Fabrication of Zn and Mn loaded activated carbon derived from corn cobs for the adsorptive desulfurization of model and real fuel oils

Muhammad, Yaseen; Ullah, Sana; Ahmad, Waqas; Subhan, Sidra; Subhan, Fazle

doi:10.1016/j.fuel.2020.119102

Cited by 108 publications

(88 citation statements)

References 63 publications

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“…It was discovered that molybdenum modi ed nitrogen doped activated carbon AC-N-Mo showed a moderately higher adsorption capacities when compared with adsorbents that were reported in a similar research papers (Ganiyu et al 2016;. Whereas, some authors have reported a higher adsorption capacities for DBT as compared to this current study (Nazal et al 2019;Yaseen et al 2021).…”

Section: Adsorption Evaluation Of the Developed Adsorbentssupporting

confidence: 46%

Synergy Effect of Nitrogen and Molybdenum on Activated Carbon Matrix for Selective Adsorptive Desulfurization: Insights into Surface Chemistry Modification

Azeez

Tanimu

Alhooshani

et al. 2021

Preprint

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This study reports the synthesis of mesoporous metal-modified nitrogen doped activated carbon (AC-N-Mo) from date seeds by ZnCl2 activation and its applicability for selective adsorptive desulfurization of dibenzothiophene (DBT). The AC-N-Mo exhibits higher adsorption capacity for DBT at 100 mg-S/L with the maximum value of 99.7% corresponding to 19.94 mg-S/g at room temperature than the unmodified carbon with 17.96 mg-S/g despite its highest surface area and pore volume of 1027 m2g− 1 and 0.55 cm3g− 1 respectively. The adsorption capacity breakthrough follows the order AC-N-Mo > AC-Mo > AC > AC-N. AC-N-Mo also displayed excellent selectivity in the presence of aromatics (toluene, naphthalene and 1-methylisoquinoline). The enhancement in the DBT uptake capacities of AC-N-Mo is attributed to synergy effect of nitrogen heteroatom that aid well dispersion of molybdenum nanoparticles on carbon surface thereby improving its surface chemistry and promising textural characteristics. The kinetic studies showed that the DBT adsorption proceeds via pseudo-second order kinetics while the isotherm revealed that both Freundlich and Langmuir fit the data but Freundlich fit the data more accurately for the best performing adsorbent. The physico-chemical properties (surface area, pore volume, carbon content, particle size etc.) of as-prepared adsorbents namely; AC, AC-N, AC-N-Mo and AC-Mo were characterized by N2- physisorption, X-ray Diffraction (XRD), X-ray Photoelectron Spectroscopy (XPS), Scanning Electron Spectroscopy/Energy Dispersive Spectroscopy (SEM/EDS), Raman Spectroscopy (RS), Fourier Transform Infrared Spectroscopy (FTIR) and Ammonia-Temperature-Programmed Desorption (NH3-TPD).

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Section: Adsorption Evaluation Of the Developed Adsorbentssupporting

confidence: 46%

Synergy Effect of Nitrogen and Molybdenum on Activated Carbon Matrix for Selective Adsorptive Desulfurization: Insights into Surface Chemistry Modification

Azeez

Tanimu

Alhooshani

et al. 2021

Preprint

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“…To eliminate these disadvantages, alternative desulfurization processes such as adsorptive desulfurization [8] , extractive desulfurization [9] , oxidative desulfurization [10] , biodesulfurization [11] are used. Among them, the most advantageous and promising method is oxidative desulfurization (ODS).…”

Section: Introductionmentioning

confidence: 99%

Sono-oxidative desulfurization of fuels using heterogeneous and homogeneous catalysts: A comprehensive review

Albayrak

Tavman

2022

Ultrasonics Sonochemistry

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“…38 By comparing the UV−vis spectra of TBAPMo 11 Cu@CuO hybrid nanocatalyst with those of pure TBAPMo 11 Cu and CuO, it could be found that the sharp peaks at 213 and 225 nm show slight shifts in the TBAPMo 11 Cu@CuO structure due to intermolecular electronic interactions between TBAPMo 11 Cu and CuO. 39 Figure 3a copper oxide phase (JCPDF 00-74-1021). 31,32 For X-ray diffraction patterns of bulk TBAPMo 11 Cu (JCPDF 00-021-0569), the peaks at 2θ = 2θ = (100) 10.4°, (110) 18.8°, (200) 22.3°, (210) 27.1°, (300) 30.5°, (310) 36.2°, and (320) 43.1°c orrespond to the molybdenum trioxide species.…”

Section: Methodsmentioning

confidence: 99%

Oxidative Desulfurization and Denitrogenation of Simulated Fuels Catalyzed by TBAPMo₁₁Cu@CuO as a High-Performance and Recoverable Heterogeneous Phase-Transfer Catalyst

2020

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Aimed at catalytic oxidative desulfurization (cat-ODS) of sulfur-containing aromatic compounds (SAs) and catalytic oxidative denitrogenation (cat-ODN) of nitrogen-containing aromatic components (NAs) to control air pollution, we successfully designed and synthesized a new green catalyst (named as TBAPMo11Cu@CuO) based on quaternary ammonium salt of copperII-monosubstituted phosphomolybdate [(n-C4H9)4N][PMo11CuO39] (TBAPMo11Cu) and copper oxide (CuO) via a sol–gel method. Cat-ODS and cat-ODN processes of SAs (thiophene (Th) and dibenzothiophene (DBT)), NAs (pyridine (Py) and carbazole (CBZ)) were carried out using hydrogen peroxide green oxidant and poly(ethylene glycol) (PEG-200), which is considered as a green extractant over a TBAPMo11Cu@CuO catalyst. This new catalyst demonstrated a superb catalytic activity in the oxidation of SAs and NAs and long-term stability for producing ultraclean fuels: 97, 98, 99, and 98% values of conversion were obtained for Th, DBT, Py, and CBZ, respectively, at 35 °C. The results proved that Th and DBT were converted to the corresponding sulfoxides and sulfones, while Py and CBZ were oxidized to the corresponding N-oxides. Accordingly, the oxidized product of CBZ was identified as carbazole-9-carbaldehyde. Also, the removal of a considerable amount of Th, DBT, Py, and CBZ is possible via catalytic oxidation–extraction; however, simple solvent extraction (using methanol, ethanol, and acetonitrile) was inadequate for deep denitrogenation and desulfurization. TBAPMo11Cu@CuO as a catalyst indicated excellent reusability for five oxidation cycles. The high performance of TBAPMo11Cu@CuO/H2O2/PEG-200 can prove it as a promising green method for fuel purification.

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Fabrication of Zn and Mn loaded activated carbon derived from corn cobs for the adsorptive desulfurization of model and real fuel oils

Cited by 108 publications

References 63 publications

Synergy Effect of Nitrogen and Molybdenum on Activated Carbon Matrix for Selective Adsorptive Desulfurization: Insights into Surface Chemistry Modification

Synergy Effect of Nitrogen and Molybdenum on Activated Carbon Matrix for Selective Adsorptive Desulfurization: Insights into Surface Chemistry Modification

Sono-oxidative desulfurization of fuels using heterogeneous and homogeneous catalysts: A comprehensive review

Oxidative Desulfurization and Denitrogenation of Simulated Fuels Catalyzed by TBAPMo₁₁Cu@CuO as a High-Performance and Recoverable Heterogeneous Phase-Transfer Catalyst

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Fabrication of Zn and Mn loaded activated carbon derived from corn cobs for the adsorptive desulfurization of model and real fuel oils

Cited by 108 publications

References 63 publications

Synergy Effect of Nitrogen and Molybdenum on Activated Carbon Matrix for Selective Adsorptive Desulfurization: Insights into Surface Chemistry Modification

Synergy Effect of Nitrogen and Molybdenum on Activated Carbon Matrix for Selective Adsorptive Desulfurization: Insights into Surface Chemistry Modification

Sono-oxidative desulfurization of fuels using heterogeneous and homogeneous catalysts: A comprehensive review

Oxidative Desulfurization and Denitrogenation of Simulated Fuels Catalyzed by TBAPMo11Cu@CuO as a High-Performance and Recoverable Heterogeneous Phase-Transfer Catalyst

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Oxidative Desulfurization and Denitrogenation of Simulated Fuels Catalyzed by TBAPMo₁₁Cu@CuO as a High-Performance and Recoverable Heterogeneous Phase-Transfer Catalyst