ABSTRACT

Decomposition of two typical volatile organic compounds (VOCs): toluene and methyl ethyl ketone (MEK), was investigated by introducing the complete energy yield (i.e. amount of VOCs totally converted to CO and CO₂ for every 1 kWh of electrical usage) and specific energy density (SED) for the non-thermal plasma technology. Three dielectric barrier discharge reactors of which SED range was 55 J/L to 283 J/L at a flow rate of 1 L/min were connected in a 3-reactor arranged in series using interconnecting tubes in the inlets and outlets. As a result of the serial reactor design, the energy efficiency of the system improved, and in particular, 7% of increase was found in at the same level of energy consumption. The mixed phase of VOCs (toluene and MEK) showed MEK as a limiting species in this study. As the inlet concentration rose from 20 to 100 ppmv, both energy yield and complete energy yield increased from 0.8 to 9.2 g/kWh and from 0.8 to 2.3 g/kWh, respectively.

摘要

两种典型挥发性有机化合物 (VOC) 的分解：甲苯和甲乙酮 (MEK)，通过引入完全能量产率（即完全转化为 CO 和 CO _{2的 VOC 量）进行研究}每 1 kWh 的用电量）和非热等离子体技术的比能量密度 (SED)。三个介质阻挡放电反应器，其 SED 范围为 55 J/L 至 283 J/L，流速为 1 L/min，连接在一个 3 反应器中，该反应器使用入口和出口中的互连管串联排列。由于采用串联反应器设计，系统的能效得到了提升，尤其是在同等能耗水平下，提高了7%。VOC（甲苯和 MEK）的混合相显示 MEK 是本研究中的限制物质。随着入口浓度从 20 增加到 100 ppmv，能量产量和完全能量产量分别从 0.8 增加到 9.2 g/kWh 和从 0.8 增加到 2.3 g/kWh。