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Hydrodearomatization of Distillates and Heavy Naphtha over a Precious Metal Hydrogenation Catalyst and the Determination of Low Aromatic Content
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2018-08-30 , DOI: 10.1021/acs.iecr.8b02909 Yassin Al Obaidi 1 , Mike Kozminski 1 , Joshua Ward 1 , Matthew Johnson 1 , Jeffrey M. Guevremont 1
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2018-08-30 , DOI: 10.1021/acs.iecr.8b02909 Yassin Al Obaidi 1 , Mike Kozminski 1 , Joshua Ward 1 , Matthew Johnson 1 , Jeffrey M. Guevremont 1
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Because of new regulations on the allowable aromatic content in petroleum products, the saturation of aromatics in distillates and heavy naphtha is gaining more attention. Catalytic hydrodearomatization (HDA) improves the qualities and properties of distillates for health, food, and pharmaceutical applications. In this research, the aromatic content of the four different middle distillate fractions varies from 10 to 12% volume. The goal is to saturate the aromatics to <0.1% volume at pressures, temperatures, and space velocities that are optimized for the lowest operating cost and longest catalyst life. Additionally, this study aims to determine if HDA is more favorable for processing the individual distillate cuts or the comingled products. This study also utilizes a modified high-performance liquid chromatography refractive index (HPLC-RI) method in which an ultraviolet (UV) detector is used to measure low levels of aromatics. A combination of UV and HPLC techniques was able to quantify aromatic levels as low as 0.03% v/v and 0.01% v/v, respectively.
中文翻译：
贵金属加氢催化剂上馏出物和重石脑油的加氢脱芳香化及低芳烃含量的测定
由于有关石油产品中允许的芳烃含量的新规定，馏分油和重石脑油中芳烃的饱和度越来越受到关注。催化加氢脱芳香化作用（HDA）改善了健康，食品和制药应用中馏出物的质量和性能。在这项研究中，四种不同的中间馏分的芳烃含量从10％到12％不等。目标是在压力，温度和空速下，将芳烃饱和至<0.1％的体积，并针对最低的运行成本和最长的催化剂寿命进行了优化。此外，本研究旨在确定HDA是否更适合于处理单独的馏出馏分或混合产品。这项研究还利用改进的高效液相色谱折光率（HPLC-RI）方法，其中使用紫外线（UV）检测器来测量低含量的芳烃。UV和HPLC技术的结合能够分别定量低至0.03％v / v和0.01％v / v的芳烃含量。
更新日期：2018-08-30
中文翻译：
贵金属加氢催化剂上馏出物和重石脑油的加氢脱芳香化及低芳烃含量的测定
由于有关石油产品中允许的芳烃含量的新规定，馏分油和重石脑油中芳烃的饱和度越来越受到关注。催化加氢脱芳香化作用（HDA）改善了健康，食品和制药应用中馏出物的质量和性能。在这项研究中，四种不同的中间馏分的芳烃含量从10％到12％不等。目标是在压力，温度和空速下，将芳烃饱和至<0.1％的体积，并针对最低的运行成本和最长的催化剂寿命进行了优化。此外，本研究旨在确定HDA是否更适合于处理单独的馏出馏分或混合产品。这项研究还利用改进的高效液相色谱折光率（HPLC-RI）方法，其中使用紫外线（UV）检测器来测量低含量的芳烃。UV和HPLC技术的结合能够分别定量低至0.03％v / v和0.01％v / v的芳烃含量。
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