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Decomposition of N2O over catalyst cu-ZSM-5: Analysis of reaction model

Razlaganje N2O na katalizatoru Cu-ZSM-5 - analiza modela reakcije

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Authors
Kolar-Anić, Ljiljana
Čupić, Željko
Anić, Slobodan
Adnađević, Borivoj K.
Vukojević, Vladana
Article (Published version)
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Abstract
The model of mechanism of the nitrous oxide (N2O) decomposition over the catalyst Cu-ZSM-5 proposed in 1999 in the article of Ochs and Turek, is adapted for mentioned process in open reactor and analyzed by the stoichiometric network analysis. Under these conditions five reaction pathways that all contribute to same overall process with defined but different contributions are found. Analyzing stoichiometric reactions of all obtained reaction pathways, in only one of them the nitric oxide (NO) as a product of reaction is found. Controlling the contribution of this reaction pathway to overall process, the control of production of NO as pollutant is makes possible.
Model mehanizma reakcije razlaganja azotsuboksida (N2O) na zeolitnom katalizatoru CuZSM-5 predložen 1999. godine u radu Ochsa i Tureka, podešen je za pomenuti proces u otvorenom reaktoru i analiziran stehiometrijskom mrežnom analizom. Pokazano je da pod tim uslovima model predviđa pet reakcionih puteva. Svi oni doprinose ukupnom procesu sa definisanim, ali različitim udelima. Analizom stehiometrijskih jednačina reakcionih puteva nađeno je da se samo u jednom od njih pojavljuje azotmonoksid (NO) kao proizvod. Kontrolom doprinosa ovog reakcionog puta celokupnom procesu otvara se mogućnost kontrole proizvodnje zagađivača azotmonoksida (NO).
Keywords:
dynamics of processes / N2O decomposition / stoichiometric network analysis / oscillatory reactions / modeling of processes / dinamika procesa / razlaganje N2O / stehiometrijska mrežna analiza / oscilatorna reakcija / modeliranje procesa
Source:
Nauka, tehnika, bezbednost, 2001, 11, 2, 39-46

ISSN: 0353-5517

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http://cer.ihtm.bg.ac.rs/handle/123456789/35
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