Progress and future challenges in passive NO adsorption over Pd/zeolite catalysts
Future emission standards are becoming increasingly stringent. Around 50% of targeted
tailpipe emissions are emitted during the cold-start period, mainly due to the ineffectiveness …
tailpipe emissions are emitted during the cold-start period, mainly due to the ineffectiveness …
Recent progress of Pd/zeolite as passive NOx adsorber: Adsorption chemistry, structure-performance relationships, challenges and prospects
C Bian, D Li, Q Liu, S Zhang, L Pang, Z Luo… - Chinese Chemical …, 2022 - Elsevier
Due to the technology limitation and inferior deNO x efficiency of urea selective catalytic
reduction (SCR) catalysts at low temperatures, passive NO x adsorber (PNA) for decrease of …
reduction (SCR) catalysts at low temperatures, passive NO x adsorber (PNA) for decrease of …
NOx uptake and release on Pd/SSZ-13: Impact Of Feed composition and temperature
Abstract The Passive NOx Adsorber (PNA) is an emerging technology to abate cold-start
NOx emissions from lean combustion vehicles. Binding sites on Pd-exchanged zeolites …
NOx emissions from lean combustion vehicles. Binding sites on Pd-exchanged zeolites …
Investigation of an irreversible NOx storage degradation Mode on a Pd/BEA passive NOx adsorber
Abstract Passive NOx adsorbers (PNAs) are a proposed solution for cold start NOx
emissions, via low temperature NOx trapping and subsequent release at a temperature …
emissions, via low temperature NOx trapping and subsequent release at a temperature …
Palladium/Ferrierite versus Palladium/SSZ‐13 Passive NOx Adsorbers: Adsorbate‐Controlled Location of Atomically Dispersed Palladium (II) in Ferrierite Determines …
Pd‐loaded FER and SSZ‐13 zeolites as low‐temperature passive NOx adsorbers (PNA) are
compared under practical conditions. Vehicle cold start exposes the material to CO under a …
compared under practical conditions. Vehicle cold start exposes the material to CO under a …
Mechanistic insight in NO trapping on Pd/Chabazite systems for the low-temperature NOx removal from Diesel exhausts
We have applied transient response methods to study Pd-CHA systems as Passive NOx
Adsorbers (PNA) for the low-temperature NOx removal from Diesel exhausts. NO …
Adsorbers (PNA) for the low-temperature NOx removal from Diesel exhausts. NO …
Improving NOx storage and CO oxidation abilities of Pd/SSZ-13 by increasing its hydrophobicity
When Pd is atomically dispersed in hydrophilic SSZ-13, it is readily hydrated to form Pd-
hydrate ions. The formation of Pd-hydrate ions from dehydrated Pd ions has been reported …
hydrate ions. The formation of Pd-hydrate ions from dehydrated Pd ions has been reported …
Passive NOx adsorption on Pd/H-ZSM-5: Experiments and modeling
M Ambast, K Karinshak, BMM Rahman… - Applied Catalysis B …, 2020 - Elsevier
A combined experimental and modeling study of the passive NO x adsorber (PNA) is
presented that advances the understanding and prediction of the effects of various operating …
presented that advances the understanding and prediction of the effects of various operating …
[HTML][HTML] NO adsorption/desorption pathways over Pd/SSZ-13 low temperature NOx adsorbers investigated by operando FT-IR spectroscopy and microreactor study
R Matarrese, L Castoldi, S Morandi, P Ticali… - Applied Catalysis B …, 2023 - Elsevier
In this study a Pd-doped SSZ-13 zeolite sample is synthesized, characterized and evaluated
for potential use in the low-temperature NO x adsorption. TEM/HR-TEM and in-situ CO/NO …
for potential use in the low-temperature NO x adsorption. TEM/HR-TEM and in-situ CO/NO …
Investigation of NO adsorption and desorption phenomena on a Pd/ZSM-5 passive NOx adsorber
Pd-based zeolite materials have gained significant attention as passive NOx adsorbers
(PNAs) for diesel-engine cold-start NOx mitigation due to their ability to store NOx at low …
(PNAs) for diesel-engine cold-start NOx mitigation due to their ability to store NOx at low …