| 摘要 |
A method of treating an effluent such as acid mine drainage wherein the pH of the effluent is increased by dissolving metallic ions e.g. of zinc into the effluent, and the metallic ions are allowed to react with contaminants, such as sulphates or phosphates in the effluent, to form a metal-contaminant complex which is then precipitated from the effluent.
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