CIESC Journal ›› 2022, Vol. 73 ›› Issue (7): 3026-3037.DOI: 10.11949/0438-1157.20220341
• Catalysis, kinetics and reactors • Previous Articles Next Articles
Yong’an CHEN1,2(),Anning ZHOU1,2(),Yunlong LI1,3,Zhiwei SHI1,2,Xinfu HE1,2,Weihong JIAO1,2
Received:
2022-03-06
Revised:
2022-04-24
Online:
2022-08-01
Published:
2022-07-05
Contact:
Anning ZHOU
陈永安1,2(),周安宁1,2(),李云龙1,3,石智伟1,2,贺新福1,2,焦卫红1,2
通讯作者:
周安宁
作者简介:
陈永安(1997—),男,硕士研究生, 基金资助:
CLC Number:
Yong’an CHEN, Anning ZHOU, Yunlong LI, Zhiwei SHI, Xinfu HE, Weihong JIAO. Preparation and coal pyrolysis performance of magnetic MgFe2O4 and its core-shell catalysts[J]. CIESC Journal, 2022, 73(7): 3026-3037.
陈永安, 周安宁, 李云龙, 石智伟, 贺新福, 焦卫红. 磁性MgFe2O4及其核壳催化剂制备与煤热解性能研究[J]. 化工学报, 2022, 73(7): 3026-3037.
Proximate analysis/%(mass,ad) | Ultimate analysis/%(mass,ad) | |||||||
---|---|---|---|---|---|---|---|---|
M | A | V | FC① | C | H | N | S | O① |
9.58 | 4.4 | 30.42 | 55.6 | 82.42 | 5.16 | 1.23 | 0.26 | 10.93 |
Table 1 Proximate analysis and ultimate analysis of BLT-coal
Proximate analysis/%(mass,ad) | Ultimate analysis/%(mass,ad) | |||||||
---|---|---|---|---|---|---|---|---|
M | A | V | FC① | C | H | N | S | O① |
9.58 | 4.4 | 30.42 | 55.6 | 82.42 | 5.16 | 1.23 | 0.26 | 10.93 |
催化剂 | SBET/(m2/g) | DBJH/nm | Vtotal/(10-2 cm3/g) |
---|---|---|---|
MgFe2O4 | 9.94 | 26.19 | 7.32 |
MgFe2O4@SiO2 | 35.35 | 14.01 | 14.82 |
MSH | 321.13 | 4.20 | 7.32 |
Table 2 Specific surface area and pore structure parameters of magnetic catalyst
催化剂 | SBET/(m2/g) | DBJH/nm | Vtotal/(10-2 cm3/g) |
---|---|---|---|
MgFe2O4 | 9.94 | 26.19 | 7.32 |
MgFe2O4@SiO2 | 35.35 | 14.01 | 14.82 |
MSH | 321.13 | 4.20 | 7.32 |
催化剂 | 半焦产率/% | 焦油产率/% | 气体产率/% | 水产率/% |
---|---|---|---|---|
none | 68.13 65.76 64.94 65.67 | 9.42 14.25 12.16 14.86 | 16.19 14.46 16.73 14.82 | 6.26 5.53 6.17 4.61 |
MgFe2O4 | ||||
MgFe2O4@SiO2 | ||||
MSH |
Table 3 Effect of magnetic catalyst on distribution of pyrolysis products
催化剂 | 半焦产率/% | 焦油产率/% | 气体产率/% | 水产率/% |
---|---|---|---|---|
none | 68.13 65.76 64.94 65.67 | 9.42 14.25 12.16 14.86 | 16.19 14.46 16.73 14.82 | 6.26 5.53 6.17 4.61 |
MgFe2O4 | ||||
MgFe2O4@SiO2 | ||||
MSH |
催化剂 | 苯类/% | 酚类/% | 脂肪 烃类/% | 稠环芳 烃类/% | 其他/% |
---|---|---|---|---|---|
none | 1.37 | 18.04 | 12.85 | 34.22 | 33.52 |
MgFe2O4 | 4.18 | 18.58 | 18.28 | 28.67 | 30.29 |
MgFe2O4@SiO2 | 4.02 | 18.21 | 17.98 | 28.91 | 30.88 |
MSH | 4.12 | 17.84 | 23.53 | 25.63 | 29.88 |
Table 4 Content of BLT-coal pyrolysis tar on different catalysts
催化剂 | 苯类/% | 酚类/% | 脂肪 烃类/% | 稠环芳 烃类/% | 其他/% |
---|---|---|---|---|---|
none | 1.37 | 18.04 | 12.85 | 34.22 | 33.52 |
MgFe2O4 | 4.18 | 18.58 | 18.28 | 28.67 | 30.29 |
MgFe2O4@SiO2 | 4.02 | 18.21 | 17.98 | 28.91 | 30.88 |
MSH | 4.12 | 17.84 | 23.53 | 25.63 | 29.88 |
催化剂 | 半焦产率/% | 焦油产率/% | 气体产率/% | 水产率/% |
---|---|---|---|---|
1R-MgFe2O4 | 65.97 | 13.23 | 14.98 | 5.82 |
1R-MgFe2O4@SiO2 | 65.01 | 11.54 | 16.98 | 6.47 |
1R-MSH | 66.63 | 13.08 | 15.12 | 5.17 |
Table 5 Effect of recovery of magnetic catalyst on distribution of pyrolysis products
催化剂 | 半焦产率/% | 焦油产率/% | 气体产率/% | 水产率/% |
---|---|---|---|---|
1R-MgFe2O4 | 65.97 | 13.23 | 14.98 | 5.82 |
1R-MgFe2O4@SiO2 | 65.01 | 11.54 | 16.98 | 6.47 |
1R-MSH | 66.63 | 13.08 | 15.12 | 5.17 |
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