钝顶螺旋藻对淡水养殖废水中氨氮去除率分析研究

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研究了利用钝顶螺旋藻来处理淡水养殖废水中的氨氮,通过温度、PH、光照强度、氨氮初始浓度四影响因子对氨氮去除率的影响研究.结果表明:温度以控制在25-38℃之间为宜,其最高氨氮去除率可达92%:最适PH值在9.0~10.5之间,最高氨氮去除率可达90%;光照强度选在4000-100001x,最高氨氮去除率达91%;氨氮初始浓度以控制在50 mg/L内,10 mg/L以内的氨氮浓度6d可以去除93%,实验数据显示钝项螺旋藻适宜处理低浓度氨氮的养殖废水,浓度越低氨氮去除率越高.
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