Research Article
Effect of Fe Loading Condition and Reductants on CO2 Reduction Performance with Fe/TiO2 Photocatalyst
Table 3
Comparison of initial rate of CO production of prepared photocatalysts in this study.
| | TiO2 (μmol/(g·h)) | Fe/TiO2(100) (μmol/(g·h)) | Fe/TiO2(500) (μmol/(g·h)) | Fe/TiO2(1000) (μmol/(g·h)) |
| | With UV | | H2O/CO2 | 1.6 × 10−1 | 2.7 × 10−1 | 2.2 × 10−1 | 9.5 × 10−2 | | H2/CO2 | 2.2 × 10−1 | 2.8 × 10−1 | 2.4 × 10−1 | 5.3 × 10−2 | | NH3 + H2O/CO2 | 7.4 × 10−2 | 8.9 × 10−2 | 9.3 × 10−2 | 5.3 × 10−2 | | H2 : H2O : CO2 = 1 : 0.5 : 1 | N/A | 3.4 × 10−1 | N/A | N/A | | H2 : H2O : CO2 = 0.5 : 1 : 1 | N/A | 6.7 × 10−1 | N/A | N/A | | H2 : H2O : CO2 = 0.5 : 0.5 : 1 | N/A | 4.0 × 10−1 | N/A | N/A | | H2 : H2O : CO2 = 1 : 1: 1 | N/A | 6.0 × 10−1 | N/A | N/A | | H2 : H2O : CO2 = 2 : 2 : 1 | N/A | 4.5 × 10−1 | N/A | N/A | | Without UV | | H2O/CO2 | 1.3 × 10−3 | 3.6 × 10−3 | 4.7 × 10−3 | 2.7 × 10−3 | | H2/CO2 | 1.7 × 10−3 | 3.1 × 10−3 | 4.3 × 10−3 | 2.9 × 10−3 | | NH3 + H2O/CO2 | 6.7 × 10−4 | 2.9 × 10−3 | 3.7 × 10−3 | 3.6 × 10−3 |
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