Review of improving the NOx conversion efficiency in various diesel engines fitted with SCR system technology

MKA Wardana, O Lim - Catalysts, 2022 - mdpi.com
The diesel engine is utilized in most commercial vehicles to carry items from various firms;
nevertheless, diesel engines emit massive amounts of nitrogen oxides (NOx) which are …

Development of Power-to-X Catalytic Processes for CO2 Valorisation: From the Molecular Level to the Reactor Architecture

LF Bobadilla, L Azancot, LA Luque-Álvarez… - Chemistry, 2022 - mdpi.com
Nowadays, global climate change is likely the most compelling problem mankind is facing.
In this scenario, decarbonisation of the chemical industry is one of the global challenges that …

The influence of channel geometry on the pressure drop in automotive catalytic converters: Model development and validation

I Cornejo, P Nikrityuk, RE Hayes - Chemical Engineering Science, 2020 - Elsevier
This paper presents a detailed physics based model for the pressure drop through a
honeycomb substrate for several channel shapes and void fractions. A CFD-based …

Impact of washcoat distribution on the catalytic performance of gasoline particulate filters as predicted by lattice Boltzmann simulations

I Belot, D Vidal, R Greiner, M Votsmeier… - Chemical Engineering …, 2021 - Elsevier
The impact of catalyst distribution within the porous wall of a coated gasoline particulate filter
on its catalytic performance is investigated. Sections of catalyzed filter wall with different …

Heat and mass transfer inside of a monolith honeycomb: From channel to full size reactor scale

I Cornejo, P Nikrityuk, RE Hayes - Catalysis Today, 2022 - Elsevier
This paper is devoted to the multi-scale model of the heat and mass transfer inside of a
honeycomb monolith substrate. Due to computational limitations, monoliths are modelled as …

Numerical investigation of the impact of washcoat distribution on the filtration performance of gasoline particulate filters

I Belot, D Vidal, M Votsmeier, RE Hayes… - Chemical Engineering …, 2020 - Elsevier
A three-step numerical model sheds light on the impact of three-way catalyst washcoat
distribution within the cordierite porous wall of a clean gasoline particulate filter on its …

Impact of fiber diameter polydispersity on the permeability of fibrous media

JM Tucny, L Spreutels, F Drolet, S Leclaire… - Chemical Engineering …, 2022 - Elsevier
The classical empirical correlation proposed by Davies has long been recognized,
particularly in air filtration, for its ability to predict the permeability of fibrous media. Several …

A Model for the Flow Distribution in Dual Cell Density Monoliths

C Reinao, I Cornejo - Processes, 2023 - mdpi.com
Monoliths are promising as catalytic structured supports due to their many operational
advantages. Compared to pellets, monoliths offer low backpressure and good heat …

Multiscale RANS-based modeling of the turbulence decay inside of an automotive catalytic converter

I Cornejo, P Nikrityuk, RE Hayes - Chemical Engineering Science, 2018 - Elsevier
This paper presents a comprehensive multiscale study of the turbulence inside of an
automotive monolith using a porous medium approach and a representative group of single …

A new approach for the modeling of turbulent flows in automotive catalytic converters

I Cornejo, RE Hayes, P Nikrityuk - Chemical Engineering Research and …, 2018 - Elsevier
This work presents a new approach to predict turbulent flows inside of a catalytic converter
taking into account a decay and ignition of turbulence at the entrance and exit zone of the …