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NOx Storage−Reduction Catalysis: From Mechanism and Materials Properties to Storage−Reduction Performance
Vehicular engines operating under lean burn conditions are becoming more popular than
conventional Otto gasoline engines, running at a chemically correct (stoichiometric) air to …
conventional Otto gasoline engines, running at a chemically correct (stoichiometric) air to …
The effect of combustion management on diesel engine emissions fueled with biodiesel-diesel blends
The present study is a literature review on previous proposed strategies in order to reduce
the emissions of diesel engines. In this review, the results of effective strategies include; …
the emissions of diesel engines. In this review, the results of effective strategies include; …
Trends in NOx and NH3 emissions caused by three-way catalysts
JW Jeong, S Baek, S Park, S Lee, Y Lim, K Lee - Fuel, 2024 - Elsevier
Emission regulations have been made more strengthened both regulated (NO x) and
unregulated emissions (NH 3, N 2 O, and CH 4) from internal combustion engines. Delays in …
unregulated emissions (NH 3, N 2 O, and CH 4) from internal combustion engines. Delays in …
Lean NOx trap catalysts with high low-temperature activity and hydrothermal stability
A combination of the Pt-BaO/CeO 2 and Cu/CeO 2 (PBC+ CC) catalyst offers high NO x
storage and reduction (NSR) performance at low temperatures; however, the PBC+ CC …
storage and reduction (NSR) performance at low temperatures; however, the PBC+ CC …
Evaluation of real driving emissions for Euro 6 light-duty diesel vehicles equipped with LNT and SCR on domestic sales in Korea
J Cha, J Lee, MS Chon - Atmospheric Environment, 2019 - Elsevier
In general, recent certification procedure for regulatory emission limits is used to the
standard test cycles in the laboratory under standardized operating conditions. But, it is …
standard test cycles in the laboratory under standardized operating conditions. But, it is …
Ceria-Based Catalysts for Low Temperature NO x Storage and Release
CeO 2 promoted with either 1 wt% Pt or 1 wt% Pd was evaluated as a model system for
passive NO x adsorber applications. According to NO x storage experiments conducted over …
passive NO x adsorber applications. According to NO x storage experiments conducted over …
Passive-ammonia selective catalytic reduction (SCR): Understanding NH3 formation over close-coupled three way catalysts (TWC)
NH 3 formation was examined under steady-state and lean/rich cycling conditions over four
commercial catalysts including:(1) a Pd-only, high precious metal loading (HPGM) three-way …
commercial catalysts including:(1) a Pd-only, high precious metal loading (HPGM) three-way …
Advancements in low-temperature NH3-SCR of NOx using Ba-based catalysts: a critical review of preparation, mechanisms, and challenges
Presently, selective catalytic reduction (SCR), with either carbon monoxide, urea,
hydrocarbons, hydrogen, or ammonia as a reductant, has become a nitrogen oxide (NOx) …
hydrocarbons, hydrogen, or ammonia as a reductant, has become a nitrogen oxide (NOx) …
Review of recent after-treatment technologies for de-NOx process in diesel engines
B Choi, K Lee, G Son - International Journal of Automotive Technology, 2020 - Springer
The removal of nitrogen oxides (NOx), which are major atmospheric pollutants, in exhaust
gas after-treatment systems, has been studied extensively. The catalytic reduction of NOx in …
gas after-treatment systems, has been studied extensively. The catalytic reduction of NOx in …
NH3 formation over a lean NOX trap (LNT) system: Effects of lean/rich cycle timing and temperature
Abstract A commercial lean NO X trap (LNT) catalyst containing Pt, Pd, Rh, BaO, and CeO 2
was evaluated in this investigation. The effects of lean/rich cycle timing on the NO X, CO and …
was evaluated in this investigation. The effects of lean/rich cycle timing on the NO X, CO and …