Extractive desulfurization of model fuel oil using ester functionalized imidazolium ionic liquids

Raj, Jaganathan Joshua; Sivapragasam, Magaret; Matheswaran, Pranesh; Lethesh, Kallidanthiyil Chellappan; Devi, Wilfred Cecilia; Mutalib, M.I. Abdul

doi:10.1016/j.seppur.2017.08.050

Cited by 51 publications

(31 citation statements)

References 64 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The study shown that ionic liquid [bmim][AlCl4] at mild conditions (room temperature) and sevenstage extraction allows to achieve 97 % for gasoline, 47 % for kerosene and 55 % for gas oil extraction of sulfur compounds. Raj and coauthors [150] presented ester functionalized imidazolium ionic liquidsfor EDS, where [C2COOCH3ImC6H13][N(CN)2] showed more than 80 % extractive ability of dibenzothiophene (DBT) at room temperature. Moreover, this study has proven that ester anions make ILs less toxic.…”

Section: Desulfurization Of Fuels Using Ionic Liquidsmentioning

confidence: 99%

Ionic liquids assisted desulfurization and denitrogenation of fuels

Zolotareva

Zazybin

Rafikova

et al. 2019

Vietnam Journal of Chemistry

View full text Add to dashboard Cite

show abstract

Section: Desulfurization Of Fuels Using Ionic Liquidsmentioning

confidence: 99%

Ionic liquids assisted desulfurization and denitrogenation of fuels

Zolotareva

Zazybin

Rafikova

et al. 2019

Vietnam Journal of Chemistry

View full text Add to dashboard Cite

show abstract

“…Presence of high levels of organic sulfur compounds (OSCs) in liquid fuels is the main source of air pollution. In order to reduce air impurities, strict regulations have been imposed to reduce the OSCs of liquid fuels to a very low level . To obtain the quality demands of liquid fuels with low‐level of OSCs, many alternative technologies have been used such as selective adsorption, extraction, biodesulfurization, hydrodesulfurization, and oxidative desulfurization (ODS) .…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of New Inorganic‐Organic Hybrid Nanocomposite PMo₁₁Cu@MgCu₂O₄@CS as an Efficient Heterogeneous Nanocatalyst for ODS of Real Fuel

et al. 2019

View full text Add to dashboard Cite

In this work, a new nanocomposite (PMo11Cu@MgCu2O4@CS) was synthesized by reaction of copperII‐monosubstituted phosphomolybdate (PMo11Cu), magnesiocopperite (MgCu2O4) and Chitosan (CS) via the sol‐gel method. The assembled nanocomposite was characterized by FTIR, XRD, SEM. The catalytic activity of the nanocomposite was tested on oxidative desulfurization (ODS) of real gasoline in the presence of CH3COOH/H2O2 in the volume ratio of 1/2 as an oxidant. Additionally, the results were compared with the oxidation reaction of prepared model sulfur compounds at the same conditions. The ODS results showed that immobilized of PMo11Cu on the CS and MgCu2O4 nanoceramic increased the efficiency and activity of the PMo11Cu in the removal of organic sulfur compounds (OSCs). The PMo11Cu@CS @MgCu2O4 could be reused for at least five times without notable reduction in efficiency of ODS system. This investigation presents a promising approach to the efficient removal of OSCs from gasoline using PMo11Cu@MgCu2O4@CS catalyst under mild reaction conditions.

show abstract

“…However, harsh reaction conditions including high temperature, high pressure, and large hydrogen consumption must be provided for hydrodesulfurization, and its removal efficiency for heteroaromatic sulfur compounds such as benzothiophene (BT), dibenzothiophene (DBT), and 4,6‐dimethyldibenzothiophene (4,6‐DMDBT) is not satisfactory due to the steric hindrance effect on the S atom. Therefore, it is imperative to explore new desulfurization methods as a complement or alternative for the conventional process, and recent studies on this topic have focused on extraction, adsorption, biodesulfurization, pervaporation, and oxidative desulfurization (ODS) . Among these methods, ODS has been critically acclaimed by various researchers, because of its mild reaction conditions and high efficiency for the removal of heteroaromatic sulfur compounds.…”

Section: Introductionmentioning

confidence: 99%

Ultradeep desulfurization of model oil through the oxidative adsorption process using Dawson‐type polyoxometalates and graphene oxide multifunctional composites

Dou

Wang

2019

Applied Organom Chemis

View full text Add to dashboard Cite

Eight Dawson-type polyoxometalates were successfully prepared and used in an octanal/air oxidative desulfurization (ODS) system for model oil. Among which, the classical 2:18 polyoxometalate K 6 [α-P 2 W 18 O 62 ]·14H 2 O exhibited the best catalytic performance with a sulfur removal ratio of 99.63%. Then, K 6 [α-P 2 W 18 O 62 ]·14H 2 O was supported on graphene oxide (GO) to afford K 6 P 2 W 18 O 62 /GO using the hydrothermal method. Due to the in situ adsorption of the supported catalysts in the ODS process, the sulfur removal ratio was 96.10% without extraction treatment. Compared with the octanal/air ODS system using pure GO as an adsorbent for the oxidation products, the sulfur removal ratio increased from 89.21 to 96.10%, and the n-octanal/S molar ratio decreased from 24 to 4. To facilitate the recycling of the catalyst and avoid catalyst loss, K 6 [α-P 2 W 18 O 62 ]·14H 2 O was supported on magnetic graphene oxide (mGO) to afford K 6 P 2 W 18 O 62 /mGO. The results showed that the supported catalyst could be easily recovered with the aid of an external magnetic field, while maintaining high catalytic activity during five cycles of reuse with little catalyst loss. Furthermore, all the prepared materials were analyzed by a series of characterizations, and the reaction mechanism of the studied system was proposed through contrast tests and GC-MS characterization analysis.

show abstract

Extractive desulfurization of model fuel oil using ester functionalized imidazolium ionic liquids

Cited by 51 publications

References 64 publications

Ionic liquids assisted desulfurization and denitrogenation of fuels

Ionic liquids assisted desulfurization and denitrogenation of fuels

Synthesis and Characterization of New Inorganic‐Organic Hybrid Nanocomposite PMo₁₁Cu@MgCu₂O₄@CS as an Efficient Heterogeneous Nanocatalyst for ODS of Real Fuel

Ultradeep desulfurization of model oil through the oxidative adsorption process using Dawson‐type polyoxometalates and graphene oxide multifunctional composites

Contact Info

Product

Resources

About

Extractive desulfurization of model fuel oil using ester functionalized imidazolium ionic liquids

Cited by 51 publications

References 64 publications

Ionic liquids assisted desulfurization and denitrogenation of fuels

Ionic liquids assisted desulfurization and denitrogenation of fuels

Synthesis and Characterization of New Inorganic‐Organic Hybrid Nanocomposite PMo11Cu@MgCu2O4@CS as an Efficient Heterogeneous Nanocatalyst for ODS of Real Fuel

Ultradeep desulfurization of model oil through the oxidative adsorption process using Dawson‐type polyoxometalates and graphene oxide multifunctional composites

Contact Info

Product

Resources

About

Synthesis and Characterization of New Inorganic‐Organic Hybrid Nanocomposite PMo₁₁Cu@MgCu₂O₄@CS as an Efficient Heterogeneous Nanocatalyst for ODS of Real Fuel