Fabrication of dual-mesoporous silica by triblock copolymers and metal-based ionic liquid: efficient and durable catalyst for oxidative desulfurization in fuel

RSC Advances ◽  
2015 ◽  
Vol 5 (126) ◽  
pp. 104322-104329 ◽  
Author(s):  
Lei Yang ◽  
Jun Xiong ◽  
Hongping Li ◽  
Ming Zhang ◽  
Wei Jiang ◽  
...  

The D-MoO3–SiO2 material with two uniform sets of mesopores exhibited a very high efficiency and excellent stability in the oxidative desulfurization of model oil.

RSC Advances ◽  
2015 ◽  
Vol 5 (33) ◽  
pp. 25904-25910 ◽  
Author(s):  
Jizhong Chen ◽  
Chen Chen ◽  
Ran Zhang ◽  
Li Guo ◽  
Li Hua ◽  
...  

Peroxotungsten anion-based ionic liquid-type catalysts carried out the deep desulfurization of model oil with H2O2 under mild and solvent-free conditions with high efficiency.


RSC Advances ◽  
2015 ◽  
Vol 5 (22) ◽  
pp. 16847-16855 ◽  
Author(s):  
Jun Xiong ◽  
Wenshuai Zhu ◽  
Wenjing Ding ◽  
Lei Yang ◽  
Ming Zhang ◽  
...  

The hydrophobic HPMo-IL/SBA-15 material served not only as a high-efficiency catalyst but also as an adsorbent.


2020 ◽  
Vol 310 ◽  
pp. 113146 ◽  
Author(s):  
Hosni Ahmed Elwan ◽  
Magdy T. Zaky ◽  
Amal S. Farag ◽  
Fathi S. Soliman ◽  
M. Ezel Dean Hassan

RSC Advances ◽  
2019 ◽  
Vol 9 (38) ◽  
pp. 21804-21809 ◽  
Author(s):  
WanXin Yang ◽  
Guoqing Guo ◽  
Zhihong Mei ◽  
Yinghao Yu

ILs@MIL-100 composites were synthesized via the wet impregnation method and applied in deep oxidative desulfurization of gasoline with high efficiency.


RSC Advances ◽  
2017 ◽  
Vol 7 (56) ◽  
pp. 34972-34983 ◽  
Author(s):  
Abdolhamid Alizadeh ◽  
Mitra Fakhari ◽  
Mohammad Mehdi Khodeai ◽  
Gisya Abdi ◽  
Jhaleh Amirian

The oxidation of DBT to sulfone catalyzed by Fe3O4/SiO2/ionic liquid.


2014 ◽  
Vol 699 ◽  
pp. 210-214 ◽  
Author(s):  
Hayyiratul Fatimah Mohd Zaid ◽  
Chong Fai Kait ◽  
Muhammad Ibrahim Abdul Mutalib

Titanium dioxide (TiO2) photocatalyts doped with copper metal at different metal loadings were successfully prepared and characterized. Photocatalytic oxidative desulfurization of model oil containing dibenzothiophene as the sulfur compound (100 ppm) was investigated using the prepared photocatalyst. The photocatalyst with 2.0 wt% Cu metal loading showed the best sulfur removal at 66.25%.


KIMIKA ◽  
2013 ◽  
Vol 24 (1) ◽  
pp. 2-7
Author(s):  
Harold Henrison C. Chiu ◽  
Susan D. Arco ◽  
Zhang Chun Ping ◽  
Nelson R. Villarante

The oxidative desulfurization of model oil (hexane solution of thiophene) was carried out at room temperature in a two-step method involving: 1) the acetic acid catalyzed oxidation of thiophene with hydrogen peroxide and 2) the subsequent extraction of the oxidized products with  three  1-alkyl-3-methylimidazolium  bromide  [RMIM]Br  ionic  liquids  of  varying  alkyl substituent R chain length  (R: C2, C4,  C6) and with acetonitrile as control. For purposes of comparison,  a  non-oxidative  extractive  desulfurization  of  model  oil  with  the  above  ionic liquid and with acetonitrile was also performed.  The thiophene extraction efficiencies of the ionic liquids and that of the control in both the oxidative and non-oxidative procedures were determined  by  means  of  gas  chromatography.  The  ionic  liquid  of  the  shortest  alkyl substituent chain length (R: C2), [EMIM] Br exhibited the highest extraction efficiency in the oxidative desulfurization of the model  oil; the extraction efficiency of [EMIM] Br was also observed  to  exceed  that  of  acetonitrile.  In  general,  the  oxidative  desulfurization  with  the above [RMIM]Br’s is apparently a more efficient method of thiophene removal from the model oil as compared to a non-oxidative procedure with the same extraction solvents. The extraction efficiency of [RMIM]Br’s was observed to decrease with the lengthening of the alkyl  substituent  chain.  The  same  trend  is  observed  in  the  non-oxidative  extractive desulfurization of the model oil. Recyclability analysis of [EMIM]Br showed that [EMIM]Br can be recycled thrice with no significant decrease in extraction efficiency.


2020 ◽  
Vol 44 (46) ◽  
pp. 20358-20366
Author(s):  
Yan Gao ◽  
Ziyan Lv ◽  
Ruimin Gao ◽  
Guangfa Hu ◽  
Jianshe Zhao

A kind of supported catalyst was facile synthesized with polyoxometalate based-poly (ionic liquid) as active components and different carbon materials as supporter. The supported catalyst P[C2VP]MoV/AC possesses high activity for 99.4% DBT removal rate.


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