PDF(Pubmed)
Abstract：
Contamination of industry-derived antimony (Sb) is currently of great concern. This study was conducted to identify the source of Sb together with other potential toxic elements (PTEs) in a typical industrial area in China and emphasize the contribution of Sb to ecological risk in the local aquatic environment. By investigating the distribution of nine PTEs in surface water in Wujiang County in dry and wet seasons, this study revealed that textile wastewater was the main source of Sb. The distribution of Sb (0.48~21.4 μg/L) showed the least seasonal variation among the nine elements. Factor analysis revealed that the factor that controlled Sb distribution is unique. In general, Sb was more concentrated in the southeastern part of the study area where there was a large number of textile industries, and was affected by the specific conductivity and total dissolved solids in water (p < 0.01). Sb concentration in 35.71% of samples collected from the drainage outlet exceeded the standard limit of 10 μg/L. Results from three pollution assessment methods suggested that >5% of the sampling sites were slightly too heavily polluted and Sb contributed the most. Therefore, it is necessary to strengthen the administrative supervision of local textile enterprises and elevate the local standard of textile wastewater emission.
摘要：
工业衍生的锑(Sb)的污染目前受到极大关注。进行这项研究是为了确定中国典型工业区中Sb与其他潜在有毒元素（PTE）的来源，并强调Sb对当地水生环境中生态风险的贡献。通过调查吴江县干湿季地表水中9种PTE的分布,这项研究表明，纺织废水是锑的主要来源。在9种元素中，Sb的分布（0.48〜21.4μg/L）的季节变化最小。因子分析表明，控制Sb分布的因素是独特的。总的来说,Sb更集中在研究区域的东南部，那里有大量的纺织工业，并且受到比电导率和水中总溶解固体的影响（p<0.01）。从排水出口收集的35.71％的样品中的Sb浓度超过10μg/L的标准限值。三种污染评估方法的结果表明，>5％的采样点受到轻度污染，而Sb的贡献最大。因此,要加强对地方纺织企业的行政监管，提高地方纺织废水排放标准。
