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首页> 外文期刊>Separation and Purification Technology >Simultaneous removal of odors, airborne particles, and bioaerosols in a municipal composting facility by dielectric barrier discharge
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Simultaneous removal of odors, airborne particles, and bioaerosols in a municipal composting facility by dielectric barrier discharge

机译：通过电介质阻挡层放电同时去除市政堆肥设施中的气味，空气中的微粒和生物气溶胶

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摘要

The process of waste decomposition releases odors, airborne particles, and bioaerosols; therefore, air quality control at composting facilities is very important to the health of workers and the effective operation of such facilities. Because dielectric barrier discharge (DBD) produces chemical species, it has been used to remove undesired species interesting for environmental applications. In this study, a DBD reactor was applied to a composting facility to simultaneously remove odors, airborne particles and bioaerosols. The power consumption required was below 18.9 W when the flow volume of the pollutant gas was 0.2 L and the concentrations of ammonia, amines, airborne particles, and bioaerosols were 150 (or 75)ppm, 140 ppm, 2.1 x 10~8 particles/m~3, and 1.1 x 10~4CFU/m~3, respectively. The removal efficiency of contaminants in the air increased as the specific energy densities (SED) increased, with removal efficiencies of up to 80% and 76% being achieved for ammonia and amines. Moreover, the removal efficiency of the overall airborne particles was 75% when 113 J/L of SED was employed, while the bioaerosols removal efficiency was 89% when 38J/L of SED used.
机译：废物分解过程释放出气味，空气中的颗粒和生物气溶胶;因此，堆肥设施的空气质量控制对工人的健康和此类设施的有效运行非常重要。由于介电势垒放电（DBD）会产生化学物质，因此已使用它去除环境应用中感兴趣的有害物质。在这项研究中，将DBD反应器应用于堆肥设施，以同时去除异味，空气中的颗粒和生物气溶胶。当污染物气体的流量为0.2 L并且氨，胺，空气中的颗粒和生物气溶胶的浓度为150（或75）ppm，140 ppm，2.1 x 10〜8个颗粒/时，所需的功耗低于18.9W。 m〜3和1.1 x 10〜4CFU / m〜3。空气中污染物的去除效率随比能量密度（SED）的增加而增加，其中氨和胺的去除效率分别高达80％和76％。此外，当使用113 J / L的SED时，总体气载颗粒的去除率为75％，而当使用38 J / L的SED时，生物气溶胶的去除率为89％。

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