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A review of upgrading heavy oils with supercritical fluids

机译：超临界流体升级重油综述

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摘要

Due to the decrease in light crude oil and the ever-increasing demand for the upgrading of heavy oils, the development of new heavy oil processing technologies has been attracting wide attention. Using supercritical fluids (SCFs) as the reaction medium has great advantages for upgrading heavy oils. The upgrading processes which employ supercritical water (SCW) without catalysts and the effects of different operating conditions are summarized in this work. The temperature and the density of SCW are of great significance to upgrading processes. The upgrading process through partial oxidation and the water gas shift reaction is further discussed. The processes employing other SCFs with different kinds of catalysts are also summarised. Additionally, the role of the SCFs during the upgrading is discussed. According to the development of the upgrading of heavy oils with SCFs, some strategies are proposed to improve the quality of the products and to reduce the coke yield.
机译：由于浅劣原油和升级升级需求的不断增加，新型重油加工技术的发展一直引起广泛的关注。 使用超临界流体（SCFS）作为反应介质对升级重油具有很大的优势。 在这项工作中总结了使用没有催化剂的超临界水（SCW）的升级过程和不同操作条件的影响。 SCW的温度和密度对升级过程具有重要意义。 进一步讨论了通过部分氧化和水煤气变换反应的提升过程。 还总结了采用不同种类催化剂的其他SCF的方法。 此外，讨论了SCFS在升级期间的作用。 根据开发升级重油与SCFS，提出了一些策略来提高产品质量，并降低焦炭产量。

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  • 来源
    《RSC Advances》 |2015年第92期|共12页
  • 作者

    Yan Ting; Xu Jie; Wang Litao; Liu Yindong; Yang Chun; Fang Tao;

  • 作者单位

    Xi An Jiao Tong Univ Dept Chem Engn Xian 710049 Shanxi Peoples R China;

    Xi An Jiao Tong Univ Dept Chem Engn Xian 710049 Shanxi Peoples R China;

    Petrochem Res Inst Project Off Heavy Light Convers Fushun Liaoning Peoples R China;

    Petrochem Res Inst Project Off Heavy Light Convers Fushun Liaoning Peoples R China;

    Xi An Jiao Tong Univ Affiliated Hosp 1 Dept Cardiol Xian 710049 Shanxi Peoples R China;

    Xi An Jiao Tong Univ Dept Chem Engn Sch Chem Engn &

    Technol Xian 710049 Shanxi Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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