. 2024 Jul 18;4(4):235–242. doi: 10.1021/acsnanoscienceau.4c00016

Table 2. Turnover Frequency (TOF) and Apparent Activation Energies for rWGS and Methanol Synthesis over Uncoated and SiO₂-Coated CuCeIn and CuZrIn Catalysts.

	TOF (10^–3 s^–1)^a			Apparent activation energy (kJ mol^–1)
Catalyst	CO (rWGS)	CH₃OH	Total (CO + CH₃OH)	CO (rWGS)	CH₃OH
CuCeIn@mSiO₂	0.13	3.30	3.43	105.0	37.2
CuCeIn	0.81	1.31	2.12	116.3	43.1
CuZrIn@mSiO₂	0.14	2.94	3.08	92.9	32.6
CuZrIn	0.93	2.23	3.16	97.1	36.0

Reaction conditions for TOF calculation: T = 498 K, P = 2.5 MPa and WHSV = 14000 mL·g^–1·h^–1, X_CO2 ≤ 4.2%.

Table 2. Turnover Frequency (TOF) and Apparent Activation Energies for rWGS and Methanol Synthesis over Uncoated and SiO2-Coated CuCeIn and CuZrIn Catalysts.