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首页> 外文期刊>The Science of the Total Environment >The influence of spent household batteries to the organic fraction of municipal solid wastes during composting
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The influence of spent household batteries to the organic fraction of municipal solid wastes during composting

机译：堆肥过程中家用废电池对城市固体废物中有机物的影响

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摘要

The objective of this work was to investigate the potential transfer of 9 heavy metals from spent household batteries (zinc-carbon and alkaline-manganese batteries) to the organic fraction of municipal solid wastes during active composting. Six runs were performed including one control and 2 replications. Eleven types of alkaline and non-alkaline batteries were added at 3 different levels to the organic fraction of municipal solid wastes, namely at percentages equal to 0.98% w/w (low), 5.2% w/w (medium) and 10.6% w/w (high). Experiments were performed in 2301 insulated plastic aerobic bioreactors under a dynamic air flow regime for up to 60 days. Iron, copper and nickel masses contained in the organic fraction of the wastes were found significantly higher in the high level runs compared to the corresponding masses in the control. No metal transfer was obtained in the low and medium level runs. Metal mass balance closures ranged from 51% to 176%. Metals' concentrations in the leachates were below 10 mg l~(-1) for most metals, except iron, while an increasing concentration trend versus time was measured in the leachates of the high level runs. In all cases, the contents of 5 regulated heavy metals in all end products were below the Hellenic limits.
机译：这项工作的目的是调查在主动堆肥过程中9种重金属从家用废电池（锌碳和碱锰电池）中转移到城市固体废物的有机部分中的潜在可能性。进行了六次运行，包括一个对照和2个重复。将三种类型的11种碱性和非碱性电池添加到城市固体废物的有机部分中，即百分比分别为0.98％w / w（低），5.2％w / w（中）和10.6％w / w（高）。实验在2301绝缘的塑料好氧生物反应器中进行，动态空气流长达60天。与对照中的相应质量相比，在高水平运行中发现废物有机部分中所含的铁，铜和镍质量明显更高。在中低水平运行中未获得金属转移。金属质量平衡的关闭范围为51％至176％。对于大多数金属（铁除外），渗滤液中金属的浓度均低于10 mg l〜（-1），而在高水平运行的渗滤液中，浓度随时间的增加趋势则有所增加。在所有情况下，所有最终产品中5种受管制重金属的含量均低于希腊限值。

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  • 来源
    《The Science of the Total Environment》 |2011年第13期|p.2555-2566|共12页
  • 作者

    Dimitrios Komilis; Dimitra Bandi; Georgios Kakaronis; Georgios Zouppouris;

  • 作者单位

    Laboratory of Solid and Hazardous Waste Management, Dept. of Environmental Engineering, Democritus University of Thrace, GR-671 00, Xanthi, Greece;

    Laboratory of Solid and Hazardous Waste Management, Dept. of Environmental Engineering, Democritus University of Thrace, GR-671 00, Xanthi, Greece;

    Laboratory of Solid and Hazardous Waste Management, Dept. of Environmental Engineering, Democritus University of Thrace, GR-671 00, Xanthi, Greece;

    Laboratory of Solid and Hazardous Waste Management, Dept. of Environmental Engineering, Democritus University of Thrace, GR-671 00, Xanthi, Greece;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    municipal solid wastes; composting; household batteries; heavy metals;

    机译：城市固体废物;堆肥家用电池;重金属;

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