006-19455]
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The composition of lignocellulosic feedstock, which depends on crop type, crop management, locations and plant parts, significantly affects the conversion efficiency of biomass into biofuels and biobased products. Thus, this study examined the composition of different parts of two high yielding tropical energy crops, Energycane and Napier grass, collected across three locations and years. Significantly higher fiber content was found in the leaves of Energycane than stems, while fiber content was significantly higher in the stems than the leaves of Napier grass. Similarly, fiber content was higher in Napier grass than Energycane. Due to significant differences in biomass composition between the plant parts within a crop type, neither biological conversion, including anaerobic digestion, nor thermochemical pretreatment alone is likely to efficiently convert biomass components into biofuels and biobased products. However, combination of anaerobic digestion with thermochemical conversion technologies could efficiently utilize biomass components in generating biofuels and biobased products.
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