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题名: Post-plasma-catalytic removal of toluene using MnO2–Co3O4 catalysts andtheir synergistic mechanism
作者: Chang,T(Chang,Tian)1, 2;  Shen,ZX(Shen,Zhenxing)1, 2;  Huang,Y(Huang,Yu)2;  Lu,JQ(Lu,Jiaqi)1;  Ren,DX(Ren,Dongxiao)1;  Sun,J(Sun,Jian)1;  Cao,JJ(Cao,Junji)2;  Liu,HX(Liu,Hongxia)1
通讯作者: Shen,Zhenxing
关键词: Post-plasma-catalytic system ;  Toluene removal ;  MnO2–Co3O4 catalysts ;  Reaction mechanism
刊名: Chemical Engineering Journal
发表日期: 2018-09-15
DOI: 10.1016/j.cej.2018.04.186
卷: 348, 期:2018, 页:15-25
收录类别: SCI
文章类型: 期刊论文
英文摘要: To improve toluene removal efficiency and reduce unnecessary reaction products, a system combining a dielectric barrier discharge reactor with MnO2–Co3O4 catalysts was developed. The addition of a catalyst enhanced the toluene removal efficiency, energy yield (EY), COx yield and CO2 yield, and markedly suppressed O3 and NO2 generation compared with the non-thermal plasma (NTP) alone system. The Mn/Co molar ratio could alter the physicochemical properties of the catalysts and further influence their catalytic activity. The Mn1Co1 catalyst demonstrated the highest catalytic activity, which might be ascribed to the interactions of Mn and Co species (such as crystal structure, oxygen mobility and redox pairs of Mn4+/Mn3+ and Co2+/Co3+). In the post-NTP-catalytic system over Mn1Co1 catalyst, the toluene removal efficiency, EY, COx yield and CO2 yield were increased by 26.77%, 1.76 g kWh−1, 25.65% and 21.07%, respectively, compared with that in the NTP alone system at specific energy densities of 423.58 J L−1, 92.59 J L−1, 456.76 J L−1 and 456.76 J L−1, respectively. The pathway of toluene degradation in the post-NTP-catalytic system over Mn1Co1 catalyst was also investigated to further understand the synergistic effect of the hybrid system.
语种: 英语
所属项目编号: 41401567 ;  SKLLQG1616 ;  xkjc2015002
项目资助者: National ScienceFoundation of China ;  SKLLQG, ChineseAcademy of Sciences ;  Fundamental ResearchFunding for Central Universities in China
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.ieecas.cn/handle/361006/5334
Appears in Collections:粉尘与环境研究室_期刊论文

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作者单位: 1.Department of Environmental Sciences and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
2.Key Lab of Aerosol Chemistry & Physics, SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710049, China

Recommended Citation:
Chang,T,Shen,ZX,Huang,Y,et al. Post-plasma-catalytic removal of toluene using MnO2–Co3O4 catalysts andtheir synergistic mechanism[J]. Chemical Engineering Journal,2018,348(2018):15-25.
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