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Efficient solvent regeneration of Basolite C300 used in the liquid-phase adsorption of dibenzothiophene

机译：Basolite C300的高效溶剂再生用于二苯并噻吩的液相吸附

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摘要

The metal-organic framework (MOF) Basolite C300 displays excellent performance for the removal of dibenzothiophene (DBT) in a model system consisting in DBT in a mixture of 2,2,4-trimethylpentane (TMP). With the aim to exploit this property in a continuous operation, it is imperative to develop a simple and effective regeneration procedure. Our previous work (Fuel 105 (2013) 459-465) demonstrated that there is only partial thermal regeneration of this system at 473 K, which makes this approach of limited value. In the present work, we developed a significantly more effective regeneration procedure in which the DBT-saturated MOF C300 system was washed with polar solvents, such as methanol, ethanol and isopropanol. It was found that regeneration using methanol as a solvent at temperatures near ambient (304 K) is highly effective and allows for the recovery of the initial adsorption capacity. After several regeneration cycles, both the crystallinity and the initial sorption capacity of the C300 system are essentially unchanged.
机译：金属有机骨架（MOF）Basolite C300在由DBT组成的2,2,4-三甲基戊烷（TMP）混合物的模型系统中显示出优异的去除二苯并噻吩（DBT）的性能。为了在连续操作中利用此特性，必须开发一种简单有效的再生程序。我们之前的工作（燃料105（2013）459-465）证明，该系统在473 K时仅发生部分热再生，这使这种方法的价值有限。在当前的工作中，我们开发了一种更为有效的再生程序，其中用极性溶剂（例如甲醇，乙醇和异丙醇）洗涤DBT饱和的MOF C300系统。发现在接近环境温度（304K）的温度下使用甲醇作为溶剂的再生是非常有效的，并且允许恢复初始吸附容量。经过几个再生循环后，C300系统的结晶度和初始吸附容量基本不变。

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  • 来源
    《Fuel》 |2013年第11期|216-220|共5页
  • 作者

    G. Blanco-Brieva; J.M. Campos-Martin; S.M. Al-Zahrani; J.L.G. Fierro;

  • 作者单位

    Sustainable Energy and Chemistry Group (EQS), Instituto de Catalisis y Petroleoquimica, CSIC, c/Marie Curie, 2 Cantoblanco, 28049 Madrid, Spain;

    Sustainable Energy and Chemistry Group (EQS), Instituto de Catalisis y Petroleoquimica, CSIC, c/Marie Curie, 2 Cantoblanco, 28049 Madrid, Spain;

    Chemical Engineering Department, College of Engineering, King Saud University, Riyadh, Saudi Arabia;

    Sustainable Energy and Chemistry Group (EQS), Instituto de Catalisis y Petroleoquimica, CSIC, c/Marie Curie, 2 Cantoblanco, 28049 Madrid, Spain;

  • 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

    Metal-organic frameworks; Sulfur compounds; Adsorption; Regeneration;

    机译：金属有机框架;硫化合物;吸附;再生;

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