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. 2019 Jan 11;10:167. doi: 10.1038/s41467-018-08019-7

Fig. 2.

Fig. 2

Catalytic performance over 70 h time-on-stream. Reaction conditions: 240 °C, 3 bar, and H2/CO = 2. a Activity in terms of %CO conversion (black solid circles) and selectivity towards methane, CH4 (blue solids diamonds), C2–C4 olefins (red solid squares), and C5+ (grey solid triangles) of Co1Mn3–Na2S over time, and b activity in terms of cobalt-time-yield, CTY, of various Co-based catalysts, namely Co1Mn3 (black open circles), Co1Mn3–Na2O (grey solid circles), Co1Mn3–Na2S2O3 (grey solid with black outline circles), Co1Mn3–Na2S (black solids circles), Co3Mn1 (blue open diamonds), Co3Mn1–Na2S (blue solid diamonds), Co3Mn1–Na2O (light blue solid diamonds), and bulk Co (red squares) over time