Global kinetic model for the regeneration of NOx storage catalyst with CO, H2 and C3H6 in the presence of CO2 and H2O

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F09%3A00021983" target="_blank" >RIV/60461373:22340/09:00021983 - isvavai.cz</a>

Result on the web

—

DOI - Digital Object Identifier

—

Result language

angličtina

Original language name

Global kinetic model for the regeneration of NOx storage catalyst with CO, H2 and C3H6 in the presence of CO2 and H2O

Original language description

Heterogeneous 1D model with global kinetics is proposed for industrial NOx storage and reduction catalyst (NSRC) on the basis of lab experiments in a mini-reactor in the temperature range 100 500 °C. The NOx reduction dynamics and selectivity towards N2or NH3 are modelled for three main reducing components present in the rich exhaust gas: CO, H2, and unburned hydrocarbons (HCs). The following reactions are considered: CO, H2 and HC oxidation, NOx reduction, NO/NO2 transformation, NO and NO2 storage, oxygen storage effects, water gas shift and steam reforming, and reduction of the stored NOx by CO, H2 and HC. Ammonia is formed mainly by the reaction of H2 with NOx, but also by the water-assisted reaction of CO with NOx (formation and consequent hydrolysis of isocyanates). Inclusion of the latter route is necessary to explain the NH3 formation in CO-rich mixtures without H2 at lower temperatures. At higher temperatures, water gas shift and steam reforming reactions enable in situ H2 pro

Czech name

—

Czech description

—

Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CI - Industrial chemistry and chemical engineering

OECD FORD branch

—

Project

<a href="/en/project/GA104%2F08%2F1162" target="_blank" >GA104/08/1162: Monolithic reactors for exhaust gas detoxification</a><br>

Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2009

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Catalysis Today

ISSN

0920-5861

e-ISSN

—

Volume of the periodical

147

Issue of the periodical within the volume

S

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

8

Pages from-to

—

UT code for WoS article

000269990800043

EID of the result in the Scopus database

—