Highly efficient removal of NO with ordered mesoporous manganese oxide at low temperature

RSC Advances ◽  
2015 ◽  
Vol 5 (37) ◽  
pp. 29353-29361 ◽  
Author(s):  
Sihui Zhan ◽  
Dandan Zhu ◽  
Mingying Qiu ◽  
Hongbing Yu ◽  
Yi Li

Highly ordered mesoporous MnO2 was prepared using KIT-6 as a hard template, for selective catalytic reduction (SCR) of NO with NH3 at low temperature, which was characterized using TEM, XRD, BET, XPS, H2-TPR, NH3-TPD and in situ DRIFT.

RSC Advances ◽  
2016 ◽  
Vol 6 (94) ◽  
pp. 91930-91939 ◽  
Author(s):  
Xuanxuan Cai ◽  
Wei Sun ◽  
Waqas Qamar Zaman ◽  
Limei Cao ◽  
Ji Yang

The reaction mechanism of the selective catalytic reduction of NO by hydrogen over Ni1−xCexCo1.95Pd0.05O4 catalysts.


2015 ◽  
Vol 69 (12) ◽  
Author(s):  
Xian-Long Zhang ◽  
Shuang-Shuang Lv ◽  
Cui-Ping Zhang ◽  
Xue-Ping Wu ◽  
Lian-Feng Zhang ◽  
...  

AbstractPalygorskite (PG)-supported manganese oxide catalysts (MnOx/PG) were prepared for the selective catalytic reduction (SCR) of NO with ammonia in the presence of SO


Author(s):  
Jie Yang ◽  
Shan Ren ◽  
Mingming Wang ◽  
Zhicaho Chen ◽  
Lin Chen ◽  
...  

Ce–Ti catalysts were considered as promising replacement for V–Ti based catalysts for selective catalytic reduction (SCR) of nitrogen oxides (NO and NO2) with NH3. In this work, CeO2/TiO2 catalyst was...


Author(s):  
Huiling Zheng ◽  
Renjie Li ◽  
Chengming Zhong ◽  
Zhi Li ◽  
Yikun Kang ◽  
...  

Many transition metal oxides supported on TiO2 have been studied for selective catalytic reduction (SCR) of NO with NH3. However, the trade-off exists between the low-temperature activity and N2 selectivity....


Catalysts ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 202
Author(s):  
Long Lu ◽  
Xueman Wang ◽  
Chunhua Hu ◽  
Ying Liu ◽  
Xiongbo Chen ◽  
...  

Nanosized V-Ce oxides supported on TiO2 (VCT) were prepared and utilized in the low-temperature selective catalytic reduction (SCR) of NO with NH3. Compared with the other V-Ce oxides-based catalysts supported on Al2O3, ZrO2, and ZSM-5, VCT showed the best SCR activity in a low-temperature range. The NOx conversion of 90% could be achieved at 220 °C. Characterizations including X-ray diffraction (XRD), scanning election micrograph (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), temperature-programmed desorption with NH3 (NH3-TPD), and temperature-programmed reduction with H2 (H2-TPR) showed that V1.05Ce1/TiO2 exhibited a good dispersion of V2O5, enrichment of surface Ce3+ and chemical-absorbed oxygen, and excellent redox capacity and acidity, which resulted in the best SCR performance at low temperature.


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