Results show that Ulva P.K.Can uptake ammonia,nitrite,nitrate and phosphorus simultaneously.Ammonia removal is efficient,but the changes of COD is minimal.

• 结果表明，孔石莼能同时吸收水中的三氮和磷酸盐，尤其对氨氮有极强的吸收作用，但对有机物的去除不明显。