首页> 外文期刊>Science of the total environment >Comments on 'Reductive dechlorination of organochlorine pesticides in soils from an abandoned manufacturing facility by zero-valent iron' by Cong et al.[Sci. Tot. Environ. (2010) doi:10.1016/j.scitotenv.2010.04.035.]
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Comments on 'Reductive dechlorination of organochlorine pesticides in soils from an abandoned manufacturing facility by zero-valent iron' by Cong et al.[Sci. Tot. Environ. (2010) doi:10.1016/j.scitotenv.2010.04.035.]

机译:Cong等人[Sci。Chem。,2006,9,3,4,8,9,8,9,9,9,8,9,9,9,9,9,9,9,9,9,9,9,9,9,9,11,13,13,13,13,13,13,13,66,Cong等人的评论]。小孩环境。 (2010)doi:10.1016 / j.scitotenv.2010.04.035。]

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摘要

Recently, Cong et al. (2010) published a comprehensive study on the characterization of reductive properties of hexachlorocyclohex-anes (HCHs) and dichlorodiphenyltrichloroethane (DDTs) using powdered metallic iron (Fe~0). Quantum chemical descriptors characterizing different molecular structures and physicochemical properties of the seven tested organochlorine pesticides (4 HCHs and 3 DDTs) were computed to discuss the major influential factors over their reductive dechlorination rates. A model was reported to be established, which correlates the reductive dechlorination properties of pollutants with their structural descriptors. As major result, the reductive dechlorination rate of tested organochlorine pesticides appears to be mainly limited by the rate of dissolution in the aqueous phase. It is evident that this conclusion is not specific to reduction by Fe° but rather a simple solubility issue.
机译:最近,Cong等。 (2010年)发表了关于使用粉末状金属铁(Fe〜0)还原六氯环己烷(HCHs)和二氯二苯基三氯乙烷(DDTs)的特性的综合研究。计算了表征7种测试有机氯农药(4种六氯环己烷和3种滴滴涕)的不同分子结构和理化性质的量子化学描述符,以讨论影响其还原脱氯速率的主要因素。据报道,建立了一个模型,该模型将污染物的还原性脱氯特性与其结构特征联系起来。作为主要结果,受试有机氯农药的还原性脱氯速率似乎主要受水相中溶解速率的限制。显然,该结论并非特定于Fe°的还原,而是一个简单的溶解度问题。

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  • 来源
    《Science of the total environment》 |2010年第20期|p.4916-4917|共2页
  • 作者

    C. Noubactep;

  • 作者单位

    Angewandce Geologic Universitoet Coettingen, Goldschmidtstrasse 3,D- 37077 Goettingen,Germany;

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  • 入库时间 2022-08-17 13:56:24

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