Emission of Particulate Matter 2.5 (PM2.5) from Sewage Sludge Incinerators in Japan

Emission of Particulate Matter 2.5 (PM2.5) from Sewage Sludge Incinerators in Japan
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日本污水污泥焚烧炉的颗粒物 2.5 (PM2.5) 排放

DOI:
10.1080/07373937.2015.1026977
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发表时间:
2015
期刊:
影响因子:
3.3
通讯作者:
Kazuyuki Oshita
Kazuyuki Oshita
中科院分区:
工程技术3区
文献类型:
--
作者:
Kenji Shiota;Masaki Takaoka;Shuji Yamaguchi;Kazuyuki Oshita

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由于直径2.5µm的细颗粒物≤(PM2.5)会导致健康问题,PM2.5的排放令人担忧。然而,对固定源的研究很少。为了确定PM2.5的浓度和过滤行为,利用串级冲击器收集了5个沸腾床污泥焚烧炉(SSI)的粉尘,这些SSI按颗粒大小进行分类。PM2.5平均浓度为0.00014~4.8万mg/Nm~3。日本所有工厂的SSI排放的PM2.5总量估计为9.6亿至8.9亿吨/年。由于装有干式电除尘器(EP)的SSI的排放量占总排放量的75%-99%,因此用袋式除尘器取代干式静电除尘器将显著减少SSI的PM2.5排放。
Because fine particulate matter ≤2.5 µm in diameter (PM2.5) causes health problems, PM2.5 emissions are of concern. However, little research on stationary sources has been conducted. To determine the concentration and filtration behavior of PM2.5, dust was collected from five fluid-bed sewage sludge incinerators (SSIs) sorted by particle size using cascade impactors. The average PM2.5 concentration was 0.00014–4.8 mg/Nm3. The total estimated amount of PM2.5 emissions from the SSIs for all plants in Japan was 0.96–8.9 tons/year. Since the SSIs with dry Electrostatic Precipitators (EP) contributed 75–99% of the total emissions, replacing dry EPs with bag filters would significantly reduce the PM2.5 emissions from SSI.
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发表时间: 2007-05
影响因子: 5
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