Table 3. Ce and Cu doped Ni-based catalysts for hydrogen production in methanol aqueous-phase reforming at 230°C and 3.2 MPa (5 wt. % methanol concentration) (IWI – incipient wetness impregnation, WI – wetness impregnation, WHSV – weight hourly space velocity).

Metal	Support	Metal loading (wt. %)	Preparation method	Methanol conversion (%)	WHSV (h -1)	H 2 yield (%)	H 2 prodution rate (µmol/min/ g catalyst)	Ref.
Ni-Cu	[CeO 2] 0.25-[ZrO 2] 0.75	Ni 10 Cu 5	IWI	38	3.6	101	2100	31
Ni-Cu	SiO 2	Ni 10 Cu 5	IWI		2	1.0	10.9	32
Ni-Cu	Al 2O 3	Ni 13 Cu 1.3	IWI		2	6.2	63.5	32
Ni-Ce	[CeO 2] 0.25-[ZrO 2] 0.75	Ni 10 Ce 5	IWI	12	3.6	18	620	31
Ni-Ce	Al 2O 3	Ni 13 Ce 1.3	IWI	19	3.6	28	950	31
Ni-Ce	SiO 2	Ni 10 Cu 5	IWI		2	3.4	34.19	32
Ni-Ce	Al 2O 3	Ni 13 Cu 1.3	IWI		2	8.3	84.7	32
Ni-Ce	ZrO 2	Ni 5.9 Ce 12.6	IWI	40	4	34		45
Ni-Ce	Calcia-stabilized ZrO 2	Ni 5.9 Ce 13	IWI	68	4	57		45
Ni-Ce	Calcia-stabilized ZrO 2	Ni 5.5 Ce 13.5	IWI	44	4	33		45
Ni-Ce	Yttria-stabilized ZrO 2	Ni 5.5 Ce 12.7	IWI	54	4	40		45