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Importance of the textural characteristics of inert additives in the reduction of coal thermoplastic properties

机译：惰性添加剂的结构特征在降低煤热塑性方面的重要性

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摘要

Seven carbonaceous materials of different origin were chosen in order to study the influence of their porous structure on the modification of the thermoplastic properties of a bituminous coal. The materials included were: two non-coking coals, a petroleum coke, coke fines, two residues from tyre recycling and a bituminous residue. The materials were heat-treated to 900℃ to prevent any chemical interaction between the volatiles evolved during co-carbonization. The thermoplastic properties of blends that contained 10 wt.% of additive were measured by means of the Gieseler test. Microporosity was measured by CO_2 adsorption at 273 K, whereas meso and macroporosity were determined by means of mercury poros-imetry. The results of the porous structure assessment are discussed in relation to the modification of coal plasticity.
机译：选择了七种不同来源的碳质材料，以研究其多孔结构对烟煤热塑性特性改性的影响。所包括的材料是：两种非焦煤，石油焦，焦炭粉，轮胎回收产生的两种残留物和沥青残留物。将材料热处理至900℃，以防止在共碳化过程中产生的挥发物之间发生任何化学相互作用。含有10重量％的添加剂的共混物的热塑性性质通过Gieseler测试来测量。通过在273 K下吸附CO_2来测量微孔率，而通过汞孔隙率法测定介孔和大孔率。讨论了多孔结构评估的结果，涉及煤可塑性的改变。

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  • 来源
    《Fuel》 |2010年第11期|P.3388-3392|共5页
  • 作者

    A.M. Fernandez; C. Barriocanal; M.A. Diez; R. Alvarez;

  • 作者单位

    Institute National del Carbon, CSIC, Apartado 73, 33080 Oviedo, Spain;

    rnInstitute National del Carbon, CSIC, Apartado 73, 33080 Oviedo, Spain;

    rnInstitute National del Carbon, CSIC, Apartado 73, 33080 Oviedo, Spain;

    rnInstitute National del Carbon, CSIC, Apartado 73, 33080 Oviedo, Spain;

  • 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

    coal; thermoplasticity; additives; porous structure;

    机译：煤;热塑性添加剂;多孔结构;

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