期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 52, 期 -, 页码 8-16出版社
ELSEVIER
DOI: 10.1016/j.indcrop.2013.09.034
关键词
Crambe seed; Crambe oil; Crambe bio-oil; Extraction techniques; GC x GC/TOFMS
资金
- PETROBRAS
- CAPES/PROCAD
- FAPITEC/SE
- CNPq
- FINEP
This study is focused on the evaluation of Crambe abyssinica as a source of biofuels and biomass. The vegetable oil (VO) from the seeds and the bio-oil (BO) from the pyrolysis of the residual cakes were characterized by one-dimensional and comprehensive two-dimensional gas chromatography GC/qMS and GC x GC/TOFMS, and many oxygenated compounds were found in both (VO and BO). The VOs were extracted by mechanical pressing as well as Soxhlet extraction and compressed propane extraction procedures, and the compressed propane procedure presented the best results. While the VOs are basically composed of fatty acids (from the glycerides), with a high concentration of erucic and oleic acid, the BO showed a more complex constitution, with phenols, ketones, acids, ethers, esters, hydrocarbons, alcohols and nitrogenated compounds. The large amounts of alkyl phenols, guaiacols, pyridines, indoles and ani-lines in the bio-oil are interesting to the chemical and pharmaceutical industries. In addition, the presence of a reasonable amount of hydrocarbons also indicated the possible use of BO as an alternative fuel. (C) 2013 Elsevier B.V. All rights reserved.
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