Stimulation of the partial oxidation of methane in a microwave discharge

Rusanov, V. D.; Babaritskii, A. I.; Gerasimov, E. N.; Deminskii, M. A.; Demkin, S. A.; Zhivotov, V. K.; Moskovskii, A. S.; Потапкин, Б. В.; Смирнов, Р. В.; Strelkova, M. I.

doi:10.1134/1.1565615

Cited by 10 publications

(3 citation statements)

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“…The alternative novel plasma reforming option could provide original responses to these drawbacks in terms of reactivity, compactness, and efficiency. Different paths have been investigated for the last two decades using various plasma technologies such as plasmatron, gliding arc (GlidArc), − dielectric barrier discharge (DBD), − corona, microwave − and pulsed discharge to reform hydrocarbons such as methane, ,,− diesel, and biofuels. ,− Nevertheless, significant improvements may be achieved through a new approach: electric plasma assistance.…”

Section: Introductionmentioning

confidence: 99%

Synthesis Gas from Methane by Using a Plasma-Assisted Gliding Arc Catalytic Partial Oxidation Reactor

Rafiq

Hustad

2011

Ind. Eng. Chem. Res.

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In this work, the potential for the catalytic partial oxidation (CPOX) of methane (CH4) to produce synthesis gas (H2 and CO) was studied both experimentally and thermodynamically at a fixed pressure (1 bar) and electric power (0.3 kW). The investigations were performed in a partially adiabatic plasma-assisted (nonthermal) Gliding Arc (GlidArc) reactor, using a Ni-based catalyst. Two cases were studied: in the first, normal air (molar ratio of O2/N2 = 21/79) was used, whereas enriched air (O2/N2 = 40/60) was utilized in the second. The individual effect of the O2/CH4 molar ratio, gas hour space velocity (GHSV), and bed exiting temperature (T exit) was studied for both cases. The main trends of the CH4 conversion, the synthesis gas yield, and the thermal efficiency of the reactor based on the LHV (lower heating value) were analyzed and compared, and any deviations from equilibrium could be explained by temperature gradients and an irregular gas flow. In the findings from the studies, the results revealed that an H2/CO ratio of 2 could be obtained. For the normal air case, an optimal value of the O2/CH4 molar ratio of 0.7, a GHSV of 1.8 NL/(gcat.h), and a maximum temperature (T max) of 1065 °C were good reforming choices, whereas for enriched air, these values were 0.7, 1.8, and 1105 °C, respectively.

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Section: Introductionmentioning

confidence: 99%

Synthesis Gas from Methane by Using a Plasma-Assisted Gliding Arc Catalytic Partial Oxidation Reactor

Rafiq

Hustad

2011

Ind. Eng. Chem. Res.

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“…Before entering the testing chamber, heat the air/methane mixture to between 500 and 900 degrees Celsius. [9,10,11].…”

Section: Introductionmentioning

confidence: 99%

Low Current Non-Thermal Plasma Assisted Hydrocarbon Reforming Hydrogen Rich Gas

2024

Preprint

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Current trends in the automotive industry include the use of hydrogen, GDI engines, and PEM fuel cell systems. low-current non-thermal plasma-assisted hydrocarbon reforming hydrogen-rich gas ways to produce it on board automobiles. In this study, we introduce the plasma fuel reformer (PFR), a non-thermal device that uses the partial oxidation process as its primary mechanism. Plasma is created by PFR using air at higher pressures than the atmosphere. Plasma is generated by an electrode gap discharge and continuous air and fuel infusions. Exothermicity from partial oxidation generates the most heat. The unique Plasma Fuel Reformer (PFR) has three sections in a stack: fuel injection, plasma production fuel reaction, and heat exchanger. The low-current non-thermal plasma is designed to convert gasoline into hydrogen-rich gas under non-thermal circumstances. The first section briefly describes hydrocarbon reforming chemistry. The second section is low-current non-thermal plasma fuel reformer (PFR) technology and design. This novel plasma reformer is still in its early stages of development, but there are a number of technical tweaks that might significantly enhance its chemical efficiency.

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“…Plasma could be obtained via various methods, such as combustion, flame technique, electrical heating, and electrical discharge [11]. Researchers have developed several plasma processes such as plasmatron [12], dielectric barrier discharge [13], gliding arc discharge [14,15], corona technique [16], microwave method [17][18][19], pulse discharge [20], and direct current discharge [21]. Considering its energy level, temperature, and electronic density during the discharging process, plasma is categorized as thermal and nonthermal [22] ones.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Simulation and Experimental Investigation of Plasma Preparation of Nanosized Carbon Using Propane

Luo

Wang

et al. 2019

Journal of Nanomaterials

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Carbon black was prepared by pyrolysis of propane under different plasma conditions. The effects of the flow ratio of the carbon precursor, discharge current, and plasma gases (including argon, nitrogen, and hydrogen) on the morphology and structure of carbon black were investigated by a series of physical characterizations. The equilibrium components were computed based on the minimization of the Gibbs free energy. The theoretical analysis and experimental results confirmed that HCN is the inevitable byproduct in the tail gas from the nitrogen plasma process, indicating that nitrogen is inappropriate as the carrier gas for the preparation of carbon black. The effects of discharging current, discharging spacing, and proportions of propane were also symmetrically studied by the evaluation of HCN concentration. Moreover, the graphene was generated when using argon as the plasma gas mixed with a small amount of hydrogen.

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Stimulation of the partial oxidation of methane in a microwave discharge

Cited by 10 publications

References 0 publications

Synthesis Gas from Methane by Using a Plasma-Assisted Gliding Arc Catalytic Partial Oxidation Reactor

Synthesis Gas from Methane by Using a Plasma-Assisted Gliding Arc Catalytic Partial Oxidation Reactor

Low Current Non-Thermal Plasma Assisted Hydrocarbon Reforming Hydrogen Rich Gas

Thermodynamic Simulation and Experimental Investigation of Plasma Preparation of Nanosized Carbon Using Propane

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