Characteristics of emissive spectrum and the removal of nitric oxide in N2/O2/NO plasma with argon additive

Lin, Wen‐Feng; Zhang, Bin; Hou, Wenhui; Li, Dawei; Yang, Hongmin

doi:10.1016/s1001-0742(08)62342-6

Cited by 6 publications

(1 citation statement)

References 15 publications

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“…To achieve predominant NO oxidation activities lower than 200 °C, NTP is a promising choice, in which NO can be effectively oxidized to NO 2 by plasma process under the condition of excess oxygen. − NTP can be produced by electrical discharge in which a majority of the electrical energy goes into the production of energetic electrons, rather than into gas heating. The NO oxidation by the reactions with these reactive radicals (NO + O + M→NO 2 + M, NO + O 3 →NO 2 + O 2 ) to produce mainly NO 2 as product. − Therefore, the main idea of this work is to enhance the NO catalytic oxidation capacity of Mn–Co–Ce–Ox catalyst by using a two-stage plasma reactor-followed-by catalyst (PRFC) method at low temperature. On this basis, we reviewed the catalyst resistance to SO 2 under the NTP-assist.…”

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confidence: 99%

Mechanism of Catalytic Oxidation of NO over Mn–Co–Ce–Ox Catalysts with the Aid of Nonthermal Plasma at Low Temperature

Tang

et al. 2011

Ind. Eng. Chem. Res.

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NO catalytic oxidation performances have been investigated on a Mn–Co–Ce–Ox catalyst by using nonthermal plasma (NTP) reactor: the “PRFC” reactor. In the PRFC system, the plasma reactor was followed by the catalyst. The results showed that the NO catalytic oxidation of the Mn–Co–Ce–Ox catalyst was significantly enhanced by the nonthermal plasma in the PRFC system at the temperature range of 50–250 °C. The oxidation capability of the catalyst was improved with the increase of the input energy density in the PRFC system. It was also found that the activity was suppressed when SO2 was present in the reaction mixture, whereas the catalytic oxidation ability was obviously enhanced under the NTP-assist, because NTP system is conducive to synchronous SO2 removal. The antipoisoning performance and NO catalytic oxidation capacity of this mechanism are superior to those of others reported in the literature.

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