Catalytic Performance of Fe-Mn/SiO₂ Nanocatalysts for CO Hydrogenation

Table 4

Effect of different H₂/CO feed ratio on the catalytic performance of catalyst.

H2/CO molar ratio		1/1	2/1	3/2	3/1
CO conversion (%)		58.7	67.4	70.8	58.3
	CH4	19.8	18.5	16.4	20.4
	∑C2-C4	52.7	56.8	60.9	50.4
	C2H6	6.3	4.9	6.5	8.7
	C2H4	15.2	17.7	18.2	13.3
	C3H8	7.6	8.4	7.4	7.2
Product selectivity (%)	C3H6	8.0	9.5	10.4	7.1
	C4H10	6.1	4.1	5.3	6.5
	C4H8	9.5	12.2	13.1	7.6
	∑C5-C9	12.8	10.5	11.2	12.3
	C10+	9.4	10.9	8.5	10.4
	CO2	5.3	3.3	3.0	6.5
	C2-C4	1.6	2.3	2.2	1.3
Olefin/parrafin ratio	C2	2.4	3.6	2.8	1.5
	C3	1.1	1.1	1.4	1.0
	C4	0.5	3.0	2.5	1.2

Reaction conditions: GHSV = 1000 h⁻¹, 𝑃=1 bar at 250°C.