废电池锰氧化物回收改性并用于高浓度含油废水处理的研究
Recovery of manganese oxide from spent batteries for oily wastewater treatment
将废电池中提取的锰氧化物(MO)进行表面活性改性,作为新型破乳剂(TA-MO)用于高浓度含油废水处理,探究 TA-MO浓度、破乳时间以及气浮助剂过氧化氢添加量对其破乳效果的影响。研究表明,将破乳与气浮两者结合,不仅提高了 TA-MO的耐污效果以及再循环性,还增强了其破乳效果。这项技术兼具资源化与环保优势,为废电池资源化与含油废水处理提供了创新解决方案。
Manganese oxide (MO) is extracted from spent batteries,and modified by surfactant to become a novel demulsifier (TA-MO) for treating with high concentration of oily wastewater.The influences of TA-MO concentration,demulsification time and the dosage of air flotation assistant on the demulsification effect are studied.It is found that the combination of demulsification and air flotation improves the antifouling effect and recyclability of TA-MO,and also enhances its demulsification effect.This technology combines the advantages of recycling and environmental protection,which provides an innovative solution for the recycling of spent batteries and the treatment of oily wastewater.
recovery / demulsification / oily wastewater / manganese oxide / spent battery
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