小球藻—芽孢杆菌共生体系处理污水的研究
Journal of Southwest University for Nationalities(Natrual Science Edition)(2021)
Abstract
为提高微藻处理污水的效率,将具有污水处理能力的小球藻,与从垃圾渗滤液中分离的两株芽孢杆菌SL1和SL2,分别构建小球藻-芽孢杆菌的藻菌共生体系:小球藻-芽孢杆菌SL1和小球藻-芽孢杆菌SL2,并将其应用于垃圾渗滤液配制污水的处理.结果显示,小球藻能够适应于所配制的高营养盐污水;芽孢杆菌SL2可以促进小球藻生长;无菌的小球藻对TN、NH4+-N、TP和CODCr的去除效率分别为45.7%,45.0%,37.9%和76.7%;而小球藻-芽孢杆菌SL1对TN、NH4+-N和TP的去除效率分别为92.0%,92.0%和81.3%;小球藻-芽孢杆菌SL2对TN,NH4+-N,TP和CODCr的去除效率为76.0%,72.0%,85.3%和94.3%.结果暗示,小球藻-芽孢杆菌共生体系比单纯微藻能更好去除垃圾渗滤液所配制的污水中氮、磷和CODCr,芽孢杆菌SL2可以促进小球藻的生长,在污水处理行业具有一定的应用潜力.
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