Table 3.

Catalytic activity comparison of Ni/γ-Al2O3-aNaOH catalysts in CPOM.

Catalyst Ni/γ-Al2O3-2PVP	Reaction Temperature (°C)	CH4 Conversion (%XCH4)	H2 Selectivity (%SH2)	CO Selectivity (%SCO)	H2/COratio
1NaOH	700	62.40	81.40	66.00	2.50
	800	86.00	90.50	90.60	2.00
2NaOH	700	74.76	85.75	80.54	2.13
	800	88.00	90.60	91.64	2.00
4NaOH	700	68.63	83.95	73.42	2.30
	800	85.52	91.05	89.97	2.02

Reaction conditions: CH4/O2/N2=2:1:4 (105 mL/min) GHSV (l/kg h) = 157,500 pressure: 1atm