Journal of Inorganic Materials, Volume. 38, Issue 11, 1245(2023)
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![Summary of catalyst properties for the total oxidation of methane by thermal catalysis[17]](/Images/icon/loading.gif){kind=icon}
1. Summary of catalyst properties for the total oxidation of methane by thermal catalysis[17]
2. Performance tests and theoretical calculations of catalysts[28]
3. Proposed model for the CH4 dissociative adsorption over Pt0−Pt4+ dipoles saturated with chemisorbtion oxygen atoms[30]
5. Application of ZnO-based semiconductor in photocatalytic total oxidation of methane
6. Ga2O3/AC photocatalytic total oxidation of methane and schematic diagram of oxidation mechanism[60]
7. Adsorption energy calculations of surface methane and DFT calculation of different TiO2 [61]
8. Tests of ZnO/LSCO photocatalysis and photothermal cocatalysis for methane total oxidation[70]
9. HPMC photothermal co-catalyzed methane total oxidation performance (a, b) and its mechanism (c)[71]
Table 1. Comparison of properties of catalysts for total oxidation of methane by thermal catalysis
View tableView in ArticleTable 1. Comparison of properties of catalysts for total oxidation of methane by thermal catalysis
Catalyst Tc* /℃ Ea/(kJ·mol-1) Feed gas GHSV/(mL·g-1·h-1) Stability Ref. Pd-Ce@SiO2 T100=350 100.4 1% CH4, 21% O2, bal. N2 36000 25 h [ 39 ]Pd/TiO2 T99=370 83.1 1% CH4, 10% O2, bal. N2 30000 4 cycles [ 40 ]Pd/Na-MOR T50=335 75 1% CH4, 4% O2, bal. N2 70000 90 h [ 41 ]Pd-Pt/CeO2 T50=325 74 680 μg/mL CH4, 14% O2, 5% CO2, bal. N2 300000 12 h# [ 42 ]Au/Al2O3 T50=480 73 0.8% CH4, 3.2% O2, bal. He, 15000 / [ 32 ]Rh/ZrO2 T50=400 / 1% CH4, 2% O2, bal. He 15000 / [ 31 ]Ir/TiO2-H T50=267 55.5 1% CH4, 20% O2, bal. N2 30000 50 h [ 43 ]Ag/MnLaO3 T50=580 74 2% CH4, 98% air 12000 / [ 44 ]Pt/Cr2O3 T50=350 / 0.2% CH4, 10% O2, bal. N2 30000 / [ 30 ]MgO T50=225 / 1% CH4, 99% air 6000 70 h [ 45 ]LaCoO3 T50=470 / 0.8% CH4, 5% O2, bal. N2 60000 / [ 46 ]NiCo2O4 T100=350 / 5% CH4, 25% O2, bal. Ar 24000 48 h# [ 47 ]La0.6Sr0.4MnO3 T50=566 56.6 2% CH4, 20% O2, bal. N2 30000 / [ 48 ]CoAlOx/CeO2 T50=415 92.2 10% CH4, 25% O2, bal. Ar 24000 50 h [ 49 ]
Table 2. Comparison of performances of photocatalysts for total oxidation of methane by photocatalysis
View tableView in ArticleTable 2. Comparison of performances of photocatalysts for total oxidation of methane by photocatalysis
Catalyst Reaction conditions Yield/(μmol·h-1) Ref. TiO2 Batch reactor, 3×105 Pa CH4, Xe lamp, RT 1.1 [ 62 ]TiO2 Batch reactor, 2×106 Pa CH4, 5 bar O2, Xe lamp, RT 23 [ 63 ]ZnO Batch reactor, 1×105 Pa, 250 μg/mL CH4 in air, Xe lamp, RT 2 [ 59 ]Ag/ZnO Batch reactor, 1×105 Pa, 250 μg/mL CH4, Xe lamp, RT 22 [ 56 ]CuO/ZnO Batch reactor, 1×105 Pa, 100 μg/mL CH4, Xe lamp, RT 4 [ 58 ]Au-CeO2/ZnO Batch reactor, 1×105 Pa, 250 μg/mL CH4, Xe lamp, RT 0.6 [ 57 ]Ag/AgCl Batch reactor, 1×105 Pa, 500 μg/mL CH4, Xe lamp, RT 5.4 [ 64 ]SrCO3/SrTiO3 Batch reactor, 1×105 Pa, 200 μg/mL CH4, Xe lamp, RT 0.8 [ 65 ]BiVO4 Batch reactor, 1×105 Pa, 20 μg/mL CH4, visible light, RT 0.05 [ 66 ]
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Chen SUN, Kunfeng ZHAO, Zhiguo YI.
Paper Information
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Received: Jan. 27, 2023
Accepted: --
Published Online: Mar. 6, 2024
The Author Email: Kunfeng ZHAO (zhaokunfeng@mail.sic.ac.cn), Zhiguo YI (zhiguo@mail.sic.ac.cn)
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