Research Article

Surface Structure and Catalytic Performance of Ni-Fe Catalyst for Low-Temperature CO Hydrogenation

Table 3

Gaussian fitting analysis of H2-TPR patterns of 16NixFe/Al2O3 catalysts.

CatalystH2-consumption (mmol/g)Reduction temperature (°C)/relative content (%)
TotalReduced FeaReduced Ni Peak IPeak II

16Ni/Al2O32.042.04432.4/33.0500.5/35.8570.9/31.2
16Ni1Fe/Al2O32.130.062.07396.9/34.4485.3/39.6573.4/23.0321.1/2.3520.1/0.7
16Ni2Fe/Al2O32.360.252.11381.3/36.5486.8/41.7609.0/12.5281.3/6.2496.0/3.1
16Ni4Fe/Al2O32.520.362.16355.3/37.4481.5/45.3601.0/7.4339.2/6.3483.5/3.5
16Ni6Fe/Al2O32.590.472.12347.4/38.6460.6/38.7591.4/6.7312.0/10.9454.2/5.2
16Ni8Fe/Al2O32.800.562.24351.6/40.2455.5/35.3617.5/4.2310.2/11.9492.7/8.4
8Fe/Al2O30.560.56349.9/66.3521.8/33.7

The value calculated by different Fe content based on the H2-consumpution of 8Fe/Al2O3 catalyst.