Journal
BIORESOURCE TECHNOLOGY
Volume 177, Issue -, Pages 406-409Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2014.11.105
Keywords
Biomass; Pyrolysis; Bio-oil; Bio-transformation; Sunflower seeds hulls
Funding
- Consejo Nacional de Investigaciones Cientificas y Tecnicas, CONICET
- Agencia Nacional de Promocion Cientifica y Tecnologica, ANPCyT
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Bio-oils from pyrolysis of as received sunflower seed hulls (SSH), hulls previously washed with acid (SSHA) and hulls submitted to a mushroom enzymatic attack (BSSH) were analyzed. The concentration of lignin, hemicellulose and cellulose varied with the pre-treatment. The liquid corresponding to SSH presented a relatively high concentration of acetic acid and a high instability to storage. The bio-oil from SSHA showed a high concentration of furfural and an appreciable amount of levoglucosenone. Lignin was degraded upon enzymatic activity, for this reason BSSH led to the highest yield of bio-oil, with relative high concentration of acetic acid and stability to storage. (C) 2014 Elsevier Ltd. All rights reserved.
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