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Content Provider | World Health Organization (WHO)-Global Index Medicus |
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Author | Duarte, A. P. Domingues, F. C. Gil, N. Ferreira, S. Queiroz, J. A. |
Spatial Coverage | Portugal |
Description | Country affiliation: Portugal Author Affiliation: Ferreira S ( Research Unit of Textile and Paper Materials, University of Beira Interior, Av. Marquês D' Ávila e Bolama, 6201-001 Covilhã, Portugal.) |
Abstract | Under the current energy scenario, the development of alternatives to fossil fuels, like bioethanol from lignocellulosic materials, is highly relevant. Therefore it is important to search and study new raw materials and to optimize the different steps that lead to bioethanol production. In this work, acid diluted pretreatment was optimized considering the release of sugars. Under the optimal conditions, the reducing sugars yield was of 293.4mg/g of dry biomass in liquid fraction. The tested pretreated samples of Pterospartum tridentatum that presented a higher glucose yield in enzymatic saccharification where those that were subject to a pretreatment at 180°C for 75min with 2.75% (w/w) of sulfuric acid when using a biomass/liquid ratio of 2.25g/10mL leading to a maximum yield of glucose that was 92% of the theoretical maximum. From the fermentation of filtrates it was possible to obtain a maximum ethanol yield of 0.26g ethanol/g total sugars, without previous detoxification. |
ISSN | 09608524 |
Issue Number | 20 |
Volume Number | 101 |
e-ISSN | 18732976 |
Journal | Bioresource Technology |
Language | English |
Publisher | Elsevier |
Publisher Date | 2010-10-01 |
Publisher Place | Great Britain (UK) |
Access Restriction | Subscribed |
Subject Keyword | Carbohydrates Chemistry Cellulase Metabolism Ethanol Fermentation Hydrolysis Portugal Journal Article Research Support, Non-u.s. Gov't Discipline Bioresource |
Content Type | Text |
Resource Type | Article |
Subject Domain (in MeSH) | Organic Chemicals Enzymes and Coenzymes Carbohydrates Chemical Phenomena Geographic Locations |
Subject | Bioengineering Renewable Energy, Sustainability and the Environment Waste Management and Disposal Environmental Engineering Medicine |
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