TABLE 5.
Effects of process variables on the catalytic performance for microwave-assisted DRM reaction with different catalysts.
| Catalysts and microwave receptors | Temperature (oC) | CH4/CO2 ratio | Dielectric properties (tan δ) | CH4 conversion (%) | CO2 conversion (%) | H2/CO ratio | Ref |
|---|---|---|---|---|---|---|---|
| C-SiO2 | 650–900 | 1/1 | >0.8 | 76–91 | 57–85 | ‒ | Hamzehlouia et al. (2018) |
| 5%Fe–C | 900 | 1/1 | <0.4 | 95 | 99 | 1.01 | Li et al. (2019) |
| 10%Fe–C | 900 | 1/1 | <0.4 | 98 | 100 | 1.02 | |
| 20%Fe–C | 900 | 1/1 | <0.4 | 93 | 100 | 0.93 | |
| 4%Fe/Al2O3-SiC | 750 | 1/1 | 0.58 | 63 | 59 | 0.93 | Zhang et al. (2018b) |
| 8%Fe/Al2O3-SiC | 750 | 1/1 | 0.58 | 87 | 88 | 0.96 | |
| 12%Fe/Al2O3-SiC | 750 | 1/1 | 0.58 | 93 | 92 | 0.98 | |
| 16%Fe/Al2O3-SiC | 750 | 1/1 | 0.58 | 89 | 90 | 0.96 | |
| FY5+ eFe | 800 | 1/1 | <0.4 | 72 | 93 | ‒ | Bermudez et al. (2012) |
| CQ + eFe | 800 | 1/1 | <0.4 | 42 | 70 | ‒ |