ammonium ion
Ammonia can be removed from wastewater by forming magnesium - ammonium - phosphate ( MAP ) precipitate with magnesium salt phosphate.
铵根离子可以和镁盐、 磷酸根 在适当的条件下生成磷酸铵镁沉淀,利用这一反应可以去除水中的氨氮。