A magnetically responsive material of single-walled carbon nanotubes functionalized with magnetic ionic liquid

Pei, Xiaowei; Yan, Yehai; Liu, Yan; Yang, Pan; Wang, Junling; Xu, Rong; Chan-Park, Mary B.

doi:10.1016/j.carbon.2010.03.023

Cited by 32 publications

(17 citation statements)

References 23 publications

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“…The characteristic peak at 333 cm −1 is responsible for FeCl 4 − . The similar results can also be found in the literature . These results indicated that C 12 Fe‐IL was synthesized successfully.…”

Section: Resultssupporting

confidence: 88%

Metal‐based ionic liquid assisted synthesis of highly dispersed mesoporous Fe(III)/SiO₂ for enhanced adsorption of antibiotics

Chao

Jin

Jiang

et al. 2019

J of Chemical Tech & Biotech

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BACKGROUND Silica‐based adsorbents have shown huge potential and bright perspective in adsorptive removal of antibiotic contaminants for water remediation. To further simplify the synthesis process, stabilize the doped metal and improve the adsorption capacity, a highly‐effective metal iron‐doped mesoporous silica (meso‐Fe(III)/SiO2) adsorbent was in situ one‐step synthesized under the strategy of using metal‐based ionic liquid [(C12H25)3NCH3]FeCl4 as template and iron source. RESULTS Iron(III) species have been found highly dispersed in the confined space of meso‐SiO2 without pore blocking. Compared with the prototype and Fe‐impregnate meso‐SiO2 adsorbents, the meso‐Fe(III)/SiO2 exhibited significantly enhanced adsorptive removal of 95.6% and 93.8% for tetracycline (TC) and levofloxacin (LOF), respectively. The adsorption was controlled by diffusion processes and well described by pseudo‐second‐order kinetics equation and Langmuir isotherm model. Solution pH, co‐existing Na+ and Ca2+ exhibited significant impact on the adsorption process which is strongly related to π‐complexation, hydrophobic effect and electrostatic interactions. CONCLUSION The strategy of metal‐based ionic liquid assisted synthesis provide a promising approach to design and develop highly‐stable metal‐supported adsorbents. Furthermore, the excellent adsorption performance indicated the potential application of this meso‐Fe(III)/SiO2 in the removal of antibiotics from aqueous solutions. © 2019 Society of Chemical Industry

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Section: Resultssupporting

confidence: 88%

Metal‐based ionic liquid assisted synthesis of highly dispersed mesoporous Fe(III)/SiO₂ for enhanced adsorption of antibiotics

Chao

Jin

Jiang

et al. 2019

J of Chemical Tech & Biotech

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“…. The same peaks of FeCl 4 − at 332 cm −1 indicated that this catalyst was stable during the desulfurization process , .…”

Section: Resultsmentioning

confidence: 64%

Oxidative Desulfurization of Model Diesel Using a Fenton‐Like Catalyst in the Ionic Liquid [Dmim]BF₄

Wang

Hao

et al. 2017

Chem Eng & Technol

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A Fenton‐like catalyst prepared from tetrabutylammonium chloride and ferric trichloride was characterized by Fourier transform infrared, UV‐vis and Raman spectroscopy. The catalyst (C4H9)4NFeCl4 (TBAFeCl4) in an extraction and catalytic oxidative desulfurization (ECODS) system containing H2O2 and the ionic liquid (IL) 1‐decyl‐3‐methylimidazolium tetrafluoroborate ([Dmim]BF4) exhibited high catalytic activity for the removal of dibenzothiophene (DBT) in model diesel. Desulfurization with the Fenton‐like catalyst TBAFeCl4 in ECODS involves the structural distortion of DBT via polarization of the IL and its subsequent oxidation. The catalytic system could be recycled multiple times without significant decrease in desulfurization activity due to the high stability of the system.

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“…With the reference of the [Bmim][FeCl 4 ] and [Bmim][SCN], the optical properties were investigated based on the UV–visible spectra illustrated in Figure . Normally, the imidazolium‐based ionic liquid such as [Bmim][FeCl 4 ] and [Bmim][SCN] are distinguished by one major peak, which can be identified within the range of 210 to 690 nm …”

Section: Resultsmentioning

confidence: 99%

Experimental investigations on the regeneration of desulfurized 1‐butyl‐3‐methylimidazolium tetrachloroferrate [Bmim][FeCl₄] and 1‐butyl‐3‐methylimidazolium thiocyanate [Bmim][SCN] ionic liquids: A raman spectroscopic study

Ullah

Bustam

Al‐Sehemi

et al. 2019

J Raman Spectroscopy

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The room temperature and task‐specific ionic liquids nowadays have been investigated widely for the removal of sulfur compounds from the natural gas streams. However, the major challenge is the recovery of the desulfurized ionic liquids, which need some significant developments. In this study, two magnetic ionic liquids including the 1‐butyl‐3‐methylimidazolium tetrachloroferrate [Bmim][FeCl4] and 1‐butyl‐3‐methylimidazolium thiocyanate [Bmim][SCN] were investigated for their interaction with the sulfur‐rich compound, that is, dibenzothiophene. The ionic liquids samples were desulfurized and then regenerated with the co‐solvent hexane. The samples were characterized and investigated with the analytical techniques including the Fourier‐transform infrared spectroscopy, ultraviolet–visible absorption analysis, thermogravimetric analysis, and detailed analysis by Raman spectroscopy. The desulfurization results demonstrated that there is no significant influence of the dibenzothiophene molecules on the basic structures of ionic liquids. The regeneration results revealed that the high polarity of the co‐solvent hexane successfully dissolve the dibenzothiophene and efficiently separated from the ionic liquids. Hence, the work present here in this study could be applied for the extractive removal of sulfur compounds from ionic liquids for their regeneration using high polarity co‐solvent hexane.

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A magnetically responsive material of single-walled carbon nanotubes functionalized with magnetic ionic liquid

Cited by 32 publications

References 23 publications

Metal‐based ionic liquid assisted synthesis of highly dispersed mesoporous Fe(III)/SiO₂ for enhanced adsorption of antibiotics

Metal‐based ionic liquid assisted synthesis of highly dispersed mesoporous Fe(III)/SiO₂ for enhanced adsorption of antibiotics

Oxidative Desulfurization of Model Diesel Using a Fenton‐Like Catalyst in the Ionic Liquid [Dmim]BF₄

Experimental investigations on the regeneration of desulfurized 1‐butyl‐3‐methylimidazolium tetrachloroferrate [Bmim][FeCl₄] and 1‐butyl‐3‐methylimidazolium thiocyanate [Bmim][SCN] ionic liquids: A raman spectroscopic study

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A magnetically responsive material of single-walled carbon nanotubes functionalized with magnetic ionic liquid

Cited by 32 publications

References 23 publications

Metal‐based ionic liquid assisted synthesis of highly dispersed mesoporous Fe(III)/SiO2 for enhanced adsorption of antibiotics

Metal‐based ionic liquid assisted synthesis of highly dispersed mesoporous Fe(III)/SiO2 for enhanced adsorption of antibiotics

Oxidative Desulfurization of Model Diesel Using a Fenton‐Like Catalyst in the Ionic Liquid [Dmim]BF4

Experimental investigations on the regeneration of desulfurized 1‐butyl‐3‐methylimidazolium tetrachloroferrate [Bmim][FeCl4] and 1‐butyl‐3‐methylimidazolium thiocyanate [Bmim][SCN] ionic liquids: A raman spectroscopic study

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Metal‐based ionic liquid assisted synthesis of highly dispersed mesoporous Fe(III)/SiO₂ for enhanced adsorption of antibiotics

Metal‐based ionic liquid assisted synthesis of highly dispersed mesoporous Fe(III)/SiO₂ for enhanced adsorption of antibiotics

Oxidative Desulfurization of Model Diesel Using a Fenton‐Like Catalyst in the Ionic Liquid [Dmim]BF₄

Experimental investigations on the regeneration of desulfurized 1‐butyl‐3‐methylimidazolium tetrachloroferrate [Bmim][FeCl₄] and 1‐butyl‐3‐methylimidazolium thiocyanate [Bmim][SCN] ionic liquids: A raman spectroscopic study