CIESC Journal ›› 2022, Vol. 73 ›› Issue (2): 672-680.DOI: 10.11949/0438-1157.20211230
• Catalysis, kinetics and reactors • Previous Articles Next Articles
Wei ZHOU1,2,3(),Fuye WANG3,Ning HE3,Haibin YU2,Xinbin MA1,Jiaxu LIU3()
Received:
2021-08-25
Revised:
2021-11-15
Online:
2022-02-18
Published:
2022-02-05
Contact:
Jiaxu LIU
周微1,2,3(),王福烨3,贺宁3,于海斌2,马新宾1,刘家旭3()
通讯作者:
刘家旭
作者简介:
周微(1985—),女,博士,CLC Number:
Wei ZHOU, Fuye WANG, Ning HE, Haibin YU, Xinbin MA, Jiaxu LIU. Study on the relationship of active centers and catalytic performance of Cu/SSZ-13 for NH3-SCR[J]. CIESC Journal, 2022, 73(2): 672-680.
周微, 王福烨, 贺宁, 于海斌, 马新宾, 刘家旭. Cu/SSZ-13催化剂脱硝活性中心与催化性能构效关系的研究[J]. 化工学报, 2022, 73(2): 672-680.
Catalyst | BET/(m2/g) | Sg,mic /(m2/g) | Sg,extern /(m2/g) | Vpores /(cm3/g) | Vmicro /(cm3/g) | Vmeso/(cm3/g) |
---|---|---|---|---|---|---|
SSZ-13 | 653 | 619 | 34 | 0.32 | 0.27 | 0.05 |
Cu0.44/SSZ-13 | 647 | 618 | 29 | 0.31 | 0.25 | 0.06 |
Cu0.50/SSZ-13 | 646 | 617 | 29 | 0.30 | 0.25 | 0.05 |
Cu0.58/SSZ-13 | 623 | 592 | 31 | 0.30 | 0.24 | 0.06 |
Ce0.10Cu0.44/SSZ-13 | 615 | 580 | 25 | 0.29 | 0.24 | 0.05 |
Ce0.10Cu0.50/SSZ-13 | 614 | 581 | 26 | 0.28 | 0.23 | 0.05 |
Cu0.44/SSZ-13-st-800-16 | 404 | 379 | 25 | 0.21 | 0.16 | 0.05 |
Cu0.50/SSZ-13-st-800-16 | 192 | 174 | 18 | 0.11 | 0.07 | 0.04 |
Cu0.58/SSZ-13-st-800-16 | 87 | 74 | 13 | 0.07 | 0.05 | 0.02 |
Ce0.10Cu0.44/SSZ-13-st-800-16 | 466 | 434 | 32 | 0.25 | 0.19 | 0.06 |
Ce0.10Cu0.50/SSZ-13-st-800-16 | 372 | 344 | 28 | 0.18 | 0.14 | 0.04 |
Table 1 N2 physical adsorption-desorption results of Cu-loaded SSZ-13 zeolites
Catalyst | BET/(m2/g) | Sg,mic /(m2/g) | Sg,extern /(m2/g) | Vpores /(cm3/g) | Vmicro /(cm3/g) | Vmeso/(cm3/g) |
---|---|---|---|---|---|---|
SSZ-13 | 653 | 619 | 34 | 0.32 | 0.27 | 0.05 |
Cu0.44/SSZ-13 | 647 | 618 | 29 | 0.31 | 0.25 | 0.06 |
Cu0.50/SSZ-13 | 646 | 617 | 29 | 0.30 | 0.25 | 0.05 |
Cu0.58/SSZ-13 | 623 | 592 | 31 | 0.30 | 0.24 | 0.06 |
Ce0.10Cu0.44/SSZ-13 | 615 | 580 | 25 | 0.29 | 0.24 | 0.05 |
Ce0.10Cu0.50/SSZ-13 | 614 | 581 | 26 | 0.28 | 0.23 | 0.05 |
Cu0.44/SSZ-13-st-800-16 | 404 | 379 | 25 | 0.21 | 0.16 | 0.05 |
Cu0.50/SSZ-13-st-800-16 | 192 | 174 | 18 | 0.11 | 0.07 | 0.04 |
Cu0.58/SSZ-13-st-800-16 | 87 | 74 | 13 | 0.07 | 0.05 | 0.02 |
Ce0.10Cu0.44/SSZ-13-st-800-16 | 466 | 434 | 32 | 0.25 | 0.19 | 0.06 |
Ce0.10Cu0.50/SSZ-13-st-800-16 | 372 | 344 | 28 | 0.18 | 0.14 | 0.04 |
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