Monolithic reactors for environmental applications: A review on preparation technologies

P Avila, M Montes, EE Miró - Chemical engineering journal, 2005 - Elsevier
The main aspects of preparation technologies for the manufacture of environmental
monolithic catalysts have been reviewed on the basis of the patent literature, the authors' …

Current status of modeling lean exhaust gas aftertreatment catalysts

A Güthenke, D Chatterjee, M Weibel, B Krutzsch… - Advances in chemical …, 2007 - Elsevier
Decreasing emission limits lead to the development of combined aftertreatment systems,
consisting of combinations of different catalyst technologies and particulate filters. Modeling …

Overall mass transfer coefficients and controlling regimes in catalytic monoliths

SY Joshi, MP Harold, V Balakotaiah - Chemical Engineering Science, 2010 - Elsevier
It is well known that the performance of a catalytic monolith is bounded by two limits: the
kinetic regime at low temperatures (or before ignition for the case of exothermic reactions) …

Effective modeling of coupled reaction and transport inside the catalytic filter wall

J Němec, M Plachá, P Kočí - Chemical Engineering Journal, 2023 - Elsevier
A new extension of 1D mathematical model describing diffusion limitation in a catalytic filter
wall is proposed. Transport limitations in the flowing gas inside free pores and in the coated …

Experimental study of mass transfer limitations in Fe-and Cu-zeolite-based NH3-SCR monolithic catalysts

PS Metkar, V Balakotaiah, MP Harold - Chemical engineering science, 2011 - Elsevier
An experimental study of steady-state selective catalytic reduction (SCR) of NOx with NH3
on both Fe-ZSM-5 and Cu-ZSM-5 monolithic catalysts was carried out to investigate the …

On the use of internal mass transfer coefficients in modeling of diffusion and reaction in catalytic monoliths

SY Joshi, MP Harold, V Balakotaiah - Chemical Engineering Science, 2009 - Elsevier
We utilize the recently developed concept of internal or intraphase mass transfer coefficient
to simplify the problem of diffusion and reaction in more than one spatial dimension for a …

Effect of catalytic washcoat shape and properties on mass transfer characteristics of microstructured steam-methanol reformers for hydrogen production

J Chen, T Li - International Journal of Hydrogen Energy, 2022 - Elsevier
Many attempts have been made to improve mass transfer by reducing the size of reactors.
However, such reduction will fairly quickly reach practical limitations and numerous …

Influence of the Substrate Properties on the Performances of NH3-SCR Monolithic Catalysts for the Aftertreatment of Diesel Exhaust: An Experimental and Modeling …

I Nova, D Bounechada, R Maestri… - Industrial & …, 2011 - ACS Publications
The effects of structural and geometrical characteristics of wash-coated monolith catalysts on
the NO-NO2/NH3 selective catalytic reduction (SCR) activity were experimentally …

Heat and mass transfer correlations and bifurcation analysis of catalytic monoliths with develo** flows

SR Gundlapally, V Balakotaiah - Chemical engineering science, 2011 - Elsevier
We review and compare the literature correlations for estimating the heat and mass transfer
coefficients as well as pressure drop in catalytic monoliths with simultaneously develo** …

Low‐dimensional models for real time simulations of catalytic monoliths

SY Joshi, MP Harold, V Balakotaiah - AIChE journal, 2009 - Wiley Online Library
We present accurate low‐dimensional models for real time simulation, control, and
optimization of monolithic catalytic converters used in automobile exhaust treatment. These …