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Changes in Pt-Rh catalysts in the working environment

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2015
2334-88361504105T.pdf (594.0Kb)
Authors
Trumić, Biserka
Ivanović, Aleksandra
Dmitrijević, Silvana
Dimitrijević, Stevan
Article (Published version)
Metadata
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Abstract
The surface reconstruction on rhodium-platinum catalyst gauzes has been examined using the scanning electron microscope techniques. The nucleation and growth of large cage-like features, developed on the gauze surfaces during operation in the ammonia oxidation process, were studied in detail. It is concluded that a vapor phase mechanism involving transport of platinum oxide is responsible for the observed reaction, and the reason why this process operates only over a limited range of temperature and pressure is explained. Some comments are also made on the related reconstruction observed on gauzes, used during the production of hydrogen cyanide by the Andrussow process.
Keywords:
platinum / platinum catalyst gauze
Source:
Mining and Metallurgy Engineering Bor, 2015, 4, 105-110
Publisher:
  • Institut za rudarstvo i metalurgiju, Bor
Funding / projects:
  • Development of technology for production of Pd catalyst-traps for reducing platinum loss in catalysis processes at high-temperature. (RS-34029)

DOI: 10.5937/MMEB1504105T

ISSN: 2334-8836

[ Google Scholar ]
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2911
Collections
  • Radovi istraživača (Inovacioni centar) / Researchers’ publications (Innovation Centre)
Institution/Community
Inovacioni centar
TY  - JOUR
AU  - Trumić, Biserka
AU  - Ivanović, Aleksandra
AU  - Dmitrijević, Silvana
AU  - Dimitrijević, Stevan
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2911
AB  - The surface reconstruction on rhodium-platinum catalyst gauzes has been examined using the scanning electron microscope techniques. The nucleation and growth of large cage-like features, developed on the gauze surfaces during operation in the ammonia oxidation process, were studied in detail. It is concluded that a vapor phase mechanism involving transport of platinum oxide is responsible for the observed reaction, and the reason why this process operates only over a limited range of temperature and pressure is explained. Some comments are also made on the related reconstruction observed on gauzes, used during the production of hydrogen cyanide by the Andrussow process.
PB  - Institut za rudarstvo i metalurgiju, Bor
T2  - Mining and Metallurgy Engineering Bor
T1  - Changes in Pt-Rh catalysts in the working environment
EP  - 110
IS  - 4
SP  - 105
DO  - 10.5937/MMEB1504105T
ER  - 
@article{
author = "Trumić, Biserka and Ivanović, Aleksandra and Dmitrijević, Silvana and Dimitrijević, Stevan",
year = "2015",
abstract = "The surface reconstruction on rhodium-platinum catalyst gauzes has been examined using the scanning electron microscope techniques. The nucleation and growth of large cage-like features, developed on the gauze surfaces during operation in the ammonia oxidation process, were studied in detail. It is concluded that a vapor phase mechanism involving transport of platinum oxide is responsible for the observed reaction, and the reason why this process operates only over a limited range of temperature and pressure is explained. Some comments are also made on the related reconstruction observed on gauzes, used during the production of hydrogen cyanide by the Andrussow process.",
publisher = "Institut za rudarstvo i metalurgiju, Bor",
journal = "Mining and Metallurgy Engineering Bor",
title = "Changes in Pt-Rh catalysts in the working environment",
pages = "110-105",
number = "4",
doi = "10.5937/MMEB1504105T"
}
Trumić, B., Ivanović, A., Dmitrijević, S.,& Dimitrijević, S.. (2015). Changes in Pt-Rh catalysts in the working environment. in Mining and Metallurgy Engineering Bor
Institut za rudarstvo i metalurgiju, Bor.(4), 105-110.
https://doi.org/10.5937/MMEB1504105T
Trumić B, Ivanović A, Dmitrijević S, Dimitrijević S. Changes in Pt-Rh catalysts in the working environment. in Mining and Metallurgy Engineering Bor. 2015;(4):105-110.
doi:10.5937/MMEB1504105T .
Trumić, Biserka, Ivanović, Aleksandra, Dmitrijević, Silvana, Dimitrijević, Stevan, "Changes in Pt-Rh catalysts in the working environment" in Mining and Metallurgy Engineering Bor, no. 4 (2015):105-110,
https://doi.org/10.5937/MMEB1504105T . .

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