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Influence of blending methods on the co-gasification reactivity of petroleum coke and lignite

机译：混合方法对石油焦与褐煤共气化反应性的影响

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摘要

The purpose of this paper is to investigate the influence of blending methods on the co-gasification of petroleum coke and lignite with CO_2 using a thermogravimetric system at 0.1 MPa. The weight loss curves, XRD analysis, SEM images, BET specific surface area, were investigated. It was observed that petroleum coke shows a low reactivity because of the graphitic carbon structure, low catalyst content and small specific surface area. Blending with lignite can get a high reactivity. The co-gasification reactivity was significantly influenced by blending methods. Wet grinding is much effective than dry grinding. Long grinding time made lignite show greater BET specific area. And the sample in long grinding time has more association chances between petroleum coke and AAEM species. The co-gasification reactivity increases linearly with a rise of BET specific area.
机译：本文的目的是在0.1 MPa的热重系统中研究共混方法对石油焦和褐煤与CO_2共气化的影响。研究了失重曲线，XRD分析，SEM图像，BET比表面积。据观察，由于石墨碳结构，催化剂含量低和比表面积小，石油焦显示出低反应性。与褐煤共混可获得较高的反应活性。共气化反应性受混合方法的影响很大。湿磨比干磨有效得多。较长的研磨时间使褐煤显示出更大的BET比表面积。而且，长时间磨削后的样品在石油焦和AAEM物质之间的关联机会更大。共气化反应性随BET比表面积的增加线性增加。

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  • 来源
    《Energy Conversion & Management》 |2011年第4期|p.1810-1814|共5页
  • 作者

    Xiuli Zhan; Jia Jia; Zhijie Zhou; Fuchen Wang;

  • 作者单位

    Key Laboratory of Coal Gasification of Ministry of Education, East China University of Science & Technology, Shanghai 200237, China;

    Key Laboratory of Coal Gasification of Ministry of Education, East China University of Science & Technology, Shanghai 200237, China;

    Key Laboratory of Coal Gasification of Ministry of Education, East China University of Science & Technology, Shanghai 200237, China;

    Key Laboratory of Coal Gasification of Ministry of Education, East China University of Science & Technology, Shanghai 200237, China;

  • 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

    co-gasification reactivity; petroleum coke; lignite; aaem species;

    机译：共气化反应性;石油焦;褐煤;aaem种类;

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