yufeiyezhongjiaruxiaohuashihuiru，zhifeiyechongfenchengjianxingweizhi，bingjiayichongfenjiaoban
，fangzhiyiyehoujinxingguolv。lvyezuohanjianfeiyechuli。cifabunengbafuhanliangjiangdao8ppm以下。要進一步降低氟的濃度時，需用陰離子交換樹脂進行處理。