海水养殖废水沉积物中硝化细菌的分离及修复无机氮污染的研究

Environmental Pollution and Control(2017)

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Abstract
针对海水养殖废水中的无机氮污染,从某石斑鱼养殖池底沉积物中筛选出5株硝化细菌(5~9号),并利用该菌进行去除养殖废水中无机氮的实验.结果表明,5株硝化细菌对养殖废水中氨氮、总氮、硝酸盐氮和亚硝酸盐氮均具有去除作用,对硝酸盐氮的去除存在相对延滞.其中,7号菌株去除效果最好,6 h时对氨氮、总氮、亚硝酸盐氮的去除率分别为48%、17%和13%;36 h对硝酸盐氮的去除率达18%.
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