Table 1.

Comparative activity analysis of partial CO-PROX monolithic catalysts.

Catalyst	Carrier Type	Preparation Method	Reaction Conditions	T50% (°C)	T100% (°C)	#
Pt/Al2O3	Cordierite monoliths	Washcoating method	1% CO, 1% O2, 15% CO2, 20% H2O, 50% H2, N2 balance	180	180–230 (>90%)	[17]
5 wt.% Pt/0.5 wt.% Fe/γ-Al2O3	Cordierite monoliths	Washcoating method	42% H2, 9% CO2, 12% H2O, 1% CO, 1%O2, N2 balance	-	100 (80%)	[23]
Pt-Cu-Fe/Al2O3	Cordierite monoliths	Washcoating method	O2: 4500 ppm, 25% H2O, CO: 3000 ppm	-	80–100	[24]
Pt/Z-PM	Cordierite monoliths	Washcoating method	1% CO, 1.5% O2, H2 balance	75	/	[18]
1 wt.% Ru/γ-Al2O3	Cordierite monoliths	Washcoating method	0.5% CO, 2% O2, 28.5% CO2, 69% H2	140	150–200	[27]
Au/TiO2	Cordierite monoliths	Washcoating method	1.41% CO, 24.33% CO2, H2 balance, O2/CO = 0.4–4.1	100	/	[21]
CuO/CeO2	SiC monoliths	Washcoating method	CO/O2/H2 = 0.5/0.9/50	90	140–180	[41]
CuO/CeO2	SiC monoliths	Washcoating method	CO/O2/H2 = 0.5/0.9/50	90	120–140	[42]
AuCu/CeO2-SiO2	Cordierite monoliths	Washcoating method	19.9% H2, 6.3% CO, 5.2%CO2, 5.6% O2, 7.8% H2O, 55.2% N2	185	260–300	[43]
Pt-Ni	Macro-porous monolithic γ-Al2O3	Template method and washcoating method	1% CO, 1% O2, and 50% H2 in N2 balance	60	100–175	[45]
CuO/CeO2	Macro-porous monolithic γ-Al2O3	Template method and washcoating method	1% CO, 1% O2, 50% H2, 15% CO2, 8% H2O in N2	90	120–160	[46]
Pt/γ-Al2O3	Macro-porous monolithic γ-Al2O3	Template method and washcoating method	1% CO, 1% O2, 50% H2 in N2	180	225–275	[47]
K-Pt/γ-Al2O3	Macro-porous monolithic γ-Al2O3	Template method and washcoating method	1% CO, 1% O2, 50% H2 in N2	150	200–275	[47]
Pd/SiO2	Novel hierarchical SiO2 monolithic microreactors	Sol-gel method and impregnation method	2% CO, 2% O22, 30% H2, balance He.	160	/	[48]
Pt/SiO2	Novel hierarchical SiO2 monolithic microreactors	Sol-gel method and impregnation method	2% CO, 2% O2, 30% H, balance He.	190	/	[48]
CuO-CeO2	Al-fiber	Steam oxidation method and impregnation method	CO/O2/H2 = 0.5/0.5/49.5 (balance N2)	100	140–180	[49]
Co/CeO2	Cordierite monoliths	Washcoating method	1% CO, 1% O2, 40% H2, He balance	120	160	[51]
CuO/CeO2	Commercial honeycomb monoliths	Washcoating method	CO/O2/H2 = 0.5/0.9/50 (balance N2)	90	140–200	[52]
CuO/CeO2	Ceramic monolith	Direct coating	39% H2, 20% CO2, 1% CO, balance: N2	110	140–210	[53]