[HTML][HTML] Novel insights on the Pd speciation in Pd/SSZ-13 and on the role of H2O in the Pd reduction by CO

S Morandi, L Castoldi, R Matarrese, L Lietti - Spectrochimica Acta Part A …, 2025 - Elsevier
Pd speciation induced by the combined effect of CO and water on Pd/SSZ-13 samples
prepared by both impregnation and ion exchange was examined by FT-IR spectroscopy of …

Achieving High Dispersion of Pd in Small-Pore Zeolite SSZ-13: A High-Efficiency Low-Temperature NOx Adsorber

Y Liu, K Li, Y Shao, X Ren, B Zhou, A Dong, X Liu… - ACS …, 2024 - ACS Publications
Passive NO x adsorber (PNA) materials are primarily considered for reducing nitrogen oxide
emissions during the low-temperature cold start of a motor vehicle. Pd/SSZ-13 has attracted …

A simple redox model of low-T NO+ CO adsorption onto Pd-CHA as effective passive NOx adsorbers

U Iacobone, A Gjetja, N Usberti, I Nova… - Reaction Chemistry & …, 2025 - pubs.rsc.org
Pd-exchanged chabazite (Pd-CHA) catalysts show NO adsorption and desorption features
which comply well with the requirements for low-T passive NOx adsorber (PNA) …

Influence of temperature and volume ratio of Cu: Ni exchange solutions on the chemical properties of the guest metals in prepared CuNi–mordenite materials …

R Obeso-Estrella, RI Yocupicio-Gaxiola… - Microporous and …, 2023 - Elsevier
Mordenite-type zeolites with a SiO 2/Al 2 O 3 ratio of 13 in sodium form were subjected to ion
exchange using 0.1 N solutions of Ni (NO 3) 2 and CuSO 4, or mixtures thereof with variable …

Effect of Zeolite Framework on the No Operating Cycle in Pd-Based Passive Nox Adsorbers

M Kaushik, TS Khan, MA Haider, D Bhatia - Available at SSRN 5009619 - papers.ssrn.com
Abstract Density Functional Theory (DFT) simulations are performed to understand the
impact of zeolite framework on the operating cycle of NO adsorption and desorption in Pd …