Cu/SAPO-34 prepared by a facile ball milling method for enhanced catalytic performance in the selective catalytic reduction of NOx with NH3

2019 ◽  
Vol 21 (39) ◽  
pp. 22113-22120 ◽  
Author(s):  
Huazhen Chang ◽  
Xuan Qin ◽  
Lei Ma ◽  
Tao Zhang ◽  
Junhua Li
Keyword(s):  
Solid State ◽  
Ion Exchange ◽  
Selective Catalytic Reduction ◽  
Ball Milling ◽  
Catalytic Reduction ◽  
Catalytic Performance ◽  
Mechanical Mixing ◽  
Reduction Of No ◽  
Milling Method ◽  
Reduction Of Nox

Cu/SAPO-34 catalysts were prepared by different solid-state ion exchange methods, i.e., mechanical mixing (Cu/SAPO-34-M) and ball milling (Cu/SAPO-34-B), and were used for selective catalytic reduction of NOx with NH3 (NH3-SCR) reaction.

Ligand-assisted mechanochemical synthesis of ceria-based catalysts for the selective catalytic reduction of NO by NH3

2017 ◽  
Vol 53 (7) ◽  
pp. 1321-1324 ◽  
Author(s):  
J. F. Yan ◽  
W. G. Qiu ◽  
L. Y. Song ◽  
Y. Chen ◽  
Y. C. Su ◽  
...  
Keyword(s):  
Selective Catalytic Reduction ◽  
Ball Milling ◽  
Mechanochemical Synthesis ◽  
Catalytic Reduction ◽  
Reduction Of No ◽  
Milling Method

A ligand-assisted ball milling method was used to prepare the CeO2/TiO2 catalyst for the NH3-SCR reaction.

scholarly journals The promotional role of Ce in Cu/ZSM-5 and in situ surface reaction for selective catalytic reduction of NOx with NH3

RSC Advances ◽  
2015 ◽  
Vol 5 (110) ◽  
pp. 90235-90244 ◽  
Author(s):  
Shuangshuang Lai ◽  
Dongmei Meng ◽  
Wangcheng Zhan ◽  
Yun Guo ◽  
Yanglong Guo ◽  
...  
Keyword(s):  
Selective Catalytic Reduction ◽  
Surface Reaction ◽  
Catalytic Reduction ◽  
Catalytic Performance ◽  
Incipient Wetness Impregnation ◽  
Impregnation Method ◽  
Reduction Of No ◽  
Reduction Of Nox

Ce doped Cu/ZSM-5 catalysts were prepared by the incipient-wetness-impregnation method, and the effect of Ce doping on the structure and the catalytic performance was investigated in detail for the selective catalytic reduction of NO with NH3

Vanadium-doped titania-pillared montmorillonite clay as a catalyst for selective catalytic reduction of NO by ammonia

Clay Minerals ◽  
1997 ◽  
Vol 32 (4) ◽  
pp. 665-672 ◽  
Author(s):  
K. Bahranowski ◽  
J. Janas ◽  
T. Machej ◽  
E. M. Serwicka ◽  
L. A. Vartikian
Keyword(s):  
Selective Catalytic Reduction ◽  
Catalytic Reduction ◽  
Catalytic Performance ◽  
Pillared Clay ◽  
Area Measurement ◽  
Bet Surface Area ◽  
X Ray Diffraction ◽  
Reduction Of No ◽  
Pillared Montmorillonite ◽  
Doped Titania

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.

Selective catalytic reduction of NO with NH3 over iron titanate catalyst: Catalytic performance and characterization

2010 ◽  
Vol 96 (3-4) ◽  
pp. 408-420 ◽  
Author(s):  
Fudong Liu ◽  
Hong He ◽  
Changbin Zhang ◽  
Zhaochi Feng ◽  
Lirong Zheng ◽  
...  
Keyword(s):  
Selective Catalytic Reduction ◽  
Catalytic Reduction ◽  
Catalytic Performance ◽  
Reduction Of No ◽  
Iron Titanate
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