SYBILLA Consulting Engineers Ltd, 16 Ypsilantou Str., Maroussi, 15122 Athens, Greece.
School of Mining and Metallurgical Engineering, National Technical University of Athens, Zografou Campus, 15780 Athens, Greece.
J Hazard Mater. 2015 Jan 8;281:20-26. doi: 10.1016/j.jhazmat.2014.07.040. Epub 2014 Jul 29.
The objective of this work was to investigate whether previous disposal practices in four metal finishing facilities, located at Asopos river basin (East-Central Greece), have caused any potential serious contamination of soils. The study focused mainly on Cr and Ni, which are the primary elements of concern in the area. To estimate the natural geochemical levels of Cr and Ni, thirty soil samples were collected from locations that were not suspected of any contamination. In this group of samples, Cr concentration varied between 60 and 418 mg/kg, and Ni concentrations varied from 91 to 1200 mg/kg. The second group of samples consisted of more than 100 drill cores and surface soil samples, potentially affected by the disposal of effluents and/or the drainage of runoff water from the industrial facilities. According to the findings of the study, the disposal of treated effluents in absorption type sinks resulted occasionally in the contamination of a thin layer of soil just at the bottom of the sinks, but there was no indication of downward migration, since Cr and Ni concentrations in the lower soil layers were similar to those of the reference soils.
本工作的目的是研究位于希腊中东部的阿索波斯河流域的四个金属加工设施以前的处理方法是否造成土壤的潜在严重污染。研究主要集中在 Cr 和 Ni 上，这是该地区主要关注的元素。为了估计 Cr 和 Ni 的自然地球化学水平，从没有受到污染嫌疑的地点采集了 30 个土壤样本。在这组样本中，Cr 浓度在 60 至 418 mg/kg 之间变化，Ni 浓度在 91 至 1200 mg/kg 之间变化。第二组样本由 100 多个钻孔岩芯和表层土壤样本组成，这些样本可能受到废水处理和/或工业设施径流水的排放影响。研究结果表明，在吸收式沉淀池处理废水偶尔会导致沉淀池底部的土壤受到污染，但没有向下迁移的迹象，因为下层土壤中的 Cr 和 Ni 浓度与参考土壤相似。
