Enhancement of Desulfurization Process for Light Gas Oil Using New Zinc Oxide Loaded Over Alumina Nanocatalyst

Q2 Engineering Applied Science and Engineering Progress Pub Date : 2023-02-15 DOI:10.14416/j.asep.2023.02.007

A. Aabid, Jasim I. Humadi, Ghazwan S. Ahmed, A. Jarullah, Mustafa Abdulbari Ahmed, Waqas Abdullah

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引用次数: 5

Abstract

This work reports the removal of dibenzothiophene (DBT) via an oxidative desulfurization (ODS) process over Zn/Al2O3 catalyst utilizing H2O2 as an oxidizing agent. The influence of operating parameters, such as reaction temperature, time was investigated. Results clarified that recognizably high DBT elimination of 93.781% has been achieved within 80 min using 0.1 g (9% Zn/Al2O3) catalyst at 90 °C reaction temperature. It was observed that an overall ODS catalytic efficiency order of: 9% ZnO/γ-Al2O3> 6% ZnO/γ-Al2O3> 3% ZnO/γ-Al2O3. Discernment of the surface morphology and textural properties of prepared nano-catalysts were characterized utilizing X-ray diffraction (XRD), scanning electron microscopy (SEM), fourier transform infrared (FTIR) and BET surface area analysis, which assisted in evaluating the performance of the prepared nano-catalysts. Owing to its highly effective nature, operation at moderate conditions and cost-effectiveness, this work can be conceived as an efficient methodology for the ODS operation of fuel oils on an industrial scale.

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新型氧化锌负载氧化铝纳米催化剂对轻质油脱硫工艺的改进

本工作报道了利用H2O2作为氧化剂，在Zn/Al2O3催化剂上通过氧化脱硫（ODS）工艺去除二苯并噻吩（DBT）。考察了反应温度、反应时间等操作参数对反应的影响。结果表明，在90°C的反应温度下，使用0.1g（9%Zn/Al2O3）催化剂在80分钟内实现了93.781%的明显高DBT消除。结果表明，ODS的总催化效率为：9%ZnO/γ-Al2O3＞6%ZnO/。利用X射线衍射（XRD）、扫描电子显微镜（SEM）、傅立叶变换红外光谱（FTIR）和BET表面积分析对所制备的纳米催化剂的表面形貌和织构进行了表征，有助于评价所制备纳米催化剂的性能。由于这项工作的高效性、在中等条件下的操作和成本效益，可以将其视为在工业规模上进行消耗臭氧层物质燃料油操作的一种有效方法。

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来源期刊

Applied Science and Engineering Progress Engineering-Engineering (all)

CiteScore

4.70

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0.00%

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