The Effects of SiO2 and CeO2 Addition on the Performances of MnOx/TiO2 Catalysts

被引：1

作者：

Luo, Juhua ^{[1
]}

Mao, Hongkai ^{[1
,2
]}

Wang, Xu ^{[1
]}

Yao, Wei ^{[1
]}

机构：

[1] Yancheng Inst Technol, Sch Mat Engn, Yancheng 224051, Peoples R China

[2] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Peoples R China

来源：

AUSTRALIAN JOURNAL OF CHEMISTRY | 2016年 / 69卷 / 10期

关键词：

MIXED-OXIDE CATALYSTS; LOW-TEMPERATURE; NO REDUCTION; NH3; MN/TIO2; ACIDITY; REACTOR; TIO2; SCR; MN;

D O I：

10.1071/CH16060

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A TiO2-SiO2 mixed oxide was obtained by a co-precipitation method. MnOx-CeO2/TiO2-SiO2 were prepared by an impregnation method and their activity towards the selective catalytic reduction of NO with NH3 at low temperature were evaluated. Compared with pure TiO2, TiO2-SiO2 exhibited an evidently larger surface area and pore volume, and a smaller average pore diameter with narrow distribution. The NO conversion of the MnOx/TiO2-SiO2 catalyst could be improved by the addition of an appropriate amount of CeO2 in the temperature range of 100-180 degrees C. MnOx-CeO2/TiO2-SiO2 with 10 wt-% CeO2 showed the highest activity with 96% NO conversion at 180 degrees C.

引用

页码：1180 / 1185

页数：6

共 50 条

[41] Promotional Effects on NH3-SCR Performance of CeO2-SnO2 Catalysts Doped by TiO2: A Mechanism Study [J].

Liu, Caixia ;

Bi, Yalian ;

Wang, Huijun ;

Zhang, Ziyin ;

Wang, Jian ;

Guo, Mingyu ;

Liu, Qingling .

CATALYSIS SURVEYS FROM ASIA, 2021, 25 (01) :48-57

[42] A comparative study of the water gas shift reaction over platinum catalysts supported on CeO2, TiO2 and Ce-modified TiO2 [J].

Gonzalez, I. D. ;

Navarro, R. M. ;

Wen, W. ;

Marinkovic, N. ;

Rodriguez, J. A. ;

Rosa, F. ;

Fierro, J. L. G. .

CATALYSIS TODAY, 2010, 149 (3-4) :372-379

[43] Grafting of titanium alkoxides on high-surface SiO2 support:: An advanced technique for the preparation of nanostructured TiO2/SiO2 catalysts [J].

Cozzolino, M. ;

Di Serio, M. ;

Tesser, R. ;

Santacesaria, E. .

APPLIED CATALYSIS A-GENERAL, 2007, 325 (02) :256-262

[44] Experimental preparation and optical properties of CeO2/TiO2 heterostructure [J].

Wang, Jingying ;

Zhou, Guanggang ;

He, Rui ;

Huang, Wenqi ;

Zhu, Jianwei ;

Mao, Caiju ;

Wu, Chong ;

Lu, Guiwu .

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T, 2020, 9 (05) :9920-9928

[45] Spectroscopic and mass-spectrometric study of acridine orange photodegradation on the surface of mesoporous TiO2, SiO2/TiO2 and SiO2 films [J].

Surovtseva, N. I. ;

Smirnova, N. P. ;

Fesenko, T. V. ;

Gnatyuk, Yu. I. ;

Eremenko, A. M. ;

Pokrovskiy, V. A. .

JOURNAL OF ADVANCED OXIDATION TECHNOLOGIES, 2008, 11 (03) :551-560

[46] Unravelling water effects on solid acid catalysts: Case study of TiO2/SiO2 as a catalyst for the dehydration of isobutanol [J].

Buniazet, Z. ;

Couble, J. ;

Bianchi, D. ;

Rivallan, M. ;

Cabiac, A. ;

Maury, S. ;

Loridant, S. .

JOURNAL OF CATALYSIS, 2017, 348 :125-134

[47] Boosting the catalytic performance of Pt/TiO2 catalysts in room-temperature formaldehyde elimination by incorporating CeO2 promoters [J].

Zhang, Shuaishuai ;

Zhang, Lingling ;

Liu, Li ;

Chu, Xiang ;

Wang, Xiao ;

Song, Shuyan ;

Zhang, Hongjie .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2023, 663

[48] MnOx/CeO2-TiO2 mixed oxide catalysts for the selective catalytic reduction of NO with NH3 at low temperature [J].

Lee, Sang Moon ;

Park, Kwang Hee ;

Hong, Sung Chang .

CHEMICAL ENGINEERING JOURNAL, 2012, 195 :323-331

[49] Performance and mechanism about MnOx species included in MnOx/TiO2 catalysts for SCR at low temperature [J].

Xie, Junlin ;

Fang, De ;

He, Feng ;

Chen, Junfu ;

Fu, Zhengbing ;

Chen, Xiaolin .

CATALYSIS COMMUNICATIONS, 2012, 28 :77-81

[50] Hydrophilic property of SiO2-TiO2 overlayer films and TiO2/SiO2 mixing films [J].

Guan, KS ;

Xu, H ;

Lü, BJ .

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, 2004, 14 (02) :251-254

← 1 2 3 4 5 →