Process Parameters and Intensification Effects of a Microwave Exposure Applied for the Extractive Oxidation of Diesel: An Optimization Using Response Surface Methodology

IF 1.3 4区工程技术 Q3 CHEMISTRY, ORGANIC

Petroleum Chemistry Pub Date : 2024-04-03 DOI:10.1134/S096554412401002X

Karim Bedoud, Souad Hammadou née Mesdour, Djamila Boufades, Anissa Moussiden, Hafsa Benmabrouka, Boudjema Hamada, Omar Kaddour

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Abstract

Extractive oxidation of diesel via microwave processing using sulfuric acid and two synthesized pyridinium- or methylpyridinium-based ionic liquids has been studied as a sustainable and clean technology. The Central Composite Design (CCD) representing one of the response surface methods was applied for the experimental design, mathematical modeling, optimization, and factor-influence study, which covered the 0.75–1.75 [CH₂COOHmPy][HSO₄]/[H₂SO₄] volumetric range, 40–80°C temperature range, and 120–300 s radiation exposure time. The developed model properly fitted experimental results, with a coefficient of determination (R²) equal to 0.9832 that indicated its accuracy. The highest predicted sulfur removal (93.338%) as well as a significant removal of nitrogen and aromatic compounds was obtained for [CH₂COOHmPy][HSO₄]/[H₂SO₄] = 1.57, T = 71.7°C, and exposure time equal to 208 s. Microwave-assisted extractive oxidation demonstrated a considerable potential as the energy-saving technology, which meets the future need for producing clean fuels with low content of heteroatoms and polyaromatic hydrocarbons.

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用于柴油萃取氧化的微波曝露的工艺参数和强化效果：利用响应面方法进行优化

摘要利用硫酸和两种合成的吡啶鎓或甲基吡啶鎓离子液体，通过微波处理对柴油进行萃取氧化，作为一种可持续的清洁技术进行了研究。实验设计、数学建模、优化和因素影响研究采用了代表响应面方法之一的中央复合设计（CCD），涵盖了 0.75-1.75 [CH2COOHmPy][HSO4]/[H2SO4] 的体积范围、40-80°C 的温度范围和 120-300 秒的辐射时间。所建立的模型与实验结果完全吻合，其判定系数（R2）为 0.9832，表明其准确性很高。在[CH2COOHmPy][HSO4]/[H2SO4]=1.57、T=71.7°C、辐照时间等于 208 秒时，硫的预测去除率最高（93.338%），氮和芳香族化合物的去除率也很显著。

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来源期刊

Petroleum Chemistry 工程技术-工程：化工

CiteScore

2.50

自引率

21.40%

发文量

102

审稿时长

6-12 weeks

期刊介绍： Petroleum Chemistry (Neftekhimiya), founded in 1961, offers original papers on and reviews of theoretical and experimental studies concerned with current problems of petroleum chemistry and processing such as chemical composition of crude oils and natural gas liquids; petroleum refining (cracking, hydrocracking, and catalytic reforming); catalysts for petrochemical processes (hydrogenation, isomerization, oxidation, hydroformylation, etc.); activation and catalytic transformation of hydrocarbons and other components of petroleum, natural gas, and other complex organic mixtures; new petrochemicals including lubricants and additives; environmental problems; and information on scientific meetings relevant to these areas. Petroleum Chemistry publishes articles on these topics from members of the scientific community of the former Soviet Union.