A review on the Pd-based three-way catalyst
The application of Pd in three-way catalyst represents a significant technology breakthrough
for the removal of pollutants from gasoline powered vehicle exhaust gas. Pd shows superior …
for the removal of pollutants from gasoline powered vehicle exhaust gas. Pd shows superior …
Deactivation of Pd catalysts by water during low temperature methane oxidation relevant to natural gas vehicle converters
R Gholami, M Alyani, KJ Smith - Catalysts, 2015 - mdpi.com
Effects of H2O on the activity and deactivation of Pd catalysts used for the oxidation of
unburned CH4 present in the exhaust gas of natural-gas vehicles (NGVs) are reviewed …
unburned CH4 present in the exhaust gas of natural-gas vehicles (NGVs) are reviewed …
CH4 Oxidation Activity in Pd and Pt–Pd Bimetallic Catalysts: Correlation with Surface PdOx Quantified from the DRIFTS Study
For Pd-based catalysts, facile and fast interconversion between Pd and PdO occurs
continuously during the CH4 oxidation reaction, which makes it challenging to determine …
continuously during the CH4 oxidation reaction, which makes it challenging to determine …
Effect of metal-metal and metal-support interaction on activity and stability of Pd-Rh/alumina in CO oxidation
AA Vedyagin, AM Volodin, RM Kenzhin… - Catalysis Today, 2017 - Elsevier
A series of Pd-Rh/alumina catalysts with total precious metals loading of 0.2 wt.% was
prepared by means of mechanical mixing of monometallic precursors and incipient wetness …
prepared by means of mechanical mixing of monometallic precursors and incipient wetness …
Ostwald-ripening sintering kinetics of Pd-based three-way catalyst: Importance of initial particle size of Pd
The sintering rates of commercial and lab-prepared Pd three-way catalysts (TWCs) as a
function of the catalyst mileage were examined by CO chemisorption, XRD and TEM …
function of the catalyst mileage were examined by CO chemisorption, XRD and TEM …
Catalyst Deactivation via Rhodium–Support Interactions under High-Temperature Oxidizing Conditions: A Comparative Study on Hexaaluminates versus Al2O3
Undesired solid-state reactions between rhodium (Rh) oxide and γ-Al2O3 are a major cause
of catalyst deactivation under high-temperature-oxidizing atmosphere, given that the Rh3+ …
of catalyst deactivation under high-temperature-oxidizing atmosphere, given that the Rh3+ …
Insights into the role of Pt on Pd catalyst stabilized by magnesia-alumina spinel on gama-alumina for lean methane combustion: Enhancement of hydrothermal …
It is an urgent desire to decrease release of methane, a potential greenhouse gas, over
methane-oxidation catalysts. However, the commonly used Pd-based catalysts normally …
methane-oxidation catalysts. However, the commonly used Pd-based catalysts normally …
Thermal stability of Pd-containing LaAlO3 perovskite as a modern TWC
TWC activity and thermal stability of LaAlO 3-based Pd catalysts were investigated under
simulated gasoline engine exhaust conditions. The LaAlO 3-based catalysts revealed a …
simulated gasoline engine exhaust conditions. The LaAlO 3-based catalysts revealed a …
Pd model catalysts: Effect of air pulse length during redox aging on Pd redispersion
JA Lupescu, JW Schwank, GB Fisher, J Hangas… - Applied Catalysis B …, 2018 - Elsevier
Nano-sized noble metal particles are an essential component in automotive catalytic
converters. However, during customer in-use operation they agglomerate into larger …
converters. However, during customer in-use operation they agglomerate into larger …
Part I: A Comparative Thermal Aging Study on the Regenerability of Rh/Al2O3 and Rh/CexOy-ZrO2 as Model Catalysts for Automotive Three Way Catalysts
Q Zheng, R Farrauto, M Deeba, I Valsamakis - Catalysts, 2015 - mdpi.com
The rhodium (Rh) component in automotive three way catalysts (TWC) experiences severe
thermal deactivation during fuel shutoff, an engine mode (eg, at downhill coasting) used for …
thermal deactivation during fuel shutoff, an engine mode (eg, at downhill coasting) used for …