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Are electrochemical fences effective in the retention of pollution?
Separation and Purification Technology ( IF 8.6 ) Pub Date : 2018-02-21 , DOI: 10.1016/j.seppur.2018.02.040
S. Rodrigo , C. Sáez , V. Navarro , P. Cañizares , M.A. Rodrigo

In this work, a three-month test is used to evaluate the role of electrokinetic fences in the prevention of the diffusion of herbicide in case of accidental spills of large amounts of highly concentrated products in clay soil. To do this, a mock-up (0.95 × 2.00 × 0.50 m3) is used and an electrokinetic fence is placed far away from the hydraulic plume in order to mitigate the effect of the diffuse pollution caused by the spill of an important amount of 2,4-dichlorofenoxiacetic acid (2,4-D) and oxyfluorfen. The results confirm that diffusion of pollutants is important and that the presence of an electrokinetic fence can contain micellar pollutants and help to minimize the trespassing of soluble pollutants, although they cannot fully prevent this trespass. The results obtained in this work are compared to those obtained in previous works, in which fence technology with surrounding electrode placement was evaluated and important differences were pointed out; this has generated valuable data for the design of this technology.



中文翻译:

电化学围栏对保持污染是否有效?

在这项工作中,使用三个月的测试来评估电动围栏在大量高浓度产品意外溢出到粘土中时在防止除草剂扩散中的作用。为此,要建立一个模型(0.95×2.00×0.50 m 3使用),并在远离液压羽流的地方设置电动围栏,以减轻因大量2,4-二氯苯氧乙酸(2,4-D)和氧氟芬的溢出而造成的扩散污染的影响。结果证实,污染物的扩散很重要,并且电动围栏的存在可以包含胶束污染物,并有助于最大程度地减少可溶性污染物的侵入,尽管它们不能完全防止这种侵入。将这项工作中获得的结果与以前的工作进行了比较,在先前的工作中,对围栅技术及其周围电极的放置进行了评估,并指出了重要的差异。这为该技术的设计产生了有价值的数据。

更新日期:2018-02-21
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