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The Gibbs Free Energy Gradient Method for RDF gasification modelling

机译:吉布斯自由能梯度法用于RDF气化模型

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摘要

Starting from an equilibrium model for gasification, this research group has devised a new mathematical model, the so called Gibbs Free Energy Gradient Method Model (GMM). This model permits to bypass the semi-qualitative view, typical of equilibrium models, which assume very restrictive hypotheses such as equilibrium state for all the reactions involved in gasification process, complete conversion of carbon matter, gasification products in gas phase only. GMM model overcomes these limitations providing a quantitative point of view, even though the hypothesis of no tar production affects both models. GMM model has been applied to RDF gasification, supplying reliable results in the gasification process analysis. Model computations in terms of gas yield, gas composition, low heating value and H_2 yield, have been compared with literature results, showing that computed data are in good agreement with exper imental ones.
机译:从用于气化的平衡模型开始,该研究小组设计了一种新的数学模型,即所谓的吉布斯自由能梯度法模型(GMM)。该模型允许绕过均衡模型的典型半定性视图,该模型假设了非常严格的假设,例如气化过程中涉及的所有反应的平衡状态,碳物质的完全转化,仅气化气化产物。即使没有焦油产生的假设影响这两个模型,GMM模型也克服了这些局限性,提供了定量的观点。 GMM模型已应用于RDF气化,在气化过程分析中提供可靠的结果。将天然气产量,天然气成分,低发热量和H_2产量方面的模型计算与文献结果进行了比较,表明所计算的数据与实验数据非常吻合。

著录项

  • 来源
    《Fuel》 |2011年第4期|p.1402-1407|共6页
  • 作者单位

    University Campus Biomedico of Rome, Via Alvaro del Portillo, 21, 00128 Roma, Italy;

    Department of Chemistry, Chemical Engineering and Materials, University of L'Aquila, Campo di Pile, Zona Industriale di Pile, 67100 VAquila, Italy;

    Processi Innovativi, Corso Federico 11, 67100 L'Aquila, Italy;

    Department of Food Science, University of Teramo, 64023 Mosciano S. Angelo, Teramo, Italy;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    rdf; gasification; model; equilibrium; free energy;

    机译:rdf;气化;模型;平衡;自由能;

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