利用啤酒废水培养极大螺旋藻

Yuzhou Wang,Lei Yang,Jinglai Zhang, Renjie Su,Long Chen, Jingchao Wang

Environmental Protection of Chemical Industry(2014)

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Abstract
利用啤酒废水培养极大螺旋藻(Spirulina maxima).研究了初始COD、DO、氮磷元素等培养条件对藻生物量(每mL培养液中极大螺旋藻的质量,以干重计)及废水水质的影响.实验结果表明:将废水稀释至COD=700 mg/L,控制DO=2.5 mg/L,并添加氮磷元素使废水的碳氮磷质量比为225∶15∶1,培养3d,极大螺旋藻的藻生物量可达175.55 mg/L,即每吨啤酒废水可生产极大螺旋藻175.55 g;废水中COD,TN,NH3-N,NO3-,TP的去除率分别达到85.43%,94.54%,74.66%,94.53%,61.54%.利用啤酒废水培养螺旋藻在收获极大螺旋藻生物质的同时,还能对废水起到一定程度的净化作用.
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