Effect of Mass Transfer on the Reaction Rate in a Monolithic Catalyst with Porous Walls | Sciact - CRIS-system of Boreskov Institute of Catalysis

Effect of Mass Transfer on the Reaction Rate in a Monolithic Catalyst with Porous Walls Full article

Conference

III International Conference "Catalysis: fundamentals and application"
04-08 Jul 2007 , Novosibirsk

Journal

Catalysis Today
ISSN: 0920-5861 , E-ISSN: 1873-4308

Output data

Year: 2009, Volume: 144, Number: 3-4, Pages: 258-264 Pages count : 7 DOI: 10.1016/j.cattod.2008.11.014

Tags

Computational fluid dynamics, Monolithic catalyst, Porous wall, Reaction rate

Authors

Klenov O.P. ¹ , Pokrovskaya S.A. ^1,2 , Chumakova N.A. ^1,2 , Pavlova S.N. ¹ , Sadykov V.A. ^1,2 , Noskov A.S. ¹

Affiliations

1	Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, pr. Lavrentieva 5, 630090 Novosibirsk, Russia
2	Novosibirsk State University, ul. Pirogova, 630090 Novosibirsk, Russia

The influence of reacting gas flow on the heterogeneous reaction in catalyst volume of honeycomb porous monolith with triangular channels was studied. The spatial distributions of the reacting gas flow, the rates of local mass transfer between channel walls and gas flow, as well as the interaction of transfer processes and a catalytic reaction were determined on the basis of the computational fluid dynamics. The reactions of deep oxidation and steam reforming of methane were considered as model reactions. It was shown that there is no stabilization of the reacting flow over the whole channel length under studied conditions. The most intensive changing of the gas streams appears near the channel inlet, which causes the highest local rates of interphase exchange processes, the rate difference is up to two orders of magnitude. A higher reaction rate exists in the initial part due to penetration of feed components into the catalyst volume through the frontal surface. This leads to increasing the effectiveness factor whose value is above unity near the channel inlet. The reaction rate limitation by the transport of reagents inside porous wall was observed along the monolith length.

Klenov O.P. , Pokrovskaya S.A. , Chumakova N.A. , Pavlova S.N. , Sadykov V.A. , Noskov A.S.
Effect of Mass Transfer on the Reaction Rate in a Monolithic Catalyst with Porous Walls
Catalysis Today. 2009. V.144. N3-4. P.258-264. DOI: 10.1016/j.cattod.2008.11.014 WOS Scopus РИНЦ ANCAN OpenAlex

Published online:	Jan 10, 2009
Published print:	Jun 30, 2009

Web of science:	WOS:000267409100008
Scopus:	2-s2.0-66349105139
Elibrary:	13599506
Chemical Abstracts:	2009:664141
Chemical Abstracts (print):	151:126871
OpenAlex:	W2008928947

DB	Citing
Web of science	25
Scopus	28
Elibrary	28
OpenAlex	31