Catalytic NOx Abatement Systems for Mobile Sources: From Three-Way to Lean Burn after-Treatment Technologies
Up to now heterogeneous catalytic processes for environmental issues have probably been
the most efficient solution because of their high efficiency and selectivity toward the removal …
the most efficient solution because of their high efficiency and selectivity toward the removal …
The opportunities and challenges of iron-zeolite as NH3-SCR catalyst in purification of vehicle exhaust
Q Liu, C Bian, S Ming, L Guo, S Zhang, L Pang… - Applied Catalysis A …, 2020 - Elsevier
Selective catalytic reduction of NO x with NH 3 over zeolite catalysts is recognized as the
most practical technology used in mobile exhaust gases to transform NO x into N 2. Despite …
most practical technology used in mobile exhaust gases to transform NO x into N 2. Despite …
[BOOK][B] Urea-SCR technology for deNOx after treatment of diesel exhausts
I Nova, E Tronconi - 2014 - Springer
It is widely recognized that Diesel vehicles are sure to significantly increase their worldwide
penetration, particularly in countries like the United States where the present market share is …
penetration, particularly in countries like the United States where the present market share is …
Reactivity of NO/NO2–NH3 SCR system for diesel exhaust aftertreatment: Identification of the reaction network as a function of temperature and NO2 feed content
We present a systematic study of the NH3-SCR reactivity over a commercial V2O5–
WO3/TiO2 catalyst in a wide range of temperatures and NO/NO2 feed ratios, which cover …
WO3/TiO2 catalyst in a wide range of temperatures and NO/NO2 feed ratios, which cover …
Redox features in the catalytic mechanism of the “standard” and “fast” NH3-SCR of NOx over a V-based catalyst investigated by dynamic methods
The redox mechanism governing the selective catalytic reduction (SCR) of NO/NO2 by
ammonia at low temperature was investigated by transient reactive experiments over a …
ammonia at low temperature was investigated by transient reactive experiments over a …
NH3–NO/NO2 chemistry over V-based catalysts and its role in the mechanism of the Fast SCR reaction
We present herein a study performed under transient reactive conditions aimed at
elucidating the mechanism of the Fast SCR reaction. Transient response data collected at …
elucidating the mechanism of the Fast SCR reaction. Transient response data collected at …
Study of a Fe–zeolite-based system as NH3-SCR catalyst for diesel exhaust aftertreatment
The reactivity of a commercial Fe-exchanged zeolite catalyst is herein analyzed in the NH3-
SCR (selective catalytic reduction) reactions of interest for industrial applications to the …
SCR (selective catalytic reduction) reactions of interest for industrial applications to the …
A comparative study of “standard”,“fast” and “NO2” SCR reactions over Fe/zeolite catalyst
M Iwasaki, H Shinjoh - Applied Catalysis A: General, 2010 - Elsevier
In order to elucidate the contributions of standard (NO2/NOx= 0%), fast (= 50%) and NO2 (=
100%) SCR reactions under conditions where they occur simultaneously, the NOx …
100%) SCR reactions under conditions where they occur simultaneously, the NOx …
A kinetic model for ammonia selective catalytic reduction over Cu-ZSM-5
Kinetic modeling, in combination with flow reactor experiments, was used in this study for
simulating NH3 selective catalytic reduction (SCR) of NOx over Cu-ZSM-5. First the mass …
simulating NH3 selective catalytic reduction (SCR) of NOx over Cu-ZSM-5. First the mass …
A multi-site kinetic model for NH3-SCR over Cu/SSZ-13
In this study, we have developed a kinetic model for ammonia-SCR over a well-
characterized Cu/SSZ-13 catalyst. It was found that a three-site model was needed in order …
characterized Cu/SSZ-13 catalyst. It was found that a three-site model was needed in order …