The removal effect were 11%?22% and 27%.The removal effect of TN and NH 4+-N by the alkali remodeled vermiculite was better than that by the acid remodeled vermiculite.

• 实验结果表明:酸改性膨胀蛭石对三项指标都有较好的去除效果,对总氮、总磷和NH+4-N的去除率分别为11%25、22%25和27%25;