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动电的铜Removalmfrom高岭石土壤在一个恒定的电流使用活性炭过滤器媒体及其再生

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文摘:铜污染是一个常见的问题在许多工业和矿业网站,需要修复。我们进行了动电的实验在一个恒定的电流20 mA研究其从土壤标准高岭石去除使用活性炭过滤器媒体(AC RFM)。AC亲和吸附铜促进污染物去除。然后,铜的解吸很容易通过闪烁的交流滤波器pH值较低的媒体解决方案,而交流是重用。高岭石土壤上升2.5 g / L的硫酸铜给1 g / L土壤中铜浓度。1公斤的受污染的土壤在动电的电池包装,25 g的颗粒活性炭(GAC)过滤媒体添加在阴极电极附近。动电的实验进行了7天,土壤分为5等部分的实验。土壤中铜浓度由光谱仪测量分析仪。结果显示,铜去除部分1到4的-68.78% 90.74%。土壤中的铜移除负面第五节靠近阴极由于高土壤pH值的部分。 However, a significant amount of copper, approximately 45%, was captured by AC during the EK-AC treatment, resulting less copper precipitation in the soil section near the cathode. Therefore, AC RFM could significantly enhance copper removal in the EK experiment under a constant electric current. The AC RFM was removed from the electrokinetic cell and packed in a filtration column for treatment and reuse. Nitric acid solution was passed through the AC column, achieving more than 82.1% copper removal. The AC was flushed with deionized water to neutralize the pH to normal conditions before reuse. The experimental work showed the feasibility of contaminant entrapment in the AC filter media under a constant electric current without adding chemicals and easily recovery by acid leaching due to AC’s high permeability. This will facilitate the process of contaminant removal from soil at the end of the electrokinetic remediation process that is usually accumulates near the cathode zone. Note : This work is presenting at 9 th Ineternational Summit on Global Warming and Environmetal Science ( Global Warming-2020 Webinar ) on Aug 10-11, 2020. Biography Romina Ghobadi, She is a final-year PhD student working on soil decontamination at the University of Technology Sydney, School of Civil & Environmental Engineering. She received a master’s degree in Engineering from University of Adelaide in Adelaide, Australia and her bachelor was in mining engineering. She had experiences include environmental engineering, soil remediation, soil analysis, metals extraction and analysis, ground water modelling, statistics and stochastics simulation.

大猩猩Ghobadi

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