Using magnesium salt as a precipitant in the treatment of wastewater containing phosphate and ammonium can remove both of them resulting in the formation of magnesium ammonium phosphate.

• 摘要利用镁盐和废水中的氮、磷生成白色的磷酸铵镁沉淀，可以实现废水中氮磷的脱除。