| Gasification of rice straw in a fluidized-bed gasifier for syngas application in close-coupled boiler-gasifier systems. | |
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MedLine Citation:
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PMID: 22297044 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The feasibility and operation performance of the gasification of rice straw in an atmospheric fluidized-bed gasifier was studied. The gasification was carried out between 700 and 850°C. The stoichiometric air-fuel ratio (A/F) for rice straw was 4.28 and air supplied was 7-25% of that necessary for stoichiometric combustion. Mass and power balances, tar concentration, produced gas composition, gas phase ammonia, chloride and potassium concentrations, agglomeration tendencies and gas efficiencies were assessed. Agglomeration was avoided by replacing the normal alumina-silicate bed by a mixture of alumina-silicate sand and MgO. It was shown that it is possible to produce high quality syngas from the gasification of rice straw. Under the experimental conditions used, the higher heating value (HHV) of the produced gas reached 5.1MJNm(-3), the hot gas efficiency 61% and the cold gas efficiency 52%. The obtained results prove that rice straw may be used as fuel for close-coupled boiler-gasifier systems. |
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Authors:
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L F Calvo; M V Gil; M Otero; A Morán; A I García |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-14 |
Journal Detail:
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Title: Bioresource technology Volume: - ISSN: 1873-2976 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-2-2 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Institute of Environment, Natural Resources and Biodiversity, University of León, Avda. Portugal, 41, 24071 León, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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