Phosphorus recovery from wast water by MAP, which can reduce environmental pollution and recycle the lacking phosphorous resource as well, has become the frontier and hot issue in the field of environmental protection.The paper summarized heavy metal concentration, transformation in MAP recycling process, and chemical equilibrium model, and explored future research directions.%以磷酸铵镁回收废水中的磷作为优质缓释肥,既可减少环境污染,又可回收日益匮乏的磷资源,已成为当前国际环境领域的前沿与热点问题.综述了MAP结晶过程中重金属的浓度变化、重金属的迁移特性以及MAP 化学平衡模型模拟等,并展望了今后的研究方向.
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