Acid mine water treatment system
2010
The invention discloses an acid mine water treatment system and belongs to the field of water treatment. The system consists of a neutralization system, a coagulation sedimentation system, a filtration system, a reverse osmosis system and a sterilization system which are connected in turn, wherein the coagulation sedimentation system comprises a mixing region, a reaction region, a transition region and a settling region; the mixing region is communicated with the reaction region, the transition region and the settling region in turn; the water inlet of the mixing region is communicated with the water outlet of the neutralization system; the water outlet of the settling region is communicated with the water inlet of the filtration system; and the filtration system comprises a manganese sand filter in which a modified manganese sand filter material modified by 1 to 7 mass percent potassium permanganate solution is arranged. Four regions are arranged in the coagulation sedimentation system of the system, so coagulation treatment effect is enhanced; and the modified manganese sand filter material is adopted in the manganese sand filter, so the effect of removing ferro-manganese ions in the mine water is enhanced and the aim of treating and recycling the acid mine water with high turbidity, high ferro-manganese content and high mineralization is fulfilled.
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