Investigation of coating technology and catalytic performance over monolithic V2O5–WO3/TiO2 catalyst for selective catalytic reduction of NO with NH3

Author(s):  
Kun Zhao ◽  
Weiliang Han ◽  
Zhicheng Tang ◽  
Guodong Zhang ◽  
Jiangyin Lu ◽  
...  
Clay Minerals ◽  
1997 ◽  
Vol 32 (4) ◽  
pp. 665-672 ◽  
Author(s):  
K. Bahranowski ◽  
J. Janas ◽  
T. Machej ◽  
E. M. Serwicka ◽  
L. A. Vartikian

AbstractA series of V-doped titania-pillared clay catalysts, characterized by ICP-AES chemical analysis, X-ray diffraction, BET surface area measurement, and ESR spectroscopy, have been tested in the selective catalytic reduction of NO by NH3. An ESR analysis shows that V dopant is anchored to the titania pillars. Vanadyl species with differing degrees of in-plane V-O π-covalent bonding are produced depending on the method of sample preparation. Polymeric V species appear as the V content is increased. Catalytic performance of these systems depends on the method of preparation and on the V content. The best catalyst, converting 90-100% NO in the temperature range 523-623 K, is obtained by exchange of pillared montmorillonite with vanadyl ions, at an extent of exchange below the level where significant amounts of polymeric V species appear. The co-pillared catalyst, containing vanadyl centres characterized by a higher degree of in-plane ncovalent bonding (according to ESR), is less selective than the exchanged samples.


RSC Advances ◽  
2016 ◽  
Vol 6 (14) ◽  
pp. 11226-11232 ◽  
Author(s):  
Ning-zhi Yang ◽  
Rui-tang Guo ◽  
Qing-shan Wang ◽  
Wei-guo Pan ◽  
Qi-lin Chen ◽  
...  

The deactivation mechanism of phosphorous on a Mn/TiO2 catalyst for selective catalytic reduction of NO with NH3 was investigated in this study.


2010 ◽  
Vol 96 (3-4) ◽  
pp. 408-420 ◽  
Author(s):  
Fudong Liu ◽  
Hong He ◽  
Changbin Zhang ◽  
Zhaochi Feng ◽  
Lirong Zheng ◽  
...  

RSC Advances ◽  
2019 ◽  
Vol 9 (65) ◽  
pp. 37724-37732 ◽  
Author(s):  
Lin Li ◽  
Lin Chen ◽  
Ming Kong ◽  
Qingcai Liu ◽  
Shan Ren

Synergies between arsenic (As) and potassium (K) species in the deactivation of V2O5-WO3/TiO2 catalyst were investigated.


RSC Advances ◽  
2018 ◽  
Vol 8 (32) ◽  
pp. 17677-17684
Author(s):  
Ye Jiang ◽  
Mingyuan Lu ◽  
Shaojun Liu ◽  
Changzhong Bao ◽  
Guitao Liang ◽  
...  

The effect of HCl on a CeO2–MoO3/TiO2 catalyst for the selective catalytic reduction of NO with NH3.


2019 ◽  
Vol 40 (6) ◽  
pp. 849-855 ◽  
Author(s):  
Yiyang Zhang ◽  
Hui Zeng ◽  
Bin Jia ◽  
Zhihua Wang ◽  
Zhiming Liu

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