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Oxy-fuel technology: An experimental investigations into oil shale combustion under oxy-fuel conditions

机译：含氧燃料技术：含氧燃料条件下油页岩燃烧的实验研究

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摘要

Oil shale utilization has received much attention all over the world due to the rise of oil-prices; Jordan is one of the countries that have just started an intensive research for oil shale utilization. In this study the feasibility of oil shale combustion under oxy-fuel conditions was investigated using a 20 kW Once-Through reactor at a combustion temperature of 1200 ℃. To the investigators best knowledge, this is the first time that oxy-fuel technology is applied for oil shale combustion. So this study is'considered a unique with respect to the conditions and the scale of the combustion experiments. Jordanian oil shale samples from El-Lajjun was used. Unstaged air-firing and oxy-fuel combustion were investigated to study oil shale combustion behaviour. It is found that direct combustion of oil shale under oxy-fuel conditions is feasible, 100% oil shale burnout was achieved for OF27 combustion as well as air-firing. In addition, the high S content in oil shale is a well known problem; our study aims to find if oxy-fuel conditions will affect SO_2 emissions as well as NO emissions. It is found that SO_2 emissions during oil shale combustion under oxy-fuel conditions is lower than air-firing by around 30%. In addition, NO_X emission was also found to be lower and can be reduced efficiently by adopting staged combustion technology under oxy-fuel conditions as well as air-firing, however, the oxy-fuel investigations were carried out without flue gas recirculation.
机译：由于油价上涨，油页岩的利用受到了全世界的关注。约旦是刚刚开始进行油页岩利用深入研究的国家之一。在这项研究中，使用20 kW直通式反应堆在1200℃的燃烧温度下研究了含氧燃料条件下油页岩燃烧的可行性。据研究人员所知，这是首次将氧燃料技术用于油页岩燃烧。因此，该研究在燃烧实验的条件和规模上被认为是独特的。使用了来自El-Lajjun的约旦油页岩样品。为了研究油页岩的燃烧行为，对无级空气燃烧和含氧燃料燃烧进行了研究。发现在含氧燃料条件下油页岩的直接燃烧是可行的，OF27燃烧和空燃达到了100％的油页岩燃尽。另外，油页岩中高的S含量是一个众所周知的问题。我们的研究旨在发现含氧燃料条件是否会影响SO_2排放以及NO排放。发现在含氧燃料条件下油页岩燃烧期间的SO_2排放量比空气燃烧低约30％。另外，还发现通过在氧气燃料条件下采用分段燃烧技术以及进行空气燃烧，可以降低NO_X排放并且可以有效地减少NO_X排放，但是，在不进行烟气再循环的情况下进行了氧气燃料研究。

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  • 来源
    《Fuel》 |2013年第1期|421-429|共9页
  • 作者

    L. Al-Makhadmeh; J. Maier; M. Al-Harahsheh; G. Scheffknecht;

  • 作者单位

    Department of Environmental Engineering, Al-Hussein Bin Talal University, Ma'an 71111, Jordan;

    Institute of Combustion and Power Plant Technology (IFK), University of Stuttgart, Pfaffenwaldring 23, 70569 Stuttgart, Germany;

    Department of Mining Engineering, Al-Hussein Bin Talal University, Ma'an 71111, Jordan,Department of Chemical Engineering, Jordan University of Science and Technology, Irbid 22110, Jordan;

    Institute of Combustion and Power Plant Technology (IFK), University of Stuttgart, Pfaffenwaldring 23, 70569 Stuttgart, Germany;

  • 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

    oxy-fuel; combustion; oil shale; SO_2; NO;

    机译：含氧燃料燃烧;油页岩;SO_2;没有;

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