期刊
BIORESOURCE TECHNOLOGY
卷 226, 期 -, 页码 255-261出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.11.125
关键词
Bio-oil bearing biomass; Jatropha; Ionic liquid co-solvents; Protein extraction
资金
- Office of Naval Research [N00014-10-1-0310]
The fate of oil-seed biomass protein has been tracked through all steps of a multi-phase extraction process using an ionic liquid based co-solvent system previously demonstrated to extract bio-oil and phorbol esters and to recover fermentable sugars from Jatropha oil seed. These analyses, however, did not address the fate of biomass protein. This work demonstrated that the majority of protein (similar to 86%) tracked with the biomass with the balance lost to co-solvent (similar to 12%) and methanol (similar to 2%) washes. A significant portion of the ionic liquid remained with the treated biomass and required aggressive methanol washes to recover. A system analysis showed a net-positive energy balance and thus the potential of this system to produce both bio-oil and protein-rich toxin-free biomass. While these results further support Jatropha as an oil seed crop, the additional costs of solvent recovery will need to be addressed if commercialization is to be realized. (C) 2016 Elsevier Ltd. All rights reserved.
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