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Nitrogen oxides removal from hydrogen flue gas using corona discharge in marine boilers: Application perspective

Abstrakt

This paper focuses on the combustion of hydrogen in boilers, as it appears to be a more effective method than using fuel cells for heating purposes due to higher boiler efficiency. One of the main disadvantages of hydrogen combustion in air is NOx formation. Therefore, the authors decided to introduce corona discharge as an inno- vative technique to clean hydrogen flue gas by effectively reducing NOx levels. The method involves generating positive plasma at atmospheric pressure by applying up to a 23 kV voltage difference between rod and ring- shaped electrodes. Experimental studies have shown that corona discharge can significantly lower the concen- trations of NO and NOx in exhaust gases. The maximum DeNOx level was found to be 32.3%, while the plasma generator uses 17.5% of the power contained in burned hydrogen. The findings suggest that this technology holds potential for application in industrial hydrogen combustion systems, offering an environmentally friendly alternative to conventional NOx reduction methods.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY nr 78, strony 984 - 990,
ISSN: 0360-3199
Język:
angielski
Rok wydania:
2024
Opis bibliograficzny:
Kreft D., Marszałkowski K., Szczodrowski K.: Nitrogen oxides removal from hydrogen flue gas using corona discharge in marine boilers: Application perspective// INTERNATIONAL JOURNAL OF HYDROGEN ENERGY -Vol. 78, (2024), s.984-990
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.ijhydene.2024.06.385
Źródła finansowania:
  • Publikacja bezkosztowa
Weryfikacja:
Politechnika Gdańska

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