期刊
BIORESOURCE TECHNOLOGY
卷 104, 期 -, 页码 342-348出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.10.059
关键词
Scenedesmus obliquus; Microalga; Pre-treatment; Sugars; Bioethanol
资金
- Portuguese Foundation for the Science and Technology (Fundacao para a Ciencia e a Tecnologia - FCT) [PTDC/AAC-AMB/100354/2008]
- Fundação para a Ciência e a Tecnologia [PTDC/AAC-AMB/100354/2008] Funding Source: FCT
The present work deals with the optimization of cellular disruption and sugar extraction from the microalgae Scenedesmus obliquus (Sc) for bioethanol production. Among the physical and physicochemical methods tested, the best results were obtained with acid hydrolysis by H2SO4 (2 N), at 120 degrees C for 30 min and using dried biomass. The sugar extraction efficiency level reached was 95.6% when compared to the harsh quantitative acid hydrolysis. The influence of other parameters such as biomass loading and number of extraction cycles were also evaluated. The results obtained in the latter case showed that a unique hydrolysis step is sufficient. (C) 2011 Elsevier Ltd. All rights reserved.
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