Denitrogenation and desulfurization of model diesel fuel using functionalized polymer: Charge transfer complex formation and adsorption isotherm study

Misra, Prachee; Badoga, Sandeep; Chenna, Akshay; Dalai, Ajay K.; Adjaye, John

doi:10.1016/j.cej.2017.05.033

Cited by 41 publications

(14 citation statements)

References 56 publications

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“…The subsequent HDS process allows achieving ultra deepdesulfurization. Misra et al [239] presented acceptor functionalized polymers as adsorbents for selective joint S and N compounds removal. The adsorbent is selective to quinoline towards 9ethylcarbazole and dibenzothiophene.…”

Section: Simultaneous Removal Of Organosulfur and Organonitrogen Compmentioning

confidence: 99%

Ionic liquids assisted desulfurization and denitrogenation of fuels

Zolotareva

Zazybin

Rafikova

et al. 2019

Vietnam Journal of Chemistry

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Section: Simultaneous Removal Of Organosulfur and Organonitrogen Compmentioning

confidence: 99%

Ionic liquids assisted desulfurization and denitrogenation of fuels

Zolotareva

Zazybin

Rafikova

et al. 2019

Vietnam Journal of Chemistry

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“…Complexation through the CT mechanism enables a long list of applications including studying binding mechanisms of pharmaceutical receptors, studying the pharmacodynamics and thermodynamics of molecules, and anti-inflammatory, antitumor, and antimicrobial studies [ [48] , [49] , [50] , [51] , [52] , [53] , [54] , [55] , [56] , [57] , [58] , [59] , [60] , [61] , [62] , [63] , [64] , [65] , [66] ]. Given the constant increase in the number and types of applications involving CT complexation and the concomitant increase in relevance and attention, extensive research efforts have been dedicated to characterizing the crystallographic, thermodynamic, kinetic, photophysical, and spectral characteristics of CT complexation [ [67] , [68] , [69] , [70] , [71] , [72] , [73] , [74] , [75] , [76] , [77] , [78] , [79] , [80] , [81] , [82] , [83] , [84] , [85] , [86] , [87] , [88] , [89] , [90] , [91] , [92] , [93] , [94] , [95] , [96] , [97] , [98] , [99] , [100] , [101] , [102] , [103] , [104] , [105] , [106] , [107] ,…”

Section: Introductionmentioning

confidence: 99%

Charge-transfer chemistry of azithromycin, the antibiotic used worldwide to treat the coronavirus disease (COVID-19). Part I: Complexation with iodine in different solvents

Adam

Saad

Alsuhaibani

et al. 2021

Journal of Molecular Liquids

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Around the world, the antibiotic azithromycin (AZM) is currently being used to treat the coronavirus disease (COVID-19) in conjunction with hydroxychloroquine or chloroquine. Investigating the chemical and physical properties of compounds used alone or in combination to combat the COVID-19 pandemic is of vital and pressing importance. The purpose of this study was to characterize the charge transfer (CT) complexation of AZM with iodine in four different solvents: CH 2 Cl 2 , CHCl 3 , CCl 4 , and C 6 H 5 Cl. AZM reacted with iodine at a 1:1 M ratio (AZM to I 2 ) in the CHCl 3 solvent and a 1:2 M ratio in the other three solvents, as evidenced by data obtained from an elemental analysis of the solid CT products and spectrophotometric titration and Job's continuous variation method for the soluble CT products. Data obtained from UV–visible and Raman spectroscopies indicated that AZM strongly interacted with iodine in the CH 2 Cl 2 , CCl 4 , and C 6 H 5 Cl solvents by a physically potent n→σ* interaction to produce a tri-iodide complex formulated as [AZM·I + ]I 3 − . XRD and TEM analyses revealed that, in all solvents, the AZM-I 2 complex possessed an amorphous structure composed of spherical particles ranging from 80 to 110 nm that tended to aggregate into clusters. The findings described in the present study will hopefully contribute to optimizing the treatment protocols for COVID-19.

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“…Due to the growth of the world's population, the request for energy is being increased significantly in the world [1,2] . Among all energy sources, fossil fuels are widely used in transportation, solid oxide fuel cells (SOFCs), electrical generators, etc [3–6] .…”

Section: Introductionmentioning

confidence: 99%

Deep Denitrogenation of Model Diesel Fuel Using Ni‐doped Mesoporous Carbon: Synthesis Route and Adsorption Study

Delkhosh

Vahid²,

Baniyaghoob

et al. 2021

ChemistrySelect

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Nickel‐doped mesoporous carbon (MC) materials with 1, 4, and 7 wt. % nickel/MC, were synthesized and utilized for the elimination of indole, as representative of nitrogen‐containing compounds, from a model diesel fuel. Different instrumental techniques, including Fourier‐transform infrared (FT‐IR) spectroscopy, X‐Ray diffraction (XRD), N2 adsorption‐desorption analyses, field emission scanning electron microscopy (FE‐SEM), energy‐dispersive X‐ray spectroscopy (EDXS), and transmission electron microscopy (TEM) were used to characterize the synthesized Ni‐doped mesoporous carbons. The XRD and N2 adsorption‐desorption results revealed that all the nickel‐modified materials had ordered hexagonal mesostructures. Response surface methodology coupled with a three‐variable, three‐level Box‐Behnken design (BBD) involving three center points and one response was employed for evaluating the influence of the three input parameters, namely temperature (A), contact time (B), and Ni content (C) on the adsorption yield. The optimum removal efficiency (96.5 %) was obtained at 42 °C, 1 wt. % of Ni loading, and 55 min contact time; also, possible adsorption mechanisms might be due to van der Waals interaction, H‐bonding, and π‐complexation. Additionally, the equilibrium data were analyzed using Langmuir, Freundlich, and Temkin isotherm models, and the Freundlich isotherm model showed a better fit to experimental data (R2 =0.9978).

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Denitrogenation and desulfurization of model diesel fuel using functionalized polymer: Charge transfer complex formation and adsorption isotherm study

Cited by 41 publications

References 56 publications

Ionic liquids assisted desulfurization and denitrogenation of fuels

Ionic liquids assisted desulfurization and denitrogenation of fuels

Charge-transfer chemistry of azithromycin, the antibiotic used worldwide to treat the coronavirus disease (COVID-19). Part I: Complexation with iodine in different solvents

Deep Denitrogenation of Model Diesel Fuel Using Ni‐doped Mesoporous Carbon: Synthesis Route and Adsorption Study

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