CrOx-CeO2二元氧化物表面NO的NH3催化还原反应机理

引用本文: 刘海弟, 李伟曼, 黄亿苹, 陈运法. CrO_x-CeO₂二元氧化物表面NO的NH₃催化还原反应机理[J]. 无机化学学报, 2013, 29(11): 2399-2404. doi: 10.3969/j.issn.1001-4861.2013.00.316 shu

Citation: LIU Hai-Di, LI Wei-Man, YUE Ren-Liang, CHEN Yun-Fa. Reaction Mechanism of NH₃-Selective Catalytic Reduction for NO on CrO_x-CeO₂ Binary Oxide[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(11): 2399-2404. doi: 10.3969/j.issn.1001-4861.2013.00.316 shu

CrO_x-CeO₂二元氧化物表面NO的NH₃催化还原反应机理

基金项目:
中国科学院知识创新工程重要方向项目(No.KZCX2-EW-403) (No.KZCX2-EW-403)

国家自然科学基金(No.21107111)资助项目。 (No.21107111)

摘要: 利用原位漫反射红外光谱法研究了473K下在CrO_x-CeO₂二元氧化物表面NO的NH₃催化还原反应的机理。研究了CrO_x-CeO₂二元氧化物表面在反应过程中的表面吸附物种。为了更加清晰的了解反应过程,在SCR反应过程中分别切断NH₃和NO的气流,并采集了所生成的原位漫反射红外光谱图,通过研究以上结果得出结论:当前状态下的SCR反应过程可能服从E-R机理。

关键词:

Cr₂O₃;CeO₂;SCR;NO_x;原位红外

English

1. [1] Costa C N, Efstathiou A M. Appl. Catal. B, 2007,72:240-252[1] Costa C N, Efstathiou A M. Appl. Catal. B, 2007,72:240-252
2. [2] Pérez-Hernández R, Aguilar F, Gómez-Cortés A, et al. Catal. Today, 2005,107-108:175-180[2] Pérez-Hernández R, Aguilar F, Gómez-Cortés A, et al. Catal. Today, 2005,107-108:175-180
3. [3] Huang Y, Tong Z Q, Wu B, et al. J. Fuel Chem. Tech., 2008,36(5):616-620[3] Huang Y, Tong Z Q, Wu B, et al. J. Fuel Chem. Tech., 2008,36(5):616-620
4. [4] Amin N A S, Tan E F, Manan Z A. Appl. Catal. B, 2003,43: 57-69[4] Amin N A S, Tan E F, Manan Z A. Appl. Catal. B, 2003,43: 57-69
5. [5] Casapu M, Kröcher O, Elsener M. Appl. Catal. B, 2009,88: 413-419[5] Casapu M, Kröcher O, Elsener M. Appl. Catal. B, 2009,88: 413-419
6. [6] Qi G S, Yang R T. J. Catal., 2003,217(2):434-441[6] Qi G S, Yang R T. J. Catal., 2003,217(2):434-441
7. [7] Shen Y S, Zhu S M, Qiu T, et al. Catal. Commun., 2009,11: 20-23[7] Shen Y S, Zhu S M, Qiu T, et al. Catal. Commun., 2009,11: 20-23
8. [8] Wu Z B, Jin R B, Liu Y, et al. Catal. Commun., 2008,9: 2217-2220[8] Wu Z B, Jin R B, Liu Y, et al. Catal. Commun., 2008,9: 2217-2220
9. [9] Carja G, Kameshima Y, Okada K, et al. Appl. Catal. B, 2007,73:60-64[9] Carja G, Kameshima Y, Okada K, et al. Appl. Catal. B, 2007,73:60-64
10. [10]Kijlstra W S, Brands D S, Poels E K, et al. Catal. Today, 1999,50:133-140[10]Kijlstra W S, Brands D S, Poels E K, et al. Catal. Today, 1999,50:133-140
11. [11]Ettireddy P R, Ettireddy N, Mamedov S, et al. Appl. Catal. B, 2007,76:123-134[11]Ettireddy P R, Ettireddy N, Mamedov S, et al. Appl. Catal. B, 2007,76:123-134
12. [12]Liu H D, Wei L Q, Yue R L, et al. Catal. Commun., 2010, 11:829-833[12]Liu H D, Wei L Q, Yue R L, et al. Catal. Commun., 2010, 11:829-833
13. [13]Machida M, Uto M, Kurogi D, et al. Chem. Mater., 2000,12: 3158-3164[13]Machida M, Uto M, Kurogi D, et al. Chem. Mater., 2000,12: 3158-3164
14. [14]Casapu M, Krcher O, Mehring M, et al. J. Phys. Chem. C, 2010,114:97919801[14]Casapu M, Krcher O, Mehring M, et al. J. Phys. Chem. C, 2010,114:97919801
15. [15]Tsyganenko A A, Pozdnyakov D V, Filimonov V N. J. Mol. Struct., 1975,29:299318[15]Tsyganenko A A, Pozdnyakov D V, Filimonov V N. J. Mol. Struct., 1975,29:299318
16. [16]Centeno M A, Carrizosa I, Odriozola J A. Appl. Catal. B, 1998,19:67-73[16]Centeno M A, Carrizosa I, Odriozola J A. Appl. Catal. B, 1998,19:67-73
17. [17]Ding N, Kondo J, Maruya K, et al. Catal. Lett., 1993,17:309-317[17]Ding N, Kondo J, Maruya K, et al. Catal. Lett., 1993,17:309-317
18. [18]Curry-Hyde H E, Musch H, Baiker A, et al. J. Catal., 1992, 133:397-414[18]Curry-Hyde H E, Musch H, Baiker A, et al. J. Catal., 1992, 133:397-414
19. [19]Schraml-Marth M, Wokaun A, Curry-Hyde H E, et al. J. Catal., 1992,133:415-430[19]Schraml-Marth M, Wokaun A, Curry-Hyde H E, et al. J. Catal., 1992,133:415-430
20. [20]Schraml-Marth M, Wokaun A, Curry-Hyde H E, et al. J. Catal., 1992,133:431-444[20]Schraml-Marth M, Wokaun A, Curry-Hyde H E, et al. J. Catal., 1992,133:431-444
21. [21]Kijlstra W S, Brands D S, Poels E K, et al. J. Catal., 1997, 171(1):208-218[21]Kijlstra W S, Brands D S, Poels E K, et al. J. Catal., 1997, 171(1):208-218
22. [22]Machida M, Uto M, Kurogi D, et al. J. Mater. Chem., 2001, 11:900-904[22]Machida M, Uto M, Kurogi D, et al. J. Mater. Chem., 2001, 11:900-904
23. [23]Guan B, Lin H, Zhu L, et al. Chem. Eng. J., 2012,181-182: 307-322[23]Guan B, Lin H, Zhu L, et al. Chem. Eng. J., 2012,181-182: 307-322
24. [24]Zhao Q S, Xiang J, Sun L S, et al. Energy Fuels, 2009,23: 1539-1544[24]Zhao Q S, Xiang J, Sun L S, et al. Energy Fuels, 2009,23: 1539-1544
25. [25]Qi G S, Yang R T, Chang R. Appl. Catal. B, 2004,51(1):93-106[25]Qi G S, Yang R T, Chang R. Appl. Catal. B, 2004,51(1):93-106
26. [26]Sun Q, Gao Z X, Wen B, et al. Catal. Lett., 2002,78:1-5[26]Sun Q, Gao Z X, Wen B, et al. Catal. Lett., 2002,78:1-5
27. [27]Chen J P, Yang R T. J. Catal., 1993,139(1):277-288[27]Chen J P, Yang R T. J. Catal., 1993,139(1):277-288
28. [28]Tronconi E, Nova I, Ciardelli C, et al. Catal. Today, 2005, 105(3-4):529-536[28]Tronconi E, Nova I, Ciardelli C, et al. Catal. Today, 2005, 105(3-4):529-536
29. [29]Centeno M A, Carrizosa I, Odriozola J A. Appl. Catal. B, 1998,19(1):67-73[29]Centeno M A, Carrizosa I, Odriozola J A. Appl. Catal. B, 1998,19(1):67-73
30. [30]Nova I, Lietti L, Tronconi E, et al. Catal. Today, 2000,60(1-2):73-82[30]Nova I, Lietti L, Tronconi E, et al. Catal. Today, 2000,60(1-2):73-82
31. [31]Soyer S, Uzun A, Senkan S, et al. Catal. Today, 2006,118: 268-278[31]Soyer S, Uzun A, Senkan S, et al. Catal. Today, 2006,118: 268-278

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沈阳化工大学材料科学与工程学院沈阳 110142

CrO_x-CeO₂二元氧化物表面NO的NH₃催化还原反应机理

English

Reaction Mechanism of NH₃-Selective Catalytic Reduction for NO on CrO_x-CeO₂ Binary Oxide

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