Methane adsorption on specially designed TiC and Mo2C derived carbons with different pore size and surface morphology

Palm, Rasmus; Tallo, Indrek; Romann, Tavo; Kurig, Heisi

doi:10.1016/j.micromeso.2015.07.016

Cited by 16 publications

(7 citation statements)

References 48 publications

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“…Quinn et al, Lozano-Castello et al, and Himeno et al examined methane adsorption on Maxsorb and found that it always manifested the highest uptake as compared to any carbon-based material. Furthermore, there is also a very large number of reports on high pressure methane adsorption in different varieties of activated carbons synthesized from a wide variety of precursors. − …”

Section: Natural Gas As Transportation Fuelmentioning

confidence: 99%

Postextraction Separation, On-Board Storage, and Catalytic Conversion of Methane in Natural Gas: A Review

Grappe²,

et al. 2016

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In today's perspective, natural gas has gained considerable attention, due to its low emission, indigenous availability, and improvement in the extraction technology. Upon extraction, it undergoes several purification protocols including dehydration, sweetening, and inert rejection. Although purification is a commercially established technology, several drawbacks of the current process provide an essential impetus for developing newer separation protocols, most importantly, adsorption and membrane separation. This Review summarizes the needs of natural gas separation, gives an overview of the current technology, and provides a detailed discussion of the progress in research on separation and purification of natural gas including the benefits and drawbacks of each of the processes. The transportation sector is another growing sector of natural gas utilization, and it requires an efficient and safe on-board storage system. Compressed natural gas (CNG) and liquefied natural gas (LNG) are the most common forms in which natural gas can be stored. Adsorbed natural gas (ANG) is an alternate storage system of natural gas, which is advantageous as compared to CNG and LNG in terms of safety and also in terms of temperature and pressure requirements. This Review provides a detailed discussion on ANG along with computation predictions. The catalytic conversion of methane to different useful chemicals including syngas, methanol, formaldehyde, dimethyl ether, heavier hydrocarbons, aromatics, and hydrogen is also reviewed. Finally, direct utilization of methane onto fuel cells is also discussed.

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Section: Natural Gas As Transportation Fuelmentioning

confidence: 99%

Postextraction Separation, On-Board Storage, and Catalytic Conversion of Methane in Natural Gas: A Review

Grappe²,

et al. 2016

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“…Sahoo et al [46] have achieved improvements in discharge efficiency, from 88.7% to 92.8% by decreasing the rate of 5 L min À1 to 1 L min À1 and using forced convection fueled by 353 K temperature provided by exhaust gas. In addition to the discharge flow rate of methane, the structural planning of the adsorbents must be taken into consideration, because it is possible to vary the structural composition of the adsorbent in order to increase the overall entropy of the system and lower the Gibbs free energy, which are also crucial to achieve higher volumes of methane adsorbed [51,60].…”

Section: Storage In Adsorbed Formmentioning

confidence: 99%

“…In addition to the discharge flow rate of methane, the structural planning of the adsorbents must be taken into consideration, because it is possible to vary the structural composition of the adsorbent in order to increase the overall entropy of the system and lower the Gibbs free energy, which are also crucial to achieve higher volumes of methane adsorbed [51,60].…”

Section: Storage In Adsorbed Formmentioning

confidence: 99%

Adsorption technology for the storage of natural gas and biomethane from biogas

Feroldi

Neves

Bach

et al. 2016

Int. J. Energy Res.

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SUMMARYAs natural gas, biogas has been used for nobler purposes in recent years, such as the use of purified biogas (biomethane) in the transport sector. Currently, natural gas storage for use in transportation is accomplished primarily through compressed natural gas (CNG) technologies and liquefied natural gas (LNG), which require large amounts of energy. In recent years, the storage technology of absorbed natural gas (ANG) on porous materials has been studied, fundamentally highlighted by reduced energy use and increased safety in the transport of gaseous fuel. In this sense, the present study aimed to gather information about the main adsorbent materials which are being studied and the conditions normally employed in surveys that use ANG technology, as well as pointing out the main challenges for the storage of biogas in the adsorbed form at low pressures and room temperature in an attempt to meet the target of 180 V/V established by Department of Energy. Researchers reported high storage capacities in moderate conditions of temperature and pressure; however, the biggest challenge of the research involving methane adsorbed is also achieving high rates of desorption with the lowest possible energy expenditure.

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“…Carbide-derived carbons (CDCs) are unique model carbon materials, since they contain little to no impurities and their structure can be easily influenced within range from very disordered to well-organized nano-graphitic particles. The CDCs have been successfully used in electrochemical applications such as electrode materials for supercapacitors [5][6][7][8][9][10], as catalyst carriers for polymer-electrolyte membrane fuel cells (PEMFC) [11] and in other applications such as gas adsorption [12][13][14]. In addition, the structure of some CDCs has been investigated in-depth with small-angle X-ray and neutron scattering methods.…”

Section: Introductionmentioning

confidence: 99%

Carbide-Derived Carbons: WAXS and Raman Spectra for Detailed Structural Analysis

Härmas

Palm

Kurig

et al. 2021

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Quick characterization methods to determine the structure of carbon materials are sought after for a wide array of technical applications. In this study we present the combined analysis of the structure of carbide-derived carbons (CDCs) with Raman spectroscopy and wide-angle X-ray scattering (WAXS) methods. We present the optimal deconvolution method to be used for the detailed analysis of Raman spectroscopy data of CDCs and comparison to corresponding WAXS results is made. For a broad set of CDCs both WAXS and Raman spectroscopy data showed that the average graphene layer extent increases with synthesis temperature of CDC, while the coherent domain lengths obtained from Raman spectroscopy higher by an average of 4.4 nm. In addition, the presence of correlations between the parameters (D-band width and the parameter A∑D/A∑G) from Raman spectroscopy and the synthesis temperature are established. Based on the WAXS and Raman spectra data analysis the strong influence of the precursor carbide structure on the graphitization pathway is shown.

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Methane adsorption on specially designed TiC and Mo2C derived carbons with different pore size and surface morphology

Cited by 16 publications

References 48 publications

Postextraction Separation, On-Board Storage, and Catalytic Conversion of Methane in Natural Gas: A Review

Postextraction Separation, On-Board Storage, and Catalytic Conversion of Methane in Natural Gas: A Review

Adsorption technology for the storage of natural gas and biomethane from biogas

Carbide-Derived Carbons: WAXS and Raman Spectra for Detailed Structural Analysis

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