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Lookup NU author(s): Dr Kui Zhang
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This journal is © 2025 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique. Low-temperature plasma (LTP) degradation, a green and efficient technology, is widely used in the treatment of organic waste gases. n-Hexane is the main component of tar during biomass gasification. The treatment of high concentration n-hexane is much needed for practical applications, but it is rarely reported. In this study, the degradation process and mechanism of high concentration n-hexane under LTP treatment were investigated. The results showed that the removal efficiency of n-hexane increased with increasing specific input energy (SIE) and residence time. However, it decreased with increasing concentration under constant SIE and residence time. Under humid air conditions, with a concentration of 130 000 ppm and a residence time of 13.3 s, the maximum removal efficiency of n-hexane reached 87.6%. At the same time, the introduction of water vapor enhances the dissociation process of n-hexane, leading to increased hydrogen, CO, and CO2, improving the DBD environment, and preventing the attachment of solid residues. Through mechanism analysis, it is speculated that there are three possible conversion paths of n-hexane. This research not only fills a theoretical gap in this field but also provides a foundation for future low-temperature plasma degradation of n-hexane.
Author(s): Li S, Wang Y, Li Q, Liu K, Liu N, Liao G, Xin Z, Feng Z, Zhang K
Publication type: Article
Publication status: Published
Journal: New Journal of Chemistry
Year: 2025
Volume: 49
Issue: 46
Pages: 20138-20150
Print publication date: 14/12/2025
Online publication date: 11/11/2025
Acceptance date: 14/10/2025
ISSN (print): 1144-0546
ISSN (electronic): 1369-9261
Publisher: Royal Society of Chemistry
URL: https://doi.org/10.1039/d5nj02254a
DOI: 10.1039/d5nj02254a
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