Decomposition of methane in an AC discharge

1985 ◽  
Vol 5 (2) ◽  
pp. 163-173 ◽  
Author(s):  
Mark E. Fraser ◽  
Daniel A. Fee ◽  
Ronald S. Sheinson
Keyword(s):  
Ac Discharge ◽  
Decomposition Of Methane

scholarly journals Ni-γ-AL2O3 catalysts for obtaining nanocarbon by decomposition of natural gas

2021 ◽  
Author(s):  
Hikmet Ibrahimov ◽  
Sara Malikli ◽  
Zenfira Ibrahimova ◽  
Rahim Babali ◽  
Sevinc Aleskerova
Keyword(s):  
Natural Gas ◽  
Specific Surface ◽  
Catalytic Converter ◽  
Sol Gel ◽  
Nickel Content ◽  
Maximum Yield ◽  
Methane Decomposition ◽  
Impregnation Method ◽  
Decomposition Of Methane ◽  
Gas Supply

Abstractγ-Al2O3 was synthesized by the Sol–gel method, Ni (NO3)2 was placed in the pores by the impregnation method, and Ni-γ-Al2O3 was obtained by pyrolysis in a hydrogen stream in a CVD device. By the method of chemical vapors phase deposition (CVD) on Ni-Al2O3 catalytic converter with decomposition of methane in the natural gas produced carbon nanotubes (CNT) (Chunduri et al. in Mater Express 4(3):235–241, 2014; Zhou et al. in Appl Catal B 208:44–59, 2017). The catalytic activity of the catalysts in methane decomposition was examined from 650 °C to 900 °C by the method of chemical vapors phase deposition (CVD), the yield of CNTs tends to increase with the growth at the ratio of natural gas supply to hydrogen. The specific surface increases with an increase of nickel content and can reach 265.5 m2/g for a sample of 2% Ni-A12O3 at 850 °C. Growth at the temperature of methane decomposition leads to reduction in its specific surface. It has been established that the use of the Ni-Cu/γ-Al2O3 catalytic system, in which copper acts as a stabilizing additive, makes it possible to double the maximum yield of the carbon product during the decomposition of natural gas.

scholarly journals Carbons Formed in Methane Thermal and Thermocatalytic Decomposition Processes: Properties and Applications

2021 ◽  
Vol 7 (3) ◽  
pp. 50
Author(s):  
Emmi Välimäki ◽  
Lasse Yli-Varo ◽  
Henrik Romar ◽  
Ulla Lassi
Keyword(s):  
Thermal Decomposition ◽  
Hydrogen Production ◽  
Energy Systems ◽  
Hydrogen Gas ◽  
Solid Carbon ◽  
Hydrogen Economy ◽  
Decomposition Processes ◽  
Different Types ◽  
Decomposition Of Methane ◽  
Thermocatalytic Decomposition

The hydrogen economy will play a key role in future energy systems. Several thermal and catalytic methods for hydrogen production have been presented. In this review, methane thermocatalytic and thermal decomposition into hydrogen gas and solid carbon are considered. These processes, known as the thermal decomposition of methane (TDM) and thermocatalytic decomposition (TCD) of methane, respectively, appear to have the greatest potential for hydrogen production. In particular, the focus is on the different types and properties of carbons formed during the decomposition processes. The applications for carbons are also investigated.

Adsorption and decomposition of methane on gallium oxide films

1999 ◽  
Vol 59 (2-3) ◽  
pp. 140-145 ◽  
Author(s):  
D Kohl ◽  
Th Ochs ◽  
W Geyer ◽  
M Fleischer ◽  
H Meixner
Keyword(s):  
Gallium Oxide ◽  
Oxide Films ◽  
Decomposition Of Methane

scholarly journals Decomposition of methane hydrates in sand, sandstone, clays, and glass beads

2004 ◽  
Vol 109 (B5) ◽  
Author(s):  
Tsutomu Uchida ◽  
Satoshi Takeya ◽  
Evgene M. Chuvilin ◽  
Ryo Ohmura ◽  
Jiro Nagao ◽  
...  
Keyword(s):  
Glass Beads ◽  
Methane Hydrates ◽  
Decomposition Of Methane
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