TABLE 6.
Comparison of reported DRM catalysts under microwave -assisted system as well as conventional heating system.
| Catalysts | CH4:CO2 | Temperature (◦C) | Microwave -assisted system | Conventional heating system | Ref. | ||
|---|---|---|---|---|---|---|---|
| CH4/CO2 conversion (%) | H2/CO ratio | CH4/CO2 conversion (%) | H2/CO ratio | ||||
| 10% Ni/Al2O3-F | 0.5:1 | 700 | 72/46 | N/A | 42/32 | 0.75 | Kustov et al. (2017) |
| 10% Ni/Al2O3 | 0.5:1 | 700 | 61/53 | N/A | 42/30 | 0.53 | Kustov et al. (2017) |
| 5.6 wt% Ni/Al2O3 + FY5 | 1:1 | 800 | 90/80 | N/A | 80/55 | N/A | Fidalgo et al. (2011) |
| Potassium-rich Char | 1:1 | 800 | 90/98 | 0.7 | 70/97 | 0.7 | Domínguez et al. (2007) |
| 25Ni40Fe/MgAl2O4 | 1:2 | 700 | 85/62 | ∼1.0 | N/A | N/A | Olowoyo and Zheng (2024) |
| Ni/MgO/AC (10% Ni and 10% MgO) | 1:1 | 730 | 75/78 | 0.98 | 67/73 | 0.85 | Sharifvaghefi et al. (2019) |
| 10 wt% Fe/HZSM-5 + (BPC) | 1:1 | 700 | 52/74 | 0.71 | 35/47 | 0.4 | Zhang et al. (2022) |
| Active carbon (FY5) | 1:1 | 800 | 60/53 | N/A | 80/55 | N/A | Fidalgo et al. (2010) |
| Ni/Al2O3-m | 1:1 | 650 | N/A | N/A | 63/70 | 0.9 | Ma et al. (2021) |
| Ni-La/AC | 1:1 | 700 | 99.8/99.8 | 1.01 | N/A | N/A | Zhang et al. (2023a) |
| Ni/Al2O3+AC | 1:1 | 800 | 88.1/93.3 | N/A | N/A | N/A | Fidalgo and Menéndez (2012) |
| Ru/SrTiO3 | 1:1 | 702 | 93.9/90 | 0.9 | N/A | N/A | Gangurde et al. (2018) |
| Cr-Ni/CeO2 | 1:1 | 850 | 90/92 | 1.45 | N/A | N/A | Odedairo et al. (2016) |
| Ni-CeO2-Al2O3 | 1:1 | 800 | N/A | N/A | 70/80 | 0.9 | Ma et al. (2021) |
| Fe/SiC | 1:1 | 750 | 93/92 | 0.98 | N/A | N/A | Zhang et al. (2018a) |
| La0.8Sr0.2Co0.9Mn0.1O3 | 1:1 | 850 | 83/90 | 0.93 | N/A | N/A | Marin et al. (2021) |
| Ni/MgAlSiOx | 1:1 | 800 | N/A | N/A | 80/82 | 0.98 | He et al. (2021) |
| Ni/AC | 1:1 | 900 | N/A | N/A | 68/82 | 1.05 | Li et al. (2020b) |
*N/A = not available in the reference.