Fischer-Tropsch Synthesis over Iron Manganese Catalysts: Effect of Preparation and Operating Conditions on Catalyst Performance

Table 13

Effect of different total pressures on the catalytic performance of 50%Fe/50%Mn/5 wt%Al₂O₃ catalyst.

		Selectivity (%)
Pressure (bar)	CO conversion (%)	CH4	C2H4	C3H6	C4H8	C5^+
1	84.4	29.8	29.2	11.2	2.1	13.8
2	84.0	26.5	30.7	11.9	2.6	15.6
3	84.0	25.6	34.5	12.5	3.0	16.0
4	84.1	25.1	37.2	12.8	3.2	17.5
5	84.8	23.8	38.9	13.0	3.5	18.7
6	84.0	19.8	40.1	13.2	5.9	20.5
7	83.8	19.7	31.8	12.9	5.7	27.2
8	82.2	19.5	31.2	12.1	5.3	29.6
9	82.8	19.3	30.1	11.0	5.4	30.0
10	78.2	19.0	28.0	10.3	3.5	34.4
11	78.0	18.8	27.7	10.5	2.9	35.6
12	76.6	18.0	27.1	9.2	2.7	38.0
13	71.6	17.2	24.5	7.5	2.1	39.6
14	68.2	16.7	22.2	7.2	2.0	41.7
15	64.2	16.5	21.0	6.7	1.5	43.2