<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This article describes the influence of various design modifications of the ammonia oxidation reactor operating in nitric acid plant TKIV in Kędzierzyn-Koźle on flow distribution of an air-ammonia mixture. The CFD (Computational Fluid Dynamics) simulations of turbulent flow were carried out with SST k-ω turbulence model to close the system of RANS (Reynolds Averaged Navier-Stokes) equations. The simulation results show that the properly selected perforated plate screen and the conical diffuser ensure uniform flow of gas on the ammonia oxidation catalysts and on the catalysts for nitrous oxide decomposition. It was proved experimentally achieving uniform temperature of nitrous gases in different locations under the catalytic gauzes and high efficiency of ammonia oxidation and nitrous oxide decomposition</p></abstract>

This article describes the influence of various design modifications of the ammonia oxidation reactor operating in nitric acid plant TKIV in Kędzierzyn-Koźle on flow distribution of an air-ammonia mixture. The CFD (Computational Fluid Dynamics) simulations of turbulent flow were carried out with SST k-ω turbulence model to close the system of RANS (Reynolds Averaged Navier-Stokes) equations. The simulation results show that the properly selected perforated plate screen and the conical diffuser ensure uniform flow of gas on the ammonia oxidation catalysts and on the catalysts for nitrous oxide decomposition. It was proved experimentally achieving uniform temperature of nitrous gases in different locations under the catalytic gauzes and high efficiency of ammonia oxidation and nitrous oxide decomposition

The analysis of distribution of the reaction mixture in ammonia oxidation reactor

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

This article describes the influence of various design modifications of the ammonia oxidation reactor operating in nitric acid plant TKIV in Kędzierzyn-Koźle...

The analysis of distribution of the reaction mixture in ammonia oxidation reactor

Online veröffentlicht: 16. März 2019

Seitenbereich: 9 - 12

DOI: https://doi.org/10.2478/pjct-2019-0002

Schlüsselwörter
Nitric acid, ammonia oxidation reactor, flow distribution, CFD simulation

© 2019 Bartosz Moszowski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The analysis of distribution of the reaction mixture in ammonia oxidation reactor

Online veröffentlicht: 16. März 2019

Seitenbereich: 9 - 12

DOI: https://doi.org/10.2478/pjct-2019-0002

SchlüsselwörterNitric acid, ammonia oxidation reactor, flow distribution, CFD simulation

© 2019 Bartosz Moszowski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Schlüsselwörter
Nitric acid, ammonia oxidation reactor, flow distribution, CFD simulation