CIESC Journal ›› 2022, Vol. 73 ›› Issue (6): 2677-2689.DOI: 10.11949/0438-1157.20220140
• Catalysis, kinetics and reactors • Previous Articles Next Articles
Bo MENG1(),Yanping LIU1,Xinke JIANG1,Yifan HAN1,2()
Received:
2022-01-23
Revised:
2022-03-08
Online:
2022-06-30
Published:
2022-06-05
Contact:
Yifan HAN
通讯作者:
韩一帆
作者简介:
孟博(1983—),男,博士研究生,副教授,基金资助:
CLC Number:
Bo MENG, Yanping LIU, Xinke JIANG, Yifan HAN. The scale regulation of Fe5C2-MnO x and their catalytic performance for the preparation of olefins from syngas[J]. CIESC Journal, 2022, 73(6): 2677-2689.
孟博, 刘艳萍, 蒋新科, 韩一帆. Fe5C2-MnO x 尺度调控及催化合成气制烯烃性能研究[J]. 化工学报, 2022, 73(6): 2677-2689.
催化剂 | 比表面积/(m2?g-1) | 孔容/ (m3?g-1) | 孔径/nm | 平均尺寸/nm |
---|---|---|---|---|
Fe(纯铁) | 91.04 | 0.29 | 8.69 | 65.91 |
GC | 158.61 | 0.33 | 6.03 | 37.83 |
CC-Fe | 120.29 | 0.27 | 6.62 | 49.88 |
CC-Mn | 147.98 | 0.36 | 7.19 | 40.55 |
JH-hd | 124.47 | 0.27 | 6.45 | 48.21 |
JH-dh | 98.76 | 0.30 | 9.19 | 60.76 |
Mn(纯锰) | 102.31 | 0.27 | 7.61 | 58.64 |
Table 1 Texture properties of the Fe-Mn catalysts
催化剂 | 比表面积/(m2?g-1) | 孔容/ (m3?g-1) | 孔径/nm | 平均尺寸/nm |
---|---|---|---|---|
Fe(纯铁) | 91.04 | 0.29 | 8.69 | 65.91 |
GC | 158.61 | 0.33 | 6.03 | 37.83 |
CC-Fe | 120.29 | 0.27 | 6.62 | 49.88 |
CC-Mn | 147.98 | 0.36 | 7.19 | 40.55 |
JH-hd | 124.47 | 0.27 | 6.45 | 48.21 |
JH-dh | 98.76 | 0.30 | 9.19 | 60.76 |
Mn(纯锰) | 102.31 | 0.27 | 7.61 | 58.64 |
催化剂 | 晶相含量①/% | ||||
---|---|---|---|---|---|
MnFe2O4 | Fe5C2 | Fe3C | Fe2C | MnO | |
GC | 17.9 | 55.2 | 26.9 | — | — |
CC-Fe | 17.1 | 15.9 | 62.0 | 5.0 | — |
CC-Mn | 31.7 | 20.3 | 31.7 | — | 16.3 |
JH-hd | 20.9 | 9.3 | 69.8 | — | — |
JH-dh | 37.9 | — | 38.6 | — | 23.5 |
Table 2 Crystal phase content of Fe-Mn catalysts prepared by different methods
催化剂 | 晶相含量①/% | ||||
---|---|---|---|---|---|
MnFe2O4 | Fe5C2 | Fe3C | Fe2C | MnO | |
GC | 17.9 | 55.2 | 26.9 | — | — |
CC-Fe | 17.1 | 15.9 | 62.0 | 5.0 | — |
CC-Mn | 31.7 | 20.3 | 31.7 | — | 16.3 |
JH-hd | 20.9 | 9.3 | 69.8 | — | — |
JH-dh | 37.9 | — | 38.6 | — | 23.5 |
催化剂 | 晶粒尺寸①/nm | |
---|---|---|
Fe5C2 | Fe3C | |
GC | 19.69 | 28.44 |
CC-Fe | 20.80 | 16.82 |
CC-Mn | 26.68 | 27.12 |
JH-hd | 27.14 | 21.68 |
JH-dh | — | 26.79 |
Table 3 Grain sizes of Fe-Mn catalysts prepared by different methods
催化剂 | 晶粒尺寸①/nm | |
---|---|---|
Fe5C2 | Fe3C | |
GC | 19.69 | 28.44 |
CC-Fe | 20.80 | 16.82 |
CC-Mn | 26.68 | 27.12 |
JH-hd | 27.14 | 21.68 |
JH-dh | — | 26.79 |
催化剂 | CO conversion/% | FTY① | CO2 selectivity/% | Hydrocarbon distribution②/% | α | O/P③ | |||
---|---|---|---|---|---|---|---|---|---|
CH4 | C5+ | ||||||||
GC | 20.07 | 4.37 | 6.37 | 13.28 | 17.45 | 38.60 | 24.29 | 0.54 | 2.32 |
CC-Fe | 15.49 | 2.77 | 22.97 | 17.55 | 14.48 | 20.11 | 19.71 | 0.71 | 1.47 |
CC-Mn | 14.36 | 2.23 | 33.08 | 9.49 | 14.19 | 27.95 | 15.28 | 0.53 | 2.25 |
JH-hd | 8.41 | 1.55 | 20.84 | 26.13 | 13.44 | 23.62 | 15.97 | 0.58 | 1.99 |
JH-dh | 4.63 | 0.89 | 17.23 | 21.56 | 14.14 | 26.08 | 20.98 | 0.55 | 2.04 |
Table 4 Summary of STO performance for Fe-Mn catalysts prepared by different methods
催化剂 | CO conversion/% | FTY① | CO2 selectivity/% | Hydrocarbon distribution②/% | α | O/P③ | |||
---|---|---|---|---|---|---|---|---|---|
CH4 | C5+ | ||||||||
GC | 20.07 | 4.37 | 6.37 | 13.28 | 17.45 | 38.60 | 24.29 | 0.54 | 2.32 |
CC-Fe | 15.49 | 2.77 | 22.97 | 17.55 | 14.48 | 20.11 | 19.71 | 0.71 | 1.47 |
CC-Mn | 14.36 | 2.23 | 33.08 | 9.49 | 14.19 | 27.95 | 15.28 | 0.53 | 2.25 |
JH-hd | 8.41 | 1.55 | 20.84 | 26.13 | 13.44 | 23.62 | 15.97 | 0.58 | 1.99 |
JH-dh | 4.63 | 0.89 | 17.23 | 21.56 | 14.14 | 26.08 | 20.98 | 0.55 | 2.04 |
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