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首页> 外文期刊>Journal of Environmental Science and Health. A, Toxic/Hazardous Substances & Environmental Engineering >Adsorbable Organic Halogens (AOXs) in Solid Residues from Hazardous and Clinical Waste Incineration
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Adsorbable Organic Halogens (AOXs) in Solid Residues from Hazardous and Clinical Waste Incineration

机译：危险废物和临床废物焚化产生的固体残留物中的可吸收有机卤素（AOX）

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摘要

Trace concentrations of a variety of chemicals remain in solid residues following combustion even in properly designed and operated incinerators. In the present study, the adsorbable organic halogen (AOX) levels of the solid residues, i.e., bottom ash, fly ash, and filter cake, were investigated during a 82-day of continuous operation of a Hazardous and Clinical Waste Incinerator. The distribution of halogens in the waste input prior to the incineration was also determined. The AOX levels measured in bottom ash, fly ash and filter cake were in the range of 0.014-1.879, 0.012-0.263, and 0.004-0.062 mg-Cl~-/kg, respectively. The AOX levels are significantly low in the fly ash and filter cake due to the post-combustion process in the incinerator. At the end of the 82 days, the total AOX output in the bottom ash, fly ash, and filter cake were 571, 3.71, and 6.26 g, respectively. The partitioning of the total AOX in solid residues was 98.28, 0.64, and 1.08% for the bottom ash, fly ash and filter cake, respectively. This shows that the bottom ash is more contaminated with AOX than the other two residues.
机译：即使在设计和运行合理的焚化炉中，燃烧后固体残留物中也会残留多种痕量的化学物质。在本研究中，在危险和临床废物焚化炉连续运行82天期间，研究了固体残渣（即底灰，粉煤灰和滤饼）的可吸收有机卤素（AOX）水平。还确定了焚烧之前废物输入中卤素的分布。在底灰，粉煤灰和滤饼中测得的AOX水平分别为0.014-1.879、0.012-0.263和0.004-0.062 mg-Cl〜-/ kg。由于焚烧炉中的后燃烧过程，粉煤灰和滤饼中的AOX含量非常低。在第82天结束时，底灰，飞灰和滤饼中的AOX总量分别为571、3.71和6.26 g。底部残渣，粉煤灰和滤饼中固体残渣中总AOX的分配分别为98.28、0.64和1.08％。这表明底灰比其他两个残渣更易被AOX污染。

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