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. 2021 Nov 12;12:6574. doi: 10.1038/s41467-021-26853-0

Table 1.

Comparison of acetylene semihydrogenation performance between EAH of NHC–Cu and the reported TAH of thermocatalysts.

Catalyst Feed gas composition T (°C) SV (mL/gcat/h) TOF (s−1) Specific selectivity (%) Residual C2H2 (p.p.m.) Stability (h) Refs.
NHC–Cu C2H2/C2H4 (1/99) 25 9.6 × 105 2.1 × 10−2 >99 ~30 100 This work
Cu1/ND@G C2H2/C2H4/H2/He (1/20/10/69) 200 3 × 103 1.7 × 10−3 >98 500 60 48
Ni3Ga C2H2/C2H4/H2/He (0.5/50/10/39.5) 200 4 × 104 1.4 × 10−6 77 500 50 49
Al13Fe C2H2/C2H4/H2/He (0.5/50/5/44.5) 200 9 × 104 / 82 1000 20 50
Pd/PPS C2H2/C2H4/H2/C3H8/N2 (0.6/49.3/0.9/0.6/48.6) 100 3.26 × 102 / >65 60 200 51
Pd@SOD C2H2/H2/N2 (0.6/6/93.4) 150 3 × 104 / 94.5 12 50 7
Single–atom Pd C2H2/C2H4/H2/He (0.5/50/5/44.5) 120 1.2 × 103 / 93.4 200 3 52
PdZn@ZIF-8C C2H2/C2H4/H2/Ar (0.65/50/5/44.35) 115 4.8 × 104 / 80 2200 12 53
Pd–Pt/SiO2 C2H2/C2H4/H2 (1.67/3.33/95) 80 1.35 × 105 / 40 167 / 8
Ni3ZnC0.7 C2H2/C2H4/H2/He (0.5/20/4.5/75) 200 / / 93 50 12 54
Graphene C2H2/C2H4/H2/N2 (0.1/0.9/3/94) 110 1.46 × 104 / 92 210 / 55