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Environmental application of an industrial waste as catalyst for the electro-Fenton-like treatment of organic pollutants

机译：工业废料作为催化剂用于类电子芬顿处理有机污染物的环境应用

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The application of acid mine drainage sludge (AMDS), an industrial waste with high metal content, as catalyst for the electro-Fenton-like technology on the treatment of organic polluted effluents has been investigated. The study has demonstrated the potential use of this waste using dye Lissamine Green B as a model contaminant, which allowed the optimization of sludge dosage and pH. AMDS proved to perform a high decoloration rate at pH 2, however, acidic conditions favored metal leaching. Alginate gel beads were selected to immobilize AMDS and to avoid metal release and the wash out of the reactor operating in continuous mode. This developed catalyst showed high reliability and efficiency in successive batches. The efficacy of the established treatment was also verified on the degradation of pesticide pirimicarb and a degradation pathway was determined by LC-MS studies.
机译：研究了酸性矿山排水污泥（AMDS）（一种金属含量高的工业废料）作为类似电子芬顿技术的催化剂在处理有机污染废水中的应用。这项研究表明，使用染料Lissamine Green B作为模型污染物可以潜在地利用这种废物，从而可以优化污泥的用量和pH值。事实证明，AMDS在pH 2时具有很高的脱色率，但是酸性条件有利于金属浸出。选择藻酸盐凝胶珠粒以固定AMDS并避免金属释放和以连续模式操作的反应器冲洗。这种开发的催化剂在连续批次中显示出高可靠性和效率。还证实了所建立的治疗方法对农药吡虫威的降解，并通过LC-MS研究确定了降解途径。

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