Research Article
Effect of Fe Loading Condition and Reductants on CO2 Reduction Performance with Fe/TiO2 Photocatalyst
Table 2
Comparison of CO2 reduction performance of prepared photocatalysts in this study.
| | TiO2 (μmol/g) | Fe/TiO2(100) (μmol/g) | Fe/TiO2(500) (μmol/g) | Fe/TiO2(1000) (μmol/g) |
| | With UV | | H2O/CO2 | 5.2 | 8.2 | 7.9 | 3.0 | | H2/CO2 | 5.8 | 7.2 | 6.4 | 1.5 | | NH3 + H2O/CO2 | 2.6 | 2.6 | 3.0 | 1.7 | | H2 : H2O : CO2 = 1 : 0.5 : 1 | N/A | 33 | N/A | N/A | | H2 : H2O : CO2 = 0.5 : 1 : 1 | N/A | 29 | N/A | N/A | | H2 : H2O : CO2 = 0.5 : 0.5 : 1 | N/A | 27 | N/A | N/A | | H2 : H2O : CO2 = 1 : 1 : 1 | N/A | 23 | N/A | N/A | | H2 : H2O : CO2 = 2 : 2 : 1 | N/A | 17 | N/A | N/A | | Without UV | | H2O/CO2 | 5.3 × 10−2 | 1.3 × 10−1 | 1.5 × 10−1 | 7.2 × 10−2 | | H2/CO2 | 6.6 × 10−2 | 1.2 × 10−1 | 1.4 × 10−1 | 6.9 × 10−2 | | NH3 + H2O/CO2 | 3.2 × 10−2 | 1.0 × 10−1 | 1.3 × 10−1 | 1.1 × 10−1 |
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