Semi‐industrial remediation of effluents polluted by the artisanal activities through bipolar electrocoagulation with aluminum sacrificial electrodes

Semi‐industrial remediation of effluents polluted by the artisanal activities through bipolar electrocoagulation with aluminum sacrificial electrodes
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通过铝牺牲电极双极电凝对手工活动污染的废水进行半工业化修复

DOI:
10.1111/wej.12581
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发表时间:
2020
影响因子:
2
通讯作者:
Loukanov Alexandre
Loukanov Alexandre
中科院分区:
环境科学与生态学4区
文献类型:
--
作者:
El Allaoui Nouha;Omor Anass;Elmadani Fatima Zahra;Bouayad Kenza;Nakabayashi Seiichiro;Loukanov Alexandre

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采用铝牺牲电极双极电凝聚法同时去除制革废水、生活废水和工业废水中的Cr(VI)、磷、化学需氧量和浊度。实验装置在半工业规模上进行了演示,用于修复非斯市(摩洛哥)排放的废水,该废水具有高度可变的组成和pH值。结果表明,消除水平随着能耗和电极数量的增加而提高。电凝聚过程的最佳条件,以减少污染物在90%以上,确定在5 mA cm-2的电流密度,需要约10至30分钟,在中性pH值。因此,所提出的方法可以被认为是一种有效的方法,在传统的处理工艺活动的废水。
Bipolar electrocoagulation with aluminum sacrificial electrodes was designed to simultaneously remove Cr(VI), phosphorus, chemical oxygen demand and turbidity from both tanning, domestic and industrial wastewater. The experimental setup was demonstrated in a semi‐industrial scale for the remediation of effluents released from Fez city (Morocco), which exhibited highly variable composition and pH. The results showed that the elimination levels are enhancing with increasing of the energy consumption and electrode amount. The optimum conditions of the electrocoagulation process to reduce the pollutants in over 90% were identified at a current density of 5 mA cm–2that takes around 10 to 30 min at neutral pH. Thus, the proposed method could be considered as an effective approach in the conventional treatment of wastewater from artisanal activities.
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