It remains a major challenge to abate efficiently the harmful nitrogen oxides (NO x) in low-
temperature diesel exhausts emitted during the cold-start period of engine operation …

Passive NO x adsorption (PNA) has been regarded as a new technology for NO x
elimination at low temperatures in heavy diesel vehicles (HDV) during the cold-start period …

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 …

The abatement of harmful nitrogen oxides (NO x) emission during vehicle cold start is
challenging. Passive NO x adsorbers (PNAs) have proven to effectively alleviate NO x …

Pd/SSZ-13 passive NOx adsorbers (PNAs) are effective in controlling NOx emissions during
the cold start phase of diesel engines, but palladium ions readily aggregate in the presence …

Passive NO x adsorption (PNA) is a novel technology to control NO x emissions during cold
start. However, the recent generation of PNA material, Pd/zeolite, suffers from major …

Pd/SSZ-13 catalysts were investigated for the simultaneous storage of NO and C 3 H 6 at
100° C. The effects of the state of Pd species on co-adsorption and release were studied …

Pd/SSZ-13 has been proposed as a passive NO x adsorber (PNA) to effectively alleviate NO
x emission during vehicle cold start. However, the chemical poisons which are derived from …

Phosphorus and CO are typical poisonous substances under realistic working conditions for
Pd/SSZ-13 passive NOx Adsorbers (PNA). In this research, the Pd/SSZ-13 with different Al …

Moisture contained in vehicle exhaust gas normally degrades the capacity and efficiency of
Pd ion-exchanged zeolites as NO x adsorbents by competitive adsorption on active sites …