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    請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/27237


    題名: Removal of Volatile Organic Compounds by Single-Stage and Two-Stage Plasma Catalysis Systems: A Review of the Performance Enhancement Mechanisms, Current Status, and Suitable Applications
    作者: Chen,HL;Lee,HM;Chen,SH;Chang,MB;Yu,SJ;Li,SN
    貢獻者: 環境工程研究所
    關鍵詞: GLOW-DISCHARGE PLASMA;MULTISTAGE CORONA DISCHARGE;SUPPORTED MANGANESE OXIDES;LOW-TEMPERATURE PLASMA;AIR-POLLUTION CONTROL;PRESSURE GAS STREAMS;NONTHERMAL PLASMA;HYBRID SYSTEM;HETEROGENEOUS CATALYSIS;ASSISTED CATALYSIS
    日期: 2009
    上傳時間: 2010-06-29 18:20:56 (UTC+8)
    出版者: 中央大學
    摘要: This paper provides a comprehensive review regarding the application of plasma catalysis, the integration of nonthermal plasma and catalysis, on VOC removal. This novel technique combines the advantages of fast ignition/response from nonthermal plasma and high selectivity from catalysis. It has been successfully demonstrated that plasma catalysis could serve as an effective solution to the major bottlenecks encountered by nonthermal plasma, i.e., the reduction of energy consumption and unwanted/hazardou's byproducts. Instead of working independently, the combination could induce extra performance enhancement mechanisms either in a single-stage or a two-stage configuration, in which the catalyst is located inside and downstream from the nonthermal plasma reactor, respectively. These mechanisms are believed to be responsible for the higher energy efficiency and better CO2 selectivity achieved with plasma catalysis. A comprehensive discussion on the performance enhancement mechanisms is provided in this review paper. Moreover, the current status of the applications of two different plasma catalysis systems on VOC abatement are also given and compared. The catalyst plays an important role in both configurations. Especially for the single-stage type, depositing an inappropriate active component on catalytic support would decrease the VOC removal efficiency instead. To date, no definite conclusion on catalyst selection for the single stage plasma catalysis is available. However, MnO2 seems to be the best catalyst for two-stage configuration because it could effectively decompose ozone and generate active species toward VOC destruction. On the other hand, although the single-stage plasma catalysis has been proved to be superior to the two-stage configuration, it does not mean that the former is always the best choice. Considering the typical VOC concentrations from different sources and the characteristics of different plasma catalysis systems, the single-stage and two-stage configurations are suggested to be more suitable for industrial and indoor air applications, respectively.
    關聯: ENVIRONMENTAL SCIENCE & TECHNOLOGY
    顯示於類別:[環境工程研究所 ] 期刊論文

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