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Pyrolysis of Medium Density Fiberboard (MDF) wastes in a screw reactor

机译：螺杆反应器中中密度纤维板（MDF）废物的热解

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摘要

Medium Density Fiberboard (MDF) wastes were undergoes via a thermal treatment through of a pyrolysis process. Pyrolysis was carried out in a pilot scale reactor with screw conveyor at two reaction temperatures (450 and 600 ℃) and, for each one, three solid residence times (9,15 and 34 min) were evaluated. Products (char/bio-oil/fuel gas) of the pyrolysis process were characterized and quantified. Results revealed that the products yields were influenced by pyrolysis temperature, as well as by solid residence time. Char yield ranged between 17.3 and 39.7 (wt.%), the bio-oil yield ranged between 23.9 and 40.0 (wt.%), while the fuel gas yield ranged between 34.6 and 50.7 (wt.%). The samples surface area at 450 and 600 ℃ in 15-min residence time were surprisingly high, 415 and 593 m~2g~(-1) respectively, which are compatible with the superficial area of commercial activated carbons. Energetic efficiency of process was estimated from energetic content present in the reaction products and the energetic content of MDF wastes, and the following results were obtained: 41.4% (fuel gas), 35.5% (char) and 29.2% (bio-oil). The contribution of this work is the development of a detailed study of the MDF pyrolysis in a pilot reactor with screw conveyor that supports the biorefineries concept.
机译：通过热解工艺对中密度纤维板（MDF）废物进行热处理。在带有螺旋输送器的中试规模反应器中，在两个反应温度（450和600℃）下进行热解，并分别评估三个固体停留时间（9,15和34分钟）。表征并量化了热解过程的产物（焦炭/生物油/燃料气）。结果表明，产物产率受热解温度以及固体停留时间的影响。焦炭产率在17.3和39.7（重量％）之间，生物油产率在23.9和40.0（重量％）之间，而燃料气体产率在34.6和50.7（重量％）之间。在15分钟的停留时间内，在450和600℃下的样品表面积出人意料地高，分别为415和593 m〜2g〜（-1），与商业活性炭的表面面积相适应。根据反应产物中的能量含量和MDF废物的能量含量估算过程的能效，得到以下结果：41.4％（燃气），35.5％（炭）和29.2％（生物油）。这项工作的贡献是在带有螺旋输送机的中试反应器中对MDF热解进行了详细研究，该螺旋输送器支持生物精炼厂的概念。

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  • 来源
    《Energy Conversion & Management》 |2015年第3期|223-233|共11页
  • 作者

    Suelem Daiane Ferreira; Carlos Roberto Altafini; Daniele Perondi; Marcelo Godinho;

  • 作者单位

    Postgraduate Program in Mechanical Engineering, Professional Master Degree, University of Caxias do Sul, Caxias do Sul, Rio Grande do Sul, Brazil,Postgraduate Program in Mining Engineering, Metallurgical and Materials, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil;

    Postgraduate Program in Mechanical Engineering, Professional Master Degree, University of Caxias do Sul, Caxias do Sul, Rio Grande do Sul, Brazil;

    Postgraduate Program in Engineering Processes and Technologies, University of Caxias do Sul, Caxias do Sul, Rio Grande do Sul, Brazil,Postgraduate Program in Mining Engineering, Metallurgical and Materials, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil;

    Postgraduate Program in Engineering Processes and Technologies, University of Caxias do Sul, Caxias do Sul, Rio Grande do Sul, Brazil;

  • 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

    Medium Density Fiberboard; Pyrolysis; Screw reactor and residence time;

    机译：中密度纤维板;热解;螺杆反应器和停留时间;

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