Optimization of extractive desulfurization of Malaysian diesel fuel using response surface methodology/Box-Behnken design

被引:22
|
作者
Mokhtar, Wan Nur Aini Wan [1 ]
Abu Bakar, Wan Azelee Wan [1 ]
Ali, Rusmidah [1 ]
Kadir, Abdul Aziz Abdul [2 ]
机构
[1] Univ Teknol Malaysia, Fac Sci, Dept Chem, Utm Skudai 81310, Johor, Malaysia
[2] Univ Teknol Malaysia, Fac Chem & Nat Resources Engn, Dept Petr Engn, Utm Skudai 81310, Johor, Malaysia
关键词
Extractive desulfurization; Dimethylformamide; Low sulfur diesel; Box-Behnken design; SCIENCE-AND-TECHNOLOGY; DEEP DESULFURIZATION; SELECTION;
D O I
10.1016/j.jiec.2015.05.033
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Systematic experiments were conducted to investigate the most appropriate extraction conditions for sulfur reduction. Initial extraction studies showed that DMF was the most potentially effective solvent. The influence of DMF to diesel ratios, extraction times and temperatures, addition of co-solvent, solvent mixtures, double extractions were explored. The use of co-solvent and solvent mixtures showed poor efficiencies of sulfur removal. A two-stage extraction with ratio of 1:1 (DMF/Diesel) was successfully removed over 88.0% of sulfur in diesel. Under Box-Behnken design, the model showed that maximum extraction ability was observed at 30 degrees C, 30 min and 1.0 of DMF/diesel ratio to achieved 67.5%. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:274 / 280
页数:7
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