Carbon Dioxide (CO<sub>2</sub>) Adsorption by Activated Carbon Functionalized with Deep Eutectic Solvent (DES)

Zulkurnai, N Z; Ali, Umi Fazara Md; Ibrahim, Naimah; Manan, Ninie Suhana Abdul

doi:10.1088/1757-899x/206/1/012001

Cited by 42 publications

(24 citation statements)

References 20 publications

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“…The IL-functionalized carrier materials are prepared by the grafting and impregnation methods. The grafting method can provide many favorable conditions for its application in adsorption, catalysis and organic synthesis [18], while the impregnation method is easy to operate and suitable for most ILs. The two methods have their own advantages and disadvantages regarding cost, operation, IL loading and pore plugging, so that the different effects on the separation performance of CO 2 are worthy of research.…”

Section: Introductionmentioning

confidence: 99%

Surface Functionalization of Activated Carbon with Phosphonium Ionic Liquid for CO2 Adsorption

Zhu

Wang

et al. 2019

Coatings

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Immobilization of phosphonium ionic liquid (IL) onto activated carbon (AC) was synthesized via grafting and impregnated methods, and the modified materials were analyzed via Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction, thermal gravity analysis, scanning electron microscope, pore structure and CO2/N2 adsorption selectivity. The effect of the gas flow rate (100–500 mL/min) and adsorption pressure (0.2–0.6 MPa) on the dynamic adsorption behavior of mixture gas containing 15 vol.% CO2 and 85 vol.% N2 was explained using a breakthrough method. By analyzing the breakthrough curves, the adsorption capacity was determined. The results show that surface functionalization of activated carbon with phosphonium ionic liquid is conducive to improving CO2/N2 selectivity, especially ionic liquid-impregnated film. The different adsorption behaviors of impregnated and grafted adsorbents are observed under various conditions. The grafted AC had better CO2 adsorption and mass transfer due to a lower blockage of pores by ionic liquid.

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Section: Introductionmentioning

confidence: 99%

Surface Functionalization of Activated Carbon with Phosphonium Ionic Liquid for CO2 Adsorption

Zhu

Wang

et al. 2019

Coatings

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“…The level of CO 2 in the environment is alarming and it is contributing to the issues like global warming. The development of efficient CO 2 utilization processes is of central importance to the reduction of greenhouse gas emissions . Therefore, we have extended our study to examine the CO 2 adsorption capacity of these three‐membered ring systems.…”

Section: Resultsmentioning

confidence: 93%

“…The development of efficient CO 2 utilization processes is of central importance to the reduction of greenhouse gas emissions. [70] Therefore, we have extended our study to examine the CO 2 adsorption capacity of these three-membered ring systems. The CO 2 molecules were sequentially adsorbed, and their binding energies have been calculated.…”

Section: Carbon Dioxide Adsorption Studymentioning

confidence: 99%

Probing the bent bonds in cyclopropane systems for gas storage and separation process: A computational study

Wakchaure

Ganguly

2020

J Comput Chem

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The hydrogen, carbon dioxide, and carbon monoxide gas adsorption and storage capacity of lithium‐decorated cyclopropane ring systems were examined with quantum chemical calculations at density functional theory, DFT M06‐2X functional using 6‐31G(d) and cc‐pVDZ basis sets. To examine the reliability of M06‐2X DFT functional, a few representative systems are also examined with complete basis set CBS‐QB3 method and CCSD‐aug‐cc‐pVTZ level of theory. The cyclopropane systems can bind to one Li+ ion; however, the corresponding the methylated systems can bind with two Li+ ions. The cyclopropane systems can adsorb six hydrogen molecules with an average binding energy of 3.8 kcal/mol. The binding free energy (ΔG) values suggest that the hydrogen adsorption process is feasible at 273.15 K. The calculation of desorption energies indicates the recyclable property of gas adsorbed complexes. The same number of CO2 and CO gas molecules can also be adsorbed with an average binding energy of −14.4 kcal/mol and −10.7 kcal/mol, respectively. The carbon dioxide showed ~3–4 kcal/mol better binding energy as compared to carbon monoxide and hence such designed systems can function as a potential candidate for the separation of these flue gas molecules. The nature of interactions in complexes was examined with atoms in molecules analysis revealed the electrostatic nature for the interaction of Li+ ion with cyclopropane rings. The chemical hardness and electrophilicity calculations showed that the gas adsorbed complexes are rigid and therefore robust as gas storage materials.

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“…The main CO 2 emission comes from human activities such as burning of fossil fuel and industrial processes. The amount of CO 2 can be reduced using effective methods such as adsorption [69]. Therefore, it is vital to develop porous adsorbents with high specific surface area, uniform pore size, and high CO 2 adsorption capacity [70].…”

Section: Gas Adsorptionmentioning

confidence: 99%

Production and Applications of Biomass-Derived Graphene-Like Materials

Arifin

2020

Handbook of Nanomaterials and Nanocomposites for Energy and Environmental Applications

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Carbon Dioxide (CO₂) Adsorption by Activated Carbon Functionalized with Deep Eutectic Solvent (DES)

Cited by 42 publications

References 20 publications

Surface Functionalization of Activated Carbon with Phosphonium Ionic Liquid for CO2 Adsorption

Surface Functionalization of Activated Carbon with Phosphonium Ionic Liquid for CO2 Adsorption

Probing the bent bonds in cyclopropane systems for gas storage and separation process: A computational study

Production and Applications of Biomass-Derived Graphene-Like Materials

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Carbon Dioxide (CO2) Adsorption by Activated Carbon Functionalized with Deep Eutectic Solvent (DES)

Cited by 42 publications

References 20 publications

Surface Functionalization of Activated Carbon with Phosphonium Ionic Liquid for CO2 Adsorption

Surface Functionalization of Activated Carbon with Phosphonium Ionic Liquid for CO2 Adsorption

Probing the bent bonds in cyclopropane systems for gas storage and separation process: A computational study

Production and Applications of Biomass-Derived Graphene-Like Materials

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Carbon Dioxide (CO₂) Adsorption by Activated Carbon Functionalized with Deep Eutectic Solvent (DES)