Promotional effect of acidic oxide on catalytic activity and N 2 selectivity over CeO 2 for selective catalytic reduction of NO x by NH 3

2019 ◽  
Vol 33 (6) ◽  
pp. e4919 ◽  
Author(s):  
Zhongxian Song ◽  
Pan Liu ◽  
Yongmei Fu ◽  
Hongpan Liu ◽  
Zhenzhen Huang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Selective Catalytic Reduction ◽  
Catalytic Reduction ◽  
Reduction Of No ◽  
Promotional Effect

scholarly journals Insights into the promotion role of phosphorus doping on carbon as a metal-free catalyst for low-temperature selective catalytic reduction of NO with NH3

RSC Advances ◽  
2020 ◽  
Vol 10 (22) ◽  
pp. 12908-12919
Author(s):  
Weifeng Li ◽  
Shuangling Jin ◽  
Rui Zhang ◽  
Yabin Wei ◽  
Jiangcan Wang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Low Temperature ◽  
Selective Catalytic Reduction ◽  
No Reduction ◽  
Catalytic Reduction ◽  
Carbon Aerogels ◽  
Phosphorus Doping ◽  
Reduction Of No ◽  
Metal Free

P species can effectively enhance the catalytic activity of carbon aerogels for NO reduction at low temperature.

Effect of WO3 content on the catalytic activity of CeO2-ZrO2-WO3 for selective catalytic reduction of NO with NH3

2015 ◽  
Vol 43 (6) ◽  
pp. 701-707 ◽  
Author(s):  
Zhong-xian SONG ◽  
Qiu-lin ZHANG ◽  
Jin-hui ZHANG ◽  
Ping NING ◽  
Hao LI ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Selective Catalytic Reduction ◽  
Catalytic Reduction ◽  
Reduction Of No

Synergetic Effects between Al2O3 and HZSM-5 for NO Reduction by CH4

2011 ◽  
Vol 214 ◽  
pp. 364-368
Author(s):  
Li Li Ren ◽  
Xiao Mei Pan
Keyword(s):  
Catalytic Activity ◽  
Selective Catalytic Reduction ◽  
No Reduction ◽  
Catalytic Reduction ◽  
Synergetic Effect ◽  
Separate Component ◽  
Reduction Of No ◽  
Synergetic Effects

Three different kinds of Al2O3 have been added to HZSM-5 for improving its activity towards selective catalytic reduction of NO with CH4 in the presence of excess of oxygen. Higher conversions of NO have been observed for all of the three mixed catalysts, the conversion of which were also found to be higher than that of each separate component of the catalysts. It was concluded that there exists a synergetic effect between Al2O3 and HZSM-5. The addition of Al2O3 can improve the catalytic activity of HZSM-5 by inhibiting the decomposing of NO2 to NO and accelerating the activation of methane. Adsorbed NO2 is then reduced by the activated methane or the intermediates formed from activated methane to N2 over the Brønsted site of zeolite.

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