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The resource utilization of oily sludge by co-gasification with coal

机译：与煤共气化处理含油污泥的资源利用

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摘要

The utilization of oily sludge produced from refinery processes was evaluated in this study. Oily sludge was added to coal-water slurry (CWS) in different ways to prepare desirable coal-oily-sludge slurry (COSS). The slurryability and Theological characteristics of COSS were investigated and compared to CWS. The viscosity and yield stress of COSS sharply decrease with increasing the addition of oily sludge that preferentially wets coal particles. Microscopic structure and surface functional groups examination proved that oil droplets present in oily sludge could form a thin hydrophobic membrane on coal particle surface and modify its surface properties. The maximum solids loading can be either increased or decreased depending on the slurry preparation method. The maximum solids loading of COSS increases from 62.2 wt% to 64.0 wt% when oily sludge that preferentially wets coal was added in a ratio of 10.0 wt%.
机译：这项研究评估了炼油过程中产生的油性污泥的利用率。将油性污泥以不同方式添加到水煤浆（CWS）中，以制备理想的煤油性污泥（COSS）。研究了COSS的可浆性和流变特性，并将其与CWS进行了比较。 COSS的粘度和屈服应力会随着增加优先润湿煤颗粒的油性污泥的添加而急剧下降。微观结构和表面官能团检查证明，油性污泥中存在的油滴可在煤颗粒表面形成疏水薄膜并改变其表面性能。根据浆料的制备方法，可以增加或减少最大固体负载量。当以10.0重量％的比例添加优先润湿煤的油性污泥时，COSS的最大固体载量从62.2重量％增加至64.0重量％。

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  • 来源
    《Fuel》 |2014年第15期|55-61|共7页
  • 作者

    Menghan Xu; Jie Zhang; Haifeng Liu; Hui Zhao; Weifeng Li;

  • 作者单位

    Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, East China University of Science and Technology, No. 130 Meilong Road, Shanghai 200237, People's Republic of ChinaShanghai Engineering Research Center of Coal Gasification, No. 130 Meilong Road, Shanghai 200237, People's Republic of China;

    Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, East China University of Science and Technology, No. 130 Meilong Road, Shanghai 200237, People's Republic of ChinaShanghai Engineering Research Center of Coal Gasification, No. 130 Meilong Road, Shanghai 200237, People's Republic of China;

    Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, East China University of Science and Technology, No. 130 Meilong Road, Shanghai 200237, People's Republic of ChinaShanghai Engineering Research Center of Coal Gasification, No. 130 Meilong Road, Shanghai 200237, People's Republic of China;

    Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, East China University of Science and Technology, No. 130 Meilong Road, Shanghai 200237, People's Republic of ChinaShanghai Engineering Research Center of Coal Gasification, No. 130 Meilong Road, Shanghai 200237, People's Republic of China;

    Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, East China University of Science and Technology, No. 130 Meilong Road, Shanghai 200237, People's Republic of ChinaShanghai Engineering Research Center of Coal Gasification, No. 130 Meilong Road, Shanghai 200237, People's Republic of 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

    Oily sludge; Coal; Co-gasification; Coal-water slurry; Rheological characteristics;

    机译：油性污泥;煤;共气化;水煤浆;流变特性;

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