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首页> 外文期刊>Environmental toxicology and chemistry >ASSESSMENT OF AQUATIC WASTEWATER POLLUTION IN A HIGHLY INDUSTRIALIZED ZONE WITH SEDIMENT LINEAR ALKYLBENZENES
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ASSESSMENT OF AQUATIC WASTEWATER POLLUTION IN A HIGHLY INDUSTRIALIZED ZONE WITH SEDIMENT LINEAR ALKYLBENZENES

机译：含沉积物线性烷基苯的高度工业化区域中水污染的评估

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摘要

Forty-five sediment samples collected from Dongjiang River, which drains one of the most industrialized and urbanized regions in South China, were analyzed for 19 linear alkylbenzene (LAB) components. The sample dry weight-based concentrations of total LABs (∑LAB) ranged from 1.5 to 410ng/g. Comparison of the relative abundances of n-dodecylbenzenes (orC_(12)-LABs) and internal to external ratio (I/E) values in riverine sediment, wastewater, and sediment samples from the outfalls of paper mills, as well as three brands of domestic detergents obtained from the present and previous studies, implicated the occurrence of untreated wastewater in the sampling sites. Levels of ∑LAB were significantly linear correlated with those of total organic carbon (TOC) but not with those of polycyclic aromatic hydrocarbons. Multiple linear regression integrated principal component analysis indicated that 56% of LABs in wastewater in the study area were treated, but the extent of degradation of LABs was low. Finally, it is proposed that ineffective law enforcement and loopholes in the current regulations for wastewater discharge account for the substantial amount (44%) of untreated wastewater discharged in the study region.
机译：分析了从华南地区工业化和城市化程度最高的地区之一的东江中收集的45个沉积物样品中的19种直链烷基苯（LAB）成分。基于总干物质（∑LAB）的样品干重浓度范围为1.5至410ng / g。造纸厂以及三个品牌的河口沉积物，废水和沉积物样品中正十二烷基苯（orC_（12）-LABs）的相对丰度和内外比（I / E）值的比较从当前和以前的研究中获得的家用清洁剂，暗示了采样点中未经处理废水的发生。 ΣLAB的水平与总有机碳（TOC）的水平呈显着线性相关，而与多环芳烃的水平则不相关。多元线性回归综合主成分分析表明，研究区废水中LABs的处理率为56％，但其降解程度较低。最后，建议研究区域现行的废水排放法规中执法不力和漏洞占未处理废水的很大一部分（44％）。

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  • 来源
    《Environmental toxicology and chemistry》 |2012年第4期|p.724-730|共7页
  • 作者

    Kai Zhang; Ji-Zhong Wang; Bo Liang; Ru-Lang SHEN; Eddy Y. Zeng;

  • 作者单位

    State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China,Graduate School, Chinese Academy of Sciences, Beijing, China;

    State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China;

    State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China,Graduate School, Chinese Academy of Sciences, Beijing, China;

    State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China;

    State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    linear alkylbenzenes; river sediment; wastewater discharge; degradation; dongjiang river;

    机译：直链烷基苯;河流沉积物废水排放;降解;东江;

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