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Slow and pressurized co-pyrolysis of coal and agricultural residues

机译:煤和农业残留物的缓慢加压加压热解

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摘要

The distribution of products from the slow heating rate pyrolysis of coal, corn residues (cobs and stover), sugarcane bagasse and their blends were investigated by slow pressurized pyrolysis in a packed bed reactor. A factorial experimental design was implemented to establish the relative significance of coal-biomass mix ratio, temperature and pressure on product distribution. Results showed that the yield and composition of tar and other volatile products were mostly influenced by mix ratio, while temperature and pressure had a low to negligible significance under the range of conditions investigated. Analysis of the composition of condensates and gas products obtained showed that there was significant synergy or chemical interactions in the vapor phase during co-pyrolysis of coal and biomass. However, the interactions did not significantly affect the relative distribution of the lumped solid, liquid and gas products obtained from the blends, beyond what would be expected assuming additive behavior from the contributing fuels.
机译:在填充床反应器中通过缓慢加压热解研究了煤,玉米残渣(玉米芯和秸秆),甘蔗渣及其混合物的缓慢升温热解产物的分布。进行了析因实验设计,以建立煤-生物质混合比,温度和压力对产品分布的相对重要性。结果表明,焦油和其他挥发性产物的收率和组成主要受混合比的影响,而温度和压力在所研究的条件范围内具有低至可忽略的意义。对所获得的冷凝物和气体产物的组成的分析表明,在煤和生物质的共热解过程中,气相中存在显着的协同作用或化学相互作用。然而,相互作用并没有显着影响从共混物中获得的集总的固体,液体和气体产品的相对分布,超出了假设来自贡献燃料的附加性能的预期分布。

著录项

  • 来源
    《Energy Conversion & Management》 |2013年第1期|198-207|共10页
  • 作者单位

    Department of Process Engineering, Stellenbosch University, Stellenbosch, South Africa,Fort Hare Institute of Technology, University of Fort Hare, Alice, South Africa;

    Department of Process Engineering, Stellenbosch University, Stellenbosch, South Africa;

    Fort Hare Institute of Technology, University of Fort Hare, Alice, South Africa;

    Department of Process Engineering, Stellenbosch University, Stellenbosch, South Africa;

    Department of Process Engineering, Stellenbosch University, Stellenbosch, South Africa;

  • 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

    corn cobs; corn stover; sugarcane bagasse; coal; pressurized; co-pyrolysis;

    机译:玉米棒子;玉米秸秆;甘蔗渣煤;加压共热解;

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