Mathematical modeling of monolith catalysts and reactors for gas phase reactions

J Chen, H Yang, N Wang, Z Ring, T Dabros - Applied Catalysis A: General, 2008 - Elsevier
Monolith reactors have been widely used as catalytic converters in the automobile industry.
Their applications in other fields, such as environmental pollution abatement and …

Fiber based structured materials for catalytic applications

E Reichelt, MP Heddrich, M Jahn… - Applied Catalysis A …, 2014 - Elsevier
This review summarizes the resent research on fiber based structured materials for catalytic
application. This material class comprises a wide range of differently structured supports …

A novel nickel-based structured catalyst for CO2 methanation: A honeycomb-type Ni/CeO2 catalyst to transform greenhouse gas into useful resources

C Fukuhara, K Hayakawa, Y Suzuki… - Applied Catalysis A …, 2017 - Elsevier
The purpose of this study is to construct a honeycomb-type structured catalyst with a high
methanation performance to effectively transform CO 2 to CH 4. To select the best …

Development of a powerful CO2 methanation process using a structured Ni/CeO2 catalyst

S Ratchahat, M Sudoh, Y Suzuki, W Kawasaki… - Journal of CO2 …, 2018 - Elsevier
The purpose of this study is to develop a powerful CO 2 methanation process using a variety
of structured Ni/CeO 2 catalysts. Various configurations of metallic honeycomb-type …

Shape normalization and analysis of the mass transfer controlled regime in catalytic monoliths

V Balakotaiah, DH West - Chemical Engineering Science, 2002 - Elsevier
We present a shape normalization for solving the convection–diffusion equation for the case
of laminar flow in a duct of uniform cross-section but of arbitrary shape and with a wall …

Modeling of transport and chemistry in channel flows of automotive catalytic converters

N Mladenov, J Koop, S Tischer… - Chemical Engineering …, 2010 - Elsevier
A novel comprehensive numerical study is presented for a better understanding of mass
transfer in channel flows with catalytically active walls at moderate temperatures and surface …

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) …

Mass transfer limitations in microchannel reactors

B Schmidt, MA Liauw - Catalysis today, 2005 - Elsevier
The mass transfer in microchannel reactors with catalyst-coated walls is investigated. A
limitation by internal mass transfer can be tested by the variation of the temperature or 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 …

Analysis of Ru/La-Al2O3 catalyst loading on alumina monoliths and controlling regimes in methane steam reforming

MA Ashraf, O Sanz, C Italiano, A Vita, M Montes… - Chemical Engineering …, 2018 - Elsevier
Abstract In this work Ru (1.5 wt%)/La (3 wt%)-modified-Al 2 O 3 coated α-alumina monoliths
of different geometries (100 cpsi square channel, 170 cpsi hexagonal channel, diameter 9 …