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Naphthalene decomposition by dielectric barrier discharges at atmospheric pressure

Wu, Zuliang, Wang, Jiaxing, Han, Jingyi, Yao, Shuiliang, Xu, Shaojun and Martin, Philip 2017. Naphthalene decomposition by dielectric barrier discharges at atmospheric pressure. IEEE Transactions on Plasma Science 45 (1) , pp. 154-161. 10.1109/TPS.2016.2632154

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Naphthalene decomposition in O 2 /N 2 gas mixture with different O 2 concentrations has been studied in a dielectric barrier discharge reactor at atmospheric pressure. O 2 played an important role in the decomposition of naphthalene, especially in the selectivities of CO and CO 2 . There was an optimal naphthalene decomposition rate at an O 2 concentration of about 3%. The CO x selectivity increased up to 83.3% gradually with the O 2 concentration increasing from 1% to 20%. Nanoparticles were found in the gas samples, concentrations of which can be reduced greatly through raising the O 2 concentration. The decomposition byproducts of naphthalene were obviously different under different O 2 concentrations. Some nitrogenous compounds reduced but some oxygenous compounds increased with increasing O 2 concentration. The mechanism of naphthalene decomposition was proposed as that naphthalene was first initiated by dehydrogenation and oxidation, and then followed by deep oxidation to CO and CO 2 .

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
ISSN: 0093-3813
Last Modified: 15 Mar 2021 17:00

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