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首页> 外文期刊>Waste Management >Evaluating the physicochemical properties of refuse with a short-term landfill age and odorous pollutants emission during landfill mining: A case study
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Evaluating the physicochemical properties of refuse with a short-term landfill age and odorous pollutants emission during landfill mining: A case study

机译：评估垃圾填埋场垃圾填埋场时代和垃圾填埋场污染物排放的垃圾的物理化学特性：案例研究

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摘要

A field excavation of refuse with a short-term landfill age from the Qingdao Xiaojianxi municipal solid waste (MSW) landfill was conducted. The physical composition and chemical properties of refuse with landfill ages of 1-4 years were studied, and the emission characteristics of odorous pollutants during the excavation period were monitored. The refuse aged 1-2 years has a higher proportion of combustible material than that the refuse aged 3-4 years, and the volatile content and calorific value in refuse aged 1-2 years were also higher than those in refuse aged 3-4 years, indicating that the refuse with a short-term landfill age was more suitable for incineration than refuse with a long-term landfill age. The pH and available phosphorus (AP) gradually increased with increasing landfill age, while the total Kjeldahl nitrogen (TKN) and organic matter (OM) decreased. The contents of the heavy metals Cu, Zn, Ni, Pb and As generally decreased with landfill age, especially in refuse aged 2-4 years, whereas the Cr content showed no significant differences in refuse aged 1-4 years. The main odorous pollutants emitted during the excavation and screening periods were ammonia (NH_3) and carbon disulfide (CS_2), and the odor intensity of excavated refuse aged 1-3 years was higher than that of refuse aged 4 years. Under the condition of a small excavation area and continuous deodorization, the pollution intensity can meet the discharge standards of the factory boundary.
机译：采用青岛小编溪市固体废物（MSW）垃圾填埋场的短期垃圾填埋场垃圾的田野开挖。研究了垃圾填埋场1-4岁的垃圾的物理成分和化学性质，并监测了在挖掘期间出血污染物的排放特性。 1-2岁的垃圾具有比3-4岁的垃圾更高的可燃材料比例，而1-2岁的垃圾中的挥发性含量和热值也高于3-4岁的垃圾，表明，短期垃圾填埋场的垃圾更适合焚烧而不是长期垃圾填埋场。随着垃圾填埋场的增加，pH和可用磷（AP）逐渐增加，而总KJELDAHL氮（TKN）和有机物（OM）降低。重金属Cu，Zn，Ni，Pb的含量与垃圾填埋场（垃圾填埋场）和通常在2-4岁的垃圾中减少，而Cr含量显示1-4岁的拒绝没有显着差异。在挖掘和筛选期间发出的主要气味污染物是氨（NH_3）和二硫化碳（CS_2），1-3岁的挖掘垃圾的气味强度高于4岁的垃圾。在小型挖掘面积和连续除臭的情况下，污染强度可以满足工厂边界的排放标准。

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  • 来源
    《Waste Management》 |2021年第2期|77-86|共10页
  • 作者

    Ya-nan Wang; Rong Xu; Yan Kai; Huawei Wang; Yingjie Sun; Meili Zhan; Bohai Gong;

  • 作者单位

    Engineering Research Center of Municipal Solid Waste Pollution Control and Recycling Qingdao University of Technology College of Environmental and Municipal Engineering Qingdao 266033 PR China;

    Engineering Research Center of Municipal Solid Waste Pollution Control and Recycling Qingdao University of Technology College of Environmental and Municipal Engineering Qingdao 266033 PR China;

    Engineering Research Center of Municipal Solid Waste Pollution Control and Recycling Qingdao University of Technology College of Environmental and Municipal Engineering Qingdao 266033 PR China;

    Engineering Research Center of Municipal Solid Waste Pollution Control and Recycling Qingdao University of Technology College of Environmental and Municipal Engineering Qingdao 266033 PR China;

    Engineering Research Center of Municipal Solid Waste Pollution Control and Recycling Qingdao University of Technology College of Environmental and Municipal Engineering Qingdao 266033 PR China;

    Qingdao MSW Management & Treatment Co. Ltd. Qingdao 266041 PR China;

    Qingdao Municipal Public Science and Technology Research Institute 266003 PR China;

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  • 正文语种 eng
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  • 关键词

    Landfill mining; Short-term landfill age refuse; Physicochemical property; Odorous pollutant;

    机译：垃圾填埋场;短期垃圾填埋场年龄垃圾;物理化学财产;有气味的污染物;

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