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首页> 外文期刊>Quimica nova >Study of adsorption of sulphur compounds employing a comercial diesel dopped with benzothiophene and dibenzothiophene
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Study of adsorption of sulphur compounds employing a comercial diesel dopped with benzothiophene and dibenzothiophene

机译：掺有苯并噻吩和二苯并噻吩的商用柴油吸附硫化合物的研究

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Desulphurization process by adsorption was studied employing a commercial diesel dooped with 1000 mg/L of benzothiophene and dibenzothiophene. The adsorbents materials employed were three types of activated alumina (acid, basic and neutral). For comparison, adsorption process was made also using oxidized diesel sample. The results showed that the adsorbents were selective for sulphur compounds removal from fuels. The contact time have influence in adsorption process achieving 80% of removal for not oxidized dibenzothiophene. The three studied alumina types showed similar behavior and a greater selective in dibenzothiophene adsorption than benzothiophene. Dibenzothiophene removal is more effective in samples not oxidized, whereas the benzothiophene was almost totally removed in oxidized sample.
机译：采用掺有1000 mg / L苯并噻吩和二苯并噻吩的商业柴油，研究了吸附脱硫过程。使用的吸附剂材料是三种类型的活性氧化铝（酸，碱性和中性）。为了比较，也使用氧化柴油样品进行吸附过程。结果表明，吸附剂对去除燃料中的硫化合物具有选择性。接触时间对吸附过程有影响，对于未氧化的二苯并噻吩，可达到80％的去除率。三种研究的氧化铝类型显示出相似的行为，并且对二苯并噻吩的吸附选择性比苯并噻吩更大。在未氧化的样品中，二苯并噻吩的去除效果更好，而在氧化后的样品中，苯并噻吩的去除率几乎是完全的。

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