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Water in the coal mining industry holds qualities of both groundwater and surface water, along with the character of sewage and wastewater. As of now, conventional water treatment technology can fulfil varying water quality needs, though it often comes at ..

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Oilfield sewage is notoriously difficult to treat due to its high oil content and viscous physical state. What's more, the presence of silica and other materials further increase the wastewater's hardness. After production, the sewage can start to accumulate, resu..

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