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In order to achieve the goal of reusing the mine water with high manganese, this paper studies the mechanism with surface-modified filtration media in treating the mine water from 9th-colliery of Hebei Coal Group. The experiment results show that: the quality of effluent is stable by manganese sand immersed with 3-5% KMnO4, the single cycle can reach 24 hours with manganese less than 0.1 mg/l, and...
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