Table 1 CO oxidation conditions for nanostructured, undoped ceria samples
From: Low temperature CO oxidation by doped cerium oxide electrospun fibers
Fabrication method | Feed gas | Balance gas | Highest temperature and duration before CO oxidation | WHSV (mL h−1 g−1) | CO2 generation rate at 200 °C (mol g−1 s−1) |
|---|---|---|---|---|---|
Autoclave heating [33] | 1% CO, 10% O2 | N2 | 300 °C, 1 h | 96,000 | 6.5E−07 |
Autoclave heating [34] | 1% CO, 10% O2 | N2 | 150 °C, 5 h | 96,000 | 1.4E−07 |
Autoclave heating [35] | 1% CO, 20% O2 | N2 | 350 °C, 1 h | 12,000 | 2.1E−07 |
Autoclave heating [36] | 1% CO, 16% O2 | N2 | 180 °C, 200 m | 30,000 | 2.0E−07 |
Electrospinning (this work) | 1% CO, 2% O2 | N2 | 600 °C, 3 h | 30,000 | 1.1E−07 |
Oxalate precipitation [34] | 1% CO, 10% O2 | N2 | 300 °C, 1 h | 96,000 | 1.3E−07 |
Nitrate precipitation [37] | 9.98% CO, 10.2% O2 | Ar | 500 °C, 5 h | 33,000 | 4.5E−07 |
Microsphere templating [38] | 0.24% CO, 15% O2 | Ar | 600 °C, 12 h | 60,000 | 3.6E−08 |