发明公开一种不加药浮选处理含油废水的方法，将待处理的含油废水加压，同时注入压缩气体，不加药剂，通过混匀装置使气液充分混匀，并进行延时保压后，再进入浮选机减压释放分离，处理后的水含油率<30mg/l，与现用的加药浮选相比，油渣含量可减少90%左右，且不含药剂，便于回收利用，不仅节约了废水处理成本，还解决了含药油渣对环境造成的二次污染。
在本研究中，以经过浮选处理的方铅矿精矿为原料，采用湿法直接制备铅酸电池用材料硫酸铅。
The production cost of PbSO_4 with lead oxide is expensive. It is researched to obtaining directly PbSO_4 used as lead-acid batteries by processing the flotation-galena concentrate.
电解浮选试验表明：经过电气浮处理，含油污水的含油量、细菌总数去除率分别达到75%、95%以上。
The test indicated that treating with electrolysis floatation , the removal efficiency of oil, total bacterial plate counts obtained are above 75%, 95%, respectively.
为此，进行了浮选泡沫图像处理应用的研究。
Therefore, application of the floatation froth image processing was studied.
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