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首页> 外文期刊>Energy & fuels >SOx/NOx Removal from Flue Gas Streams by Solid Adsorbents: A Review of Current Challenges and Future Directions
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SOx/NOx Removal from Flue Gas Streams by Solid Adsorbents: A Review of Current Challenges and Future Directions

机译：固体吸附剂去除烟道气中的SOx / NOx：当前挑战和未来方向的回顾

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摘要

One of the main challenges in the power and chemical industries is to remove generated toxic or environmentally harmful gases before atmospheric emission. To comply with stringent environmental and pollutant emissions control regulations, coal-fired power plants must be equipped with new technologies that are efficient and less energy-intensive than status quo technologies for flue gas cleanup. While conventional sulfur oxide (SOx) and nitrogen oxide (NOx) removal technologies benefit from their large-scale implementation and maturity, they are quite energy-intensive. In view of this, the development of lower-cost, less energy-intensive technologies could offer an advantage. Significant energy and cost savings can potentially be realized by using advanced adsorbent materials. One of the major barriers to the development of such technologies remains the development of materials that are efficient and productive in removing flue gas contaminants. In this review, adsorption-based removal of SOx/NOx impurities from flue gas is discussed, with a focus on important attributes of the solid adsorbent materials as well as implementation of the materials in conventional and emerging acid gas removal technologies. The requirements for effective adsorbents are noted with respect to their performance, key limitations, and suggested future research directions. The final section includes some key areas for future research and provides a possible roadmap for the development of technologies for the removal of flue gas impurities that are more efficient and cost-effective than status quo approaches.
机译：电力和化学工业的主要挑战之一是在大气排放之前去除产生的有毒或对环境有害的气体。为了遵守严格的环境和污染物排放控制法规，燃煤电厂必须配备比烟道气净化技术更高效，能耗更低的新技术。尽管常规的硫氧化物（SOx）和氮氧化物（NOx）去除技术受益于它们的大规模实施和成熟度，但它们的能源消耗非常大。鉴于此，低成本，低能耗的技术的发展可能会带来优势。通过使用高级吸附剂材料，可以潜在地节省大量能源和成本。研发此类技术的主要障碍之一仍然是高效，高效地去除烟道气污染物的材料的开发。在这篇综述中，讨论了基于吸附的烟道气中SOx / NOx杂质的去除，重点是固体吸附剂材料的重要属性以及在传统和新兴的酸性气体去除技术中材料的实现。关于有效吸附剂的性能，关键限制和建议的未来研究方向，均注明了有效吸附剂的要求。最后一部分包括一些未来研究的关键领域，并提供了开发烟道气杂质技术的路线图，该技术比现状方法更有效，成本效益更高。

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  • 来源
    《Energy & fuels》 |2015年第sepaaocta期|5467-5486|共20页
  • 作者

    Rezaei Fateme; Rownaghi Ali A.; Monjezi Saman; Lively Ryan P.; Jones Christopher W.;

  • 作者单位

    Missouri Univ Sci & Technol, Dept Chem & Biochem Engn, Rolla, MO 65409 USA;

    Missouri Univ Sci & Technol, Dept Chem & Biochem Engn, Rolla, MO 65409 USA;

    Missouri Univ Sci & Technol, Dept Chem & Biochem Engn, Rolla, MO 65409 USA;

    Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA;

    Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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