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Author |
Tsonev, I.; O’Modhrain, C.; Bogaerts, A.; Gorbanev, Y. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Nitrogen Fixation by an Arc Plasma at Elevated Pressure to Increase the Energy Efficiency and Production Rate of NOx |
Type |
A1 Journal article |
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Year |
2023 |
Publication |
ACS Sustainable Chemistry and Engineering |
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Volume |
11 |
Issue |
5 |
Pages |
1888-1897 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
Plasma-based nitrogen fixation for fertilizer production is an attractive alternative to the fossil fuel-based industrial processes. However, many factors hinder its applicability, e.g., the commonly observed inverse correlation between energy consumption and production rates or the necessity to enhance the selectivity toward NO2, the desired product for a more facile formation of nitrate-based fertilizers. In this work, we investigated the use of a rotating gliding arc plasma for nitrogen fixation at elevated pressures (up to 3 barg), at different feed gas flow rates and composition. Our results demonstrate a dramatic increase in the amount of NOx produced as a function of increasing pressure, with a record-low EC of 1.8 MJ/(mol N) while yielding a high production rate of 69 g/h and a high selectivity (94%) of NO2. We ascribe this improvement to the enhanced thermal Zeldovich mechanism and an increased rate of NO oxidation compared to the back reaction of NO with atomic oxygen, due to the elevated pressure. |
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Wos |
000924366700001 |
Publication Date |
2023-02-06 |
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ISSN |
2168-0485 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
8.4 |
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Open Access |
OpenAccess |
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Notes |
Fonds Wetenschappelijk Onderzoek, G0G2322N ; Horizon 2020 Framework Programme, 965546 ; |
Approved |
Most recent IF: 8.4; 2023 IF: 5.951 |
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Call Number |
PLASMANT @ plasmant @c:irua:194281 |
Serial |
7239 |
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Permanent link to this record |